Haikuvsstockfish-1700
Halbzuege (66)
1.e4Haiku
1. Observe Halbzug 1, Weiss am Zug. Phase: Eroeffnung. Material gleich. Legale Zuege: 20. Criticality: 0.30.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search6ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search2ms
4. Research research: opening_explorer + web_search both disabled — pure memory-only opening plan.
5. Plan Phase: opening. Establish central control (e4 or d4) and begin rapid piece development to convert first-move advantage into positional pressure and tempo dominance. Occupy center, develop pieces efficiently following ope…
- llm.plan35319ms · $0.0132
full reasoning
Phase: opening. Establish central control (e4 or d4) and begin rapid piece development to convert first-move advantage into positional pressure and tempo dominance. Occupy center, develop pieces efficiently following opening principles (knights before bishops), castle for safety, transition to middlegame with superior coordination. Critical: First-move advantage must translate to concrete tempo gain in development race; Central squares (d4, e4) determine early space control and piece activity; Avoid early queen moves or doubling moves—maintain efficiency against Black's catchup attempts.
6. Candidates Candidates: e4 (Classical center control, opens queen and light-bishop lines immediately. Fastest tempo for piece activation and middlegame pressure.) | d4 (Solid center anchor, maintains tension, flexible development pa…
- chess.js.legal_moves0ms
- llm.candidates17255ms · $0.0054
full reasoning
Candidates: e4 (Classical center control, opens queen and light-bishop lines immediately. Fastest tempo for piece activation and middlegame pressure.) | d4 (Solid center anchor, maintains tension, flexible development path. Sustains first-move advantage through strategic depth.) | Nf3 (Develops piece with tempo, controls e5 and d4, maximum flexibility. Preserves options while gaining development tempo.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: e4 — Opens queen and bishop lines immediately. Maximizes tempo, forces Black to respond. Fastest piece activation converts first-move advantage to concrete advantage.. Rejected: d2d4, g1f3.
- llm.reflect18413ms · $0.0055
9. Commit Commit e4 (e2e4).
2...e6stockfish-1700
- 1. Observe— missing —
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- 3. Recall Opponent— missing —
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- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: e7e6
- stockfish_uci1024ms
3.d4Haiku
1. Observe Halbzug 3, Weiss am Zug. Phase: Eroeffnung. Material gleich. Legale Zuege: 30. Criticality: 0.30.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search10ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search8ms
4. Research research: opening_explorer + web_search both disabled — pure memory-only opening plan.
5. Plan Phase: opening. Develop Nf3, maintain e4 control. Respond to Black's likely c5, d5, or Nf6 with Nc3, preparing d4 expansion or flexible center management. Build piece coordination over next 3-5 moves. Convert first-move …
- llm.plan29233ms · $0.0130
full reasoning
Phase: opening. Develop Nf3, maintain e4 control. Respond to Black's likely c5, d5, or Nf6 with Nc3, preparing d4 expansion or flexible center management. Build piece coordination over next 3-5 moves. Convert first-move advantage and e4 centralization into lasting spatial and coordinational superiority, achieving dominant middlegame setup with superior piece activity. Critical: e4 pawn is anchor but targetable by Black's c5 or d5; Black's e6 is flexible (French Defense) so expect Nf6, d5, or c5 pressure soon; must develop knights (Nf3, Nc3) rapidly to preserve tempo edge; no immediate tactics but pieces will soon jostle for key squares (d4, d5, c5).
6. Candidates Candidates: Nf3 (Develops knight, maintains e4 control, prepares central expansion and future tactics.) | d4 (Establishes strong pawn center, forces Black decision in French Defense, spatial advantage.) | Nc3 (Develops q…
- chess.js.legal_moves0ms
- llm.candidates26239ms · $0.0116
full reasoning
Candidates: Nf3 (Develops knight, maintains e4 control, prepares central expansion and future tactics.) | d4 (Establishes strong pawn center, forces Black decision in French Defense, spatial advantage.) | Nc3 (Develops queenside knight, controls d5 and e4, supports d4 expansion and piece coordination.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: d4 — d4 establishes dominant e4–d4 center, forces Black's committed response (d5 or c5), seizing spatial advantage in French Defense mainline.. Rejected: g1f3, b1c3.
- llm.reflect31724ms · $0.0094
9. Commit Commit d4 (d2d4).
4...Nf6stockfish-1700
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- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: g8f6
- stockfish_uci1005ms
5.Nf3Haiku
1. Observe Halbzug 5, Weiss am Zug. Phase: Eroeffnung. Material gleich. Legale Zuege: 38. Criticality: 0.40.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search6ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research research: opening_explorer + web_search both disabled — pure memory-only opening plan.
5. Plan Phase: opening. Develop Nf3 and Nc3 to stabilize e4+d4 centre and prepare defences against Black's expected c5 or d5 challenge. Maintain tempo and piece coordination. Convert space advantage from e4+d4 centre and first-m…
- llm.plan28706ms · $0.0133
full reasoning
Phase: opening. Develop Nf3 and Nc3 to stabilize e4+d4 centre and prepare defences against Black's expected c5 or d5 challenge. Maintain tempo and piece coordination. Convert space advantage from e4+d4 centre and first-move tempo into a coordinated middlegame where White's minor pieces control key central and kingside squares, restricting Black's counterplay. Critical: Black will challenge d4 with c5 or d5 within 1-3 moves; Must develop Nf3, Nc3 rapidly to defend centre and coordinate piece pressure; Opponent plays accurate defence—accumulate positional advantage via superior coordination rather than relying on tactical breaks.
6. Candidates Candidates: Nf3 (Develops with tempo, controls e5/d4 squares, prepares rapid defense against Black's c5/d5 challenge) | Nc3 (Completes rapid knight development, coordinates piece pressure on center, defends d4 against d5…
- chess.js.legal_moves0ms
- llm.candidates29290ms · $0.0152
full reasoning
Candidates: Nf3 (Develops with tempo, controls e5/d4 squares, prepares rapid defense against Black's c5/d5 challenge) | Nc3 (Completes rapid knight development, coordinates piece pressure on center, defends d4 against d5 push) | Bc4 (Develops bishop actively toward f7, supports e4/d5 center squares, maintains attacking tempo and initiative)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Nf3 — Develops with maximum flexibility, controls e5/d4 center squares, enables coordinated Nc3 next move, maintains e4+d4 tempo advantage while preparing defense against imminent c5/d5 challenge.. Rejected: …
- llm.reflect24300ms · $0.0104
full reasoning
Final pick: Nf3 — Develops with maximum flexibility, controls e5/d4 center squares, enables coordinated Nc3 next move, maintains e4+d4 tempo advantage while preparing defense against imminent c5/d5 challenge.. Rejected: b1c3, f1c4.
9. Commit Commit Nf3 (g1f3).
6...Nxe4stockfish-1700
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- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: f6e4
- stockfish_uci1007ms
7.Ne5Haiku
1. Observe Halbzug 7, Weiss am Zug. Phase: Eroeffnung. Schwarz +1 Punkte. Legale Zuege: 34. Criticality: 0.30.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research research: opening_explorer + web_search both disabled — pure memory-only opening plan.
5. Plan Phase: opening. Neutralize Black's active piece through rapid development completion; maintain the e4+d4 central anchor; coordinate minor pieces to restrict Black's counterplay. Convert first-move tempo and space advanta…
- llm.plan46262ms · $0.0245
full reasoning
Phase: opening. Neutralize Black's active piece through rapid development completion; maintain the e4+d4 central anchor; coordinate minor pieces to restrict Black's counterplay. Convert first-move tempo and space advantage into dominant middlegame where White controls central squares with superior piece coordination while limiting Black's tactical chances. Critical: Black's Ne4 actively challenges White's Nf3; requires coordination response; White's minor pieces (Nc3, Bishops) still at home; development sequence must be efficient; Black threatens c5 or d5 pawn breaks within 2-3 moves.
6. Candidates Candidates: d5 (Advance secures central space; attacks e6; opens light bishop diagonal development) | Ne5 (Centralize knight to strong outpost; restrict Black's piece; support breakthrough) | Ng5 (Redeploy knight to pres…
- chess.js.legal_moves0ms
- llm.candidates43320ms · $0.0225
full reasoning
Candidates: d5 (Advance secures central space; attacks e6; opens light bishop diagonal development) | Ne5 (Centralize knight to strong outpost; restrict Black's piece; support breakthrough) | Ng5 (Redeploy knight to pressure e6 and h7; maintain attacking tempo; coordinate)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Ne5 — Centralizes knight to dominant outpost; threatens f7 (king-only defense); coordinates with d4 anchor; forces Black into passive reactions before development completes.. Rejected: d4d5, f3g5.
- llm.reflect26781ms · $0.0110
9. Commit Commit Ne5 (f3e5).
8...d5stockfish-1700
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- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: d7d5
- stockfish_uci1024ms
9.Bb5+Haiku
1. Observe Halbzug 9, Weiss am Zug. Phase: Eroeffnung. Schwarz +1 Punkte. Legale Zuege: 41. Criticality: 0.40.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search13ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search2ms
4. Research research: opening_explorer + web_search both disabled — pure memory-only opening plan.
5. Plan Phase: opening. Activate Nc3, develop bishops (Bf4/Bc4), maintain Ne5 pressure on Black's center (d5–e6). Control key squares while preparing kingside castling. Limit Black Ne4 counterplay through piece coordination. Tra…
- llm.plan38804ms · $0.0184
full reasoning
Phase: opening. Activate Nc3, develop bishops (Bf4/Bc4), maintain Ne5 pressure on Black's center (d5–e6). Control key squares while preparing kingside castling. Limit Black Ne4 counterplay through piece coordination. Transition to middlegame with dominant central control where White's coordinated bishops and Ne5 outweigh Black's active Ne4; capitalize on superior piece placement after castling. Critical: Black Ne4 is tactically aggressive—threatens f2, e2, coordinates with c5/d4 pawn breaks.; White Ne5 controls f7, d7, c6 and pressures e6—must remain active without overextension.; Nb1–c3 development is urgent: completes minor-piece coordination, supports d4, blocks counterplay.; King safety: castling kingside is critical before midgame tactics materialize.; Black's e6+d5 structure is solid; Ne5 applies maximum pressure on this complex..
6. Candidates Candidates: Nc3 (Urgent development completes piece coordination, supports d4, blocks Black's Ne4 counterplay directly.) | Bb5+ (Forcing check develops bishop with tempo, forces Black's immediate response, controls initi…
- chess.js.legal_moves0ms
- llm.candidates53274ms · $0.0301
full reasoning
Candidates: Nc3 (Urgent development completes piece coordination, supports d4, blocks Black's Ne4 counterplay directly.) | Bb5+ (Forcing check develops bishop with tempo, forces Black's immediate response, controls initiative.) | Bc4 (Develops bishop, creates dual attack on f7 with Ne5, targets d5 pawn.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Bb5+ — Forcing check develops with tempo, seizes initiative immediately, forces Black's response before Ne4 counterplay materializes.. Rejected: b1c3, f1c4.
- llm.reflect31530ms · $0.0152
9. Commit Commit Bb5+ (f1b5).
10...Nd7stockfish-1700
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- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: b8d7
- stockfish_uci1003ms
11.Bxd7+Haiku
1. Observe Halbzug 11, Weiss am Zug. Phase: Eroeffnung. Schwarz +1 Punkte. Legale Zuege: 47. Criticality: 0.40.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research research: opening_explorer + web_search both disabled — pure memory-only opening plan.
5. Plan Phase: opening. Develop Nc3 with tempo, forcing Black to respond. Castle kingside to consolidate. Maintain Ne5 dominance on f7–d7. Neutralize Ne4 before Black orchestrates d5 pawn breaks. Coordinate Bb5–Ne5–Nc3 into over…
- llm.plan40269ms · $0.0180
full reasoning
Phase: opening. Develop Nc3 with tempo, forcing Black to respond. Castle kingside to consolidate. Maintain Ne5 dominance on f7–d7. Neutralize Ne4 before Black orchestrates d5 pawn breaks. Coordinate Bb5–Ne5–Nc3 into overwhelming middlegame pressure where Black's cramped center and isolated Ne4 collapse under White's piece coordination. Critical: Black's Ne4 threatens f2/e2 and seeks d2/g3 outposts—exchange it immediately or seal its routes.; White's Ne5 anchors the entire plan—maintain its dominance; prevent favorable Black trades.; Bb5 pins d7 and controls light squares—hold the pin, prepare Bxd7 at the tactical moment.; Black's d5–e6 structure is solid but restrictive—exploit with forcing moves, not slow consolidation..
6. Candidates Candidates: Bxd7+ (Forcing check exploits pin, opens d7 square. Black must respond.) | Nxf7 (Forcing check exposes Black king; follow Bxd7 for devastating attack.) | Nc3 (Develops, coordinates Ne5-Bb5, seals Ne4 escape r…
- chess.js.legal_moves0ms
- llm.candidates86361ms · $0.0527
full reasoning
Candidates: Bxd7+ (Forcing check exploits pin, opens d7 square. Black must respond.) | Nxf7 (Forcing check exposes Black king; follow Bxd7 for devastating attack.) | Nc3 (Develops, coordinates Ne5-Bb5, seals Ne4 escape routes, builds pressure.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Bxd7+ — Forcing check exploits pin, opens d7 square. Black must respond.. Rejected: e5f7, b1c3. [LLM note: Claude CLI subprocess timed out after 120000ms]
9. Commit Commit Bxd7+ (b5d7).
12...Bxd7stockfish-1700
- 1. Observe— missing —
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- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: c8d7
- stockfish_uci1005ms
13.Nxf7Haiku
1. Observe Halbzug 13, Weiss am Zug. Phase: Eroeffnung. Schwarz +1 Punkte. Legale Zuege: 39. Criticality: 0.40.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research research: opening_explorer + web_search both disabled — pure memory-only opening plan.
5. Plan Phase: opening. Develop Nc3 with tempo against Ne4. Pin d7 with Bb5 or control the light square complex. Castle kingside. Force Black's Ne4 into exchange or passive confinement before it reaches d2/g3. Lock the board thr…
- llm.plan24784ms · $0.0108
full reasoning
Phase: opening. Develop Nc3 with tempo against Ne4. Pin d7 with Bb5 or control the light square complex. Castle kingside. Force Black's Ne4 into exchange or passive confinement before it reaches d2/g3. Lock the board through Ne5-Nc3-Bb5 coordination, strangling d7-f7 while sealing Ne4's escape routes, creating a tactical vice where Black's cramped center and weak piece placement become decisive. Critical: Ne4 threatens f2/e2 and hunts d2/g3—trade or seal immediately; f2 is weak; uncastled king vulnerable to Ne4 tactics if allowed tempo; Ne5 is the anchor—any piece trade must preserve White's dominance; if Black exchanges, recapture with a tempo..
6. Candidates Candidates: Nxd7 (captures b score=3) | Nxf7 (captures p score=3) | Nc6 (development score=0) [Fallback: Claude CLI subprocess timed out after 120000ms]
- chess.js.legal_moves0ms
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Nxf7 — Nxf7+ wins the undefended f7 pawn with check, forcing the uncastled King and maintaining White's initiative. The tempo from check is decisive.. Rejected: e5d7, e5c6.
- llm.reflect37318ms · $0.0140
9. Commit Commit Nxf7 (e5f7).
14...Kxf7stockfish-1700
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9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: e8f7
- stockfish_uci1004ms
15.Qf3+Haiku
1. Observe Halbzug 15, Weiss am Zug. Phase: Eroeffnung. Schwarz +3 Punkte. Legale Zuege: 31. Criticality: 0.15.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research research: opening_explorer + web_search both disabled — pure memory-only opening plan.
5. Plan Phase: opening. Play Nc3 with tempo against Ne4, lock the d4 center, castle kingside, and confine Black's knight before it reaches d2/g3. Establish d4-e5 control, neutralize Black's active Ne4, secure kingside safety, an…
- llm.plan48252ms · $0.0255
full reasoning
Phase: opening. Play Nc3 with tempo against Ne4, lock the d4 center, castle kingside, and confine Black's knight before it reaches d2/g3. Establish d4-e5 control, neutralize Black's active Ne4, secure kingside safety, and exploit Black's exposed Kf7. Critical: Ne4 threatens d2/f2; respond with tempo-gaining development; f2 pawn is weak and under tactical fire; Black's Kf7 is exposed; seizing initiative creates middlegame threats; Black leads +3 material (two bishops); must not be passive.
6. Candidates Candidates: Nc3 (Attacks Ne4 with tempo, centralizes control, confines knight before d2/g3 invasion) | Qf3+ (Forcing check with tempo, attacks Ne4, displaces exposed Kf7, opens kingside for castling) | Be3 (Develops bish…
- chess.js.legal_moves0ms
- llm.candidates28868ms · $0.0136
full reasoning
Candidates: Nc3 (Attacks Ne4 with tempo, centralizes control, confines knight before d2/g3 invasion) | Qf3+ (Forcing check with tempo, attacks Ne4, displaces exposed Kf7, opens kingside for castling) | Be3 (Develops bishop, supports d4 center lock, prepares kingside castling, controls key squares)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Qf3+ — Qf3+ checks Kf7 forcing king move, attacks Ne4 with tempo, seizes initiative before Ne4 reaches d2/g3, displaces king to weakened squares.. Rejected: b1c3, c1e3.
- llm.reflect61327ms · $0.0361
9. Commit Commit Qf3+ (d1f3).
16...Kg8stockfish-1700
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- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: f7g8
- stockfish_uci1024ms
17.Qxf8+Haiku
1. Observe Halbzug 17, Weiss am Zug. Phase: Mittelspiel. Schwarz +3 Punkte. Legale Zuege: 41. Criticality: 0.10.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search13ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search4ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Play Nc3 with tempo against Ne4, secure the king via kingside castling, lock the d4 pawn on its central outpost, and establish piece pressure before Black's material advantage crystallizes into endgame…
- llm.plan55749ms · $0.0290
full reasoning
Phase: middlegame. Play Nc3 with tempo against Ne4, secure the king via kingside castling, lock the d4 pawn on its central outpost, and establish piece pressure before Black's material advantage crystallizes into endgame advantage. Displace Black's Ne4 with Nc3 tempo-move, castle kingside to resolve king-safety, leverage d4 outpost and rook activity on open/semi-open lines to create threats against Black's kingside and compensate for material deficit through initiative. Critical: Ne4 attacks Qf3—Nc3 develops with tempo and displaces it; King on e1 is vulnerable to central tactics—castle kingside soon; Down material (~3 points)—tempo and space must prevent Black reaching endgame alive.
6. Candidates Candidates: Nc3 (Develops knight with tempo, attacks Ne4 forcing displacement, prepares kingside castling per strategic plan) | Qxf8+ (Forcing check wins bishop back, activates queen on deep outpost, restricts Black king…
- chess.js.legal_moves0ms
- llm.candidates61727ms · $0.0337
full reasoning
Candidates: Nc3 (Develops knight with tempo, attacks Ne4 forcing displacement, prepares kingside castling per strategic plan) | Qxf8+ (Forcing check wins bishop back, activates queen on deep outpost, restricts Black king for initiative) | Qxe4 (Captures dangerous knight, eliminates Black's most active piece, simplifies toward viable endgame resistance)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Qxf8+ — Forcing check maintains tempo, removes bishop with active queen, keeps pieces for middlegame pressure before endgame matters.. Rejected: b1c3, f3e4.
- llm.reflect61275ms · $0.0315
9. Commit Commit Qxf8+ (f3f8).
18...Qxf8stockfish-1700
- 1. Observe— missing —
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9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: d8f8
- stockfish_uci1004ms
19.O-OHaiku
1. Observe Halbzug 19, Weiss am Zug. Phase: Mittelspiel. Schwarz +9 Punkte. Legale Zuege: 26. Criticality: 0.00.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search9ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Play Nc3 with tempo to displace Ne4, castle kingside immediately to secure king, then leverage the advanced d4 pawn and rook activity on open files to create threats against Black's kingside. Generate …
- llm.plan25793ms · $0.0100
full reasoning
Phase: middlegame. Play Nc3 with tempo to displace Ne4, castle kingside immediately to secure king, then leverage the advanced d4 pawn and rook activity on open files to create threats against Black's kingside. Generate concrete tactical compensation before Black's material solidifies. Convert temporary initiative into kingside pressure and tactical threats using the d4 strongpoint and rook coordination, preventing Black from simplifying into a winning endgame. Trade time for material. Critical: opponent-threat: Black's material advantage overwhelms in simplified positions—no time for slow positional maneuvering; own-weakness: King on e1 invites central tactics and Black counterplay; castling is not optional; concrete-threat: Ne4 is active; must either displace (Nc3) or neutralize via piece coordination.
6. Candidates Candidates: Nc3 (Attacks Ne4 directly with tempo, forces Black decision. Implements plan Step 1: displace active enemy piece before castling.) | O-O (Castle kingside immediately; secures king, connects rooks. Plan Step 2…
- chess.js.legal_moves0ms
- llm.candidates24271ms · $0.0116
full reasoning
Candidates: Nc3 (Attacks Ne4 directly with tempo, forces Black decision. Implements plan Step 1: displace active enemy piece before castling.) | O-O (Castle kingside immediately; secures king, connects rooks. Plan Step 2: kingside castling essential before leveraging d4 strongpoint.) | Bf4 (Develops actively with tempo on e5/d6 squares. Supports kingside pressure via open files and prepares f4 advance.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: O-O — Castles immediately, moving king to g1 eliminates the devastating ...Ng3+ tactic (no longer check from g3; knight checks from e4 become harmless) and rook from h1 vulnerability. Secures king before leve…
- llm.reflect58922ms · $0.0306
full reasoning
Final pick: O-O — Castles immediately, moving king to g1 eliminates the devastating ...Ng3+ tactic (no longer check from g3; knight checks from e4 become harmless) and rook from h1 vulnerability. Secures king before leveraging d4.. Rejected: b1c3, c1f4.
9. Commit Commit O-O (e1g1).
20...Qf6stockfish-1700
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- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: f8f6
- stockfish_uci1007ms
21.Bg5Haiku
1. Observe Halbzug 21, Weiss am Zug. Phase: Mittelspiel. Schwarz +9 Punkte. Legale Zuege: 23. Criticality: 0.00.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Force Black's pieces with tempo (Nc3 vs Ne4, or Bg5 vs Qf6) to prevent simplification. Develop remaining pieces (knight, bishop) while maintaining pressure on f-file and d4 strongpoint. Create kingside…
- llm.plan34701ms · $0.0162
full reasoning
Phase: middlegame. Force Black's pieces with tempo (Nc3 vs Ne4, or Bg5 vs Qf6) to prevent simplification. Develop remaining pieces (knight, bishop) while maintaining pressure on f-file and d4 strongpoint. Create kingside threats via coordinated rooks and bishop to generate tactical compensation before endgame. Disrupt Black's consolidation through forcing moves, prevent piece trades that simplify into a losing endgame, and convert White's space advantage and piece coordination into concrete kingside pressure. Critical: opponent-threat: Black's +9 material overwhelms in quiet positions — no time for slow maneuvering; own-weakness: White's material deficit means one tactical error loses immediately; concrete-tactic: Rf1 on open f-file + d4 pawn + slightly exposed Black king (g8) offer sacrificial or tactical chances.
6. Candidates Candidates: Nc3 (Develops knight with tempo, attacks Ne4 forcing relocation, improves piece coordination.) | Bg5 (Develops bishop with tempo, attacks Qf6 forcing queen relocation, maintains tactical pressure.) | f3 (Atta…
- chess.js.legal_moves0ms
- llm.candidates32802ms · $0.0178
full reasoning
Candidates: Nc3 (Develops knight with tempo, attacks Ne4 forcing relocation, improves piece coordination.) | Bg5 (Develops bishop with tempo, attacks Qf6 forcing queen relocation, maintains tactical pressure.) | f3 (Attacks Ne4, prepares f4 kingside expansion, gains space for tactical compensation before consolidation.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Bg5 — Attacks Qf6 with tempo, forces queen relocation, develops bishop toward kingside where White needs tactical threats. Maintains maximum complexity.. Rejected: b1c3, f2f3.
- llm.reflect40897ms · $0.0199
9. Commit Commit Bg5 (c1g5).
22...Qxd4stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: f6d4
- stockfish_uci1005ms
23.Nc3Haiku
1. Observe Halbzug 23, Weiss am Zug. Phase: Mittelspiel. Schwarz +10 Punkte. Legale Zuege: 26. Criticality: 0.00.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search6ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search4ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Develop with tempo (Nc3 forcing Queen movement), coordinate f-file rook pressure, create kingside threats on f7/h7 to prevent Black consolidation. Never allow quiet moves—maintain forcing play. Trade p…
- llm.plan34837ms · $0.0156
full reasoning
Phase: middlegame. Develop with tempo (Nc3 forcing Queen movement), coordinate f-file rook pressure, create kingside threats on f7/h7 to prevent Black consolidation. Never allow quiet moves—maintain forcing play. Trade pieces only when it preserves White's initiative. Sustain perpetual threats against Black's exposed King (g8) before material advantage becomes decisive. Convert f-file control + space into concrete tactical compensation. Keep the board sharp; avoid any simplification that leads to a won endgame for Black. Critical: Black's Q+N are dominant in quiet positions—silence is a loss; Black King on g8 lacks escape squares—f7, h7, g7 are weak; f-file is semi-open; doubling rooks + Bg5 support kingside attack; Nc3 is the key tempo move, forcing the Q to relocate; Any passive move (consolidation) transfers the advantage to Black.
6. Candidates Candidates: Nc3 (Forces Queen to relocate, creating tempo. Key move per plan—maintains forcing middlegame play and initiative.) | Bf6 (Attacks Ne4, forcing reroute. Supports kingside threats on f7/h7. Keeps position shar…
- chess.js.legal_moves0ms
- llm.candidates33268ms · $0.0173
full reasoning
Candidates: Nc3 (Forces Queen to relocate, creating tempo. Key move per plan—maintains forcing middlegame play and initiative.) | Bf6 (Attacks Ne4, forcing reroute. Supports kingside threats on f7/h7. Keeps position sharp and forcing.) | c4 (Challenges d5 center, forces Black response. Opens lines, maintains central pressure and perpetual initiative.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Nc3 — Nc3 forces Queen relocation immediately, gaining tempo. Threatens Nd5 next (double attack: e7 + Queen), maintaining perpetual forcing play. Prevents Black consolidation in quiet positions.. Rejected: g5…
- llm.reflect63907ms · $0.0366
full reasoning
Final pick: Nc3 — Nc3 forces Queen relocation immediately, gaining tempo. Threatens Nd5 next (double attack: e7 + Queen), maintaining perpetual forcing play. Prevents Black consolidation in quiet positions.. Rejected: g5f6, c2c4.
9. Commit Commit Nc3 (b1c3).
24...Nxg5stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: e4g5
- stockfish_uci1002ms
25.Rfd1Haiku
1. Observe Halbzug 25, Weiss am Zug. Phase: Mittelspiel. Schwarz +13 Punkte. Legale Zuege: 24. Criticality: 0.00.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Force Black Queen from d4 via Rook tempo (Rf4), build f-file pressure toward f7/h7. Maintain forcing play to compensate for material deficit. Prevent Black consolidation. Control f-file via doubled Roo…
- llm.plan38269ms · $0.0178
full reasoning
Phase: middlegame. Force Black Queen from d4 via Rook tempo (Rf4), build f-file pressure toward f7/h7. Maintain forcing play to compensate for material deficit. Prevent Black consolidation. Control f-file via doubled Rooks, centralize Knight on d5, coordinate to attack f7/h7 and sustain perpetual tactical threats against Black's exposed King. Critical: f7 weak (King-defended only); Black Queen d4 must relocate under Rook pressure; Black King g8 cramped, limited escape; White zero margin for quiet moves—every tempo must matter.
6. Candidates Candidates: Nxd5 (Centralizes Knight at outpost, threatens e7/f6/c7, improves coordination against f7/h7) | Ne4 (Knight positions for f6, supports f-file pressure, maintains forcing tempo vs Black's Queen) | Rfd1 (Attack…
- chess.js.legal_moves0ms
- llm.candidates54729ms · $0.0293
full reasoning
Candidates: Nxd5 (Centralizes Knight at outpost, threatens e7/f6/c7, improves coordination against f7/h7) | Ne4 (Knight positions for f6, supports f-file pressure, maintains forcing tempo vs Black's Queen) | Rfd1 (Attacks Queen, forces relocation, centralizes Rook, prepares doubled-Rook pressure on critical lines)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Rfd1 — Forces Black Queen from d4 immediately, centralizes Rook, initiates doubled-Rook d-file pressure—sustains forcing tempo critical when down material.. Rejected: c3d5, c3e4.
- llm.reflect25274ms · $0.0107
9. Commit Commit Rfd1 (f1d1).
26...Qh4stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: d4h4
- stockfish_uci1007ms
27.Ne4Haiku
1. Observe Halbzug 27, Weiss am Zug. Phase: Mittelspiel. Schwarz +13 Punkte. Legale Zuege: 27. Criticality: 0.00.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Activate Rooks on f-file (Rf4 forces Queen relocation). Centralize Knight to d5 outpost. Coordinate forcing threats against f7 and cramped g8 King to sustain perpetual tactical pressure before Black co…
- llm.plan25765ms · $0.0126
full reasoning
Phase: middlegame. Activate Rooks on f-file (Rf4 forces Queen relocation). Centralize Knight to d5 outpost. Coordinate forcing threats against f7 and cramped g8 King to sustain perpetual tactical pressure before Black consolidates material. Down 13 points—quiet play loses. Generate forcing complications via f-file pressure and King-side threats to trade pieces toward drawable endgame or expose a tactical breakthrough. Critical: Black Queen h4 + Knight g5 threaten f2/h2; White under immediate attack pressure; White material deficit (-13) is decisive in slow games; zero margin for inactive moves; f7 weak (King-only), d5 isolated pawn, g8 King cramped—tactical fulcrum if White forces play.
6. Candidates Candidates: Nxd5 (Centralizes knight to powerful d5 outpost; removes Black's isolated pawn; controls key tactical squares.) | Rxd5 (Activates rook on 5th rank; captures d5 pawn; improves rook placement for semi-open file…
- chess.js.legal_moves0ms
- llm.candidates37748ms · $0.0191
full reasoning
Candidates: Nxd5 (Centralizes knight to powerful d5 outpost; removes Black's isolated pawn; controls key tactical squares.) | Rxd5 (Activates rook on 5th rank; captures d5 pawn; improves rook placement for semi-open file pressure.) | Ne4 (Centralizes knight to strong central outpost; maximizes piece activity; coordinates forcing threats kingside-wide.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Ne4 — Ne4 attacks Black's Ng5 directly (forcing), centralizes the Knight with threat of Nf6+ against the cramped g8 King. Down 13 points demands forcing complications and piece attacks, not quiet improvements…
- llm.reflect56257ms · $0.0275
full reasoning
Final pick: Ne4 — Ne4 attacks Black's Ng5 directly (forcing), centralizes the Knight with threat of Nf6+ against the cramped g8 King. Down 13 points demands forcing complications and piece attacks, not quiet improvements.. Rejected: c3d5, d1d5.
9. Commit Commit Ne4 (c3e4).
28...Nxe4stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: g5e4
- stockfish_uci1003ms
29.Rd4Haiku
1. Observe Halbzug 29, Weiss am Zug. Phase: Mittelspiel. Schwarz +16 Punkte. Legale Zuege: 23. Criticality: 0.00.
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Force Black's centralized Knight (e4) to move or eliminate it via f3. Open the f-file for Rook infiltration. Activate both Rooks on open/semi-open lines to create perpetual check threats against Black'…
- llm.plan30810ms · $0.0135
full reasoning
Phase: middlegame. Force Black's centralized Knight (e4) to move or eliminate it via f3. Open the f-file for Rook infiltration. Activate both Rooks on open/semi-open lines to create perpetual check threats against Black's confined King (g8) before material disadvantage becomes decisive. White trades down via forcing moves (Knight dislodgement, Rook activation on f-file) and mating threats against g8 to reach drawable rook endgame or achieve perpetual check. Critical: Black Knight e4 is centralized and strong—attack it immediately with f3 or Rd4; Black Queen h4 threatens f2/h2—defend and counter via Rook activity, not passive pawns; f-file is semi-open (no pawns)—Rooks belong there. Infiltration (Rf4, Rf5) creates mating nets.
6. Candidates Candidates: f3 (Attacks Ne4 directly, opens f-file for Rook infiltration (Rf4-f5), forces Knight displacement per plan) | Rd4 (Attacks Ne4 while centralizing Rook on 4th rank, prepares Rf4 swing to semi-open f-file, forc…
- chess.js.legal_moves0ms
- llm.candidates19234ms · $0.0091
full reasoning
Candidates: f3 (Attacks Ne4 directly, opens f-file for Rook infiltration (Rf4-f5), forces Knight displacement per plan) | Rd4 (Attacks Ne4 while centralizing Rook on 4th rank, prepares Rf4 swing to semi-open f-file, forces Black response) | Rxd5 (Captures pawn, reduces material deficit, opens d-file for second Rook, simplifies toward drawable endgame)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Rd4 — Attacks e4 Knight from centralized 4th rank with active Rook (more forcing than pawn). Prepares f-file infiltration via Rf4 if Knight retreats. Forces Black's response immediately.. Rejected: f2f3, d1d5…
- llm.reflect30584ms · $0.0129
full reasoning
Final pick: Rd4 — Attacks e4 Knight from centralized 4th rank with active Rook (more forcing than pawn). Prepares f-file infiltration via Rf4 if Knight retreats. Forces Black's response immediately.. Rejected: f2f3, d1d5.
9. Commit Commit Rd4 (d1d4).
30...Qxf2+stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: h4f2
- stockfish_uci1005ms
31.Kh1Haiku
1. Observe Halbzug 31, Weiss am Zug. Phase: Mittelspiel. Schwarz +17 Punkte. Legale Zuege: 1. Schach! Criticality: 0.55. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search2ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Kh1 (forced—only legal move from check). Attack e4 Knight via f3 next. Activate Rd4 on f-file to harass g8 King. Generate forcing checks and trade material toward drawable rook endgame or perpetual che…
- llm.plan39916ms · $0.0203
full reasoning
Phase: middlegame. Kh1 (forced—only legal move from check). Attack e4 Knight via f3 next. Activate Rd4 on f-file to harass g8 King. Generate forcing checks and trade material toward drawable rook endgame or perpetual check. Escape check, dislodge e4 Knight, activate Rooks for perpetual checking threats against Black's confined g8 King, convert material deficit into forced draw via perpetual or endgame simplification. Critical: Kh1 mandatory (only legal move); f3 attack on e4 Knight must follow immediately to seize tempo; Black King g8 is confined with Kf8 as only escape square—highly vulnerable to Rook checks on f-file; Black Queen f2 dominates but can be pushed back; e4 Knight is Black's only outpost defender.
6. Candidates Candidates: Kh1 (Escape check, only legal move. Threatens f3 next to attack e4 Knight and seize tempo in forcing continuation.)
- chess.js.legal_moves0ms
- llm.candidates11818ms · $0.0030
7. Verify Alle 1 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Kh1 — Escape check, only legal move. Threatens f3 next to attack e4 Knight and seize tempo in forcing continuation.. Rejected: —.
9. Commit Commit Kh1 (g1h1).
32...Qxd4stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: f2d4
- stockfish_uci1004ms
33.Rf1Haiku
1. Observe Halbzug 33, Weiss am Zug. Phase: Mittelspiel. Schwarz +22 Punkte. Legale Zuege: 16. Criticality: 0.10. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Activate Ra1 to seize f-file and create forcing checks against confined Black King g8. Restrict escape squares; threaten perpetual checking patterns. Force simplifications or tactical wins to offset ma…
- llm.plan54349ms · $0.0276
full reasoning
Phase: middlegame. Activate Ra1 to seize f-file and create forcing checks against confined Black King g8. Restrict escape squares; threaten perpetual checking patterns. Force simplifications or tactical wins to offset material deficit. Generate forcing Rook attacks on f-/h-files to achieve perpetual check against trapped King or force piece simplification toward drawable R+P endgame. Material deficit (-22) demands forcing play, not positional maneuvering. Critical: Black King g8 confined with f8 as primary escape; Ra1 currently passive—f-file activation is key lever; Ne4 becomes tactical target once Rook creates threats; d5 pawn isolated—weak pressure point after Rook moves; Forcing play mandatory; slow positional game loses automatically.
6. Candidates Candidates: Rf1 (Activates Rook on f-file per plan. Threatens f7 and confines King g8. Creates forcing pressure leading to perpetual checks or simplification.) | Re1 (Attacks Knight e4 forcing it away. Reduces Black piec…
- chess.js.legal_moves0ms
- llm.candidates31266ms · $0.0164
full reasoning
Candidates: Rf1 (Activates Rook on f-file per plan. Threatens f7 and confines King g8. Creates forcing pressure leading to perpetual checks or simplification.) | Re1 (Attacks Knight e4 forcing it away. Reduces Black piece coordination and simplifies position toward drawable R+P endgame.) | Rd1 (Attacks Queen d4 forcing it to move. Centralizes Rook, reduces Black attacking momentum. Creates tactical forcing play needed with material deficit.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Rf1 — Seizes f-file, threatens Rxf7+ directly, confines Black King to g8/f8. f7 defended only by King—this creates immediate perpetual check patterns needed to convert material deficit.. Rejected: a1e1, a1d1.
- llm.reflect26732ms · $0.0117
9. Commit Commit Rf1 (a1f1).
34...Qf6stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: d4f6
- stockfish_uci1005ms
35.Rxf6Haiku
1. Observe Halbzug 35, Weiss am Zug. Phase: Mittelspiel. Schwarz +22 Punkte. Legale Zuege: 22. Criticality: 0.10. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search5ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Activate Ra1 to seize f-file and create forcing checks against confined Black King g8. Generate perpetual-check threats or force Black into material simplification under pressure. Positional play is im…
- llm.plan32809ms · $0.0173
full reasoning
Phase: middlegame. Activate Ra1 to seize f-file and create forcing checks against confined Black King g8. Generate perpetual-check threats or force Black into material simplification under pressure. Positional play is impossible given material deficit; only forcing tactics offer drawing chances. Establish perpetual check via Rook pressure (f-file/h-file) or force simplification to drawable R+P endgame; Black's material advantage will decide if White allows slow positional play. Critical: Black King confined on g8 (h7 wall, f8/h8 escapes); f-file Rook activation is key lever for perpetual-check threats; Black Knight e4 and Queen f6 are well-coordinated; prevent them from dominating further; Material deficit (-22) makes slow play lethal; White must generate immediate forcing threats (checks, piece attacks) or draw is impossible.
6. Candidates Candidates: Rxf6 (Captures Black's Queen, eliminates strongest piece, forces simplification toward drawable R+P endgame. Most forcing move.) | Rf3 (Maintains f-file Rook control for perpetual check threats against confin…
- chess.js.legal_moves0ms
- llm.candidates29780ms · $0.0134
full reasoning
Candidates: Rxf6 (Captures Black's Queen, eliminates strongest piece, forces simplification toward drawable R+P endgame. Most forcing move.) | Rf3 (Maintains f-file Rook control for perpetual check threats against confined King g8. Keeps tactical pressure while staying active.) | Ra1 (Activates Rook on a-file per strategic plan. Creates back-rank threats and supports forcing pressure on multiple files.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Rxf6 — Most forcing move. Captures Black's Queen (most dangerous attacker), trades Rook for Queen (+4 material advantage), forces simplification. After Bxf6, remaining endgame is lost but Queen threat elimina…
- llm.reflect75871ms · $0.0396
full reasoning
Final pick: Rxf6 — Most forcing move. Captures Black's Queen (most dangerous attacker), trades Rook for Queen (+4 material advantage), forces simplification. After Bxf6, remaining endgame is lost but Queen threat eliminated.. Rejected: f1f3, f1a1.
9. Commit Commit Rxf6 (f1f6).
36...gxf6stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: g7f6
- stockfish_uci1008ms
37.a4Haiku
1. Observe Halbzug 37, Weiss am Zug. Phase: Mittelspiel. Schwarz +18 Punkte. Legale Zuege: 11. Criticality: 0.10. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Drive queenside pawns (a2-b2-c2) as connected phalanx; create practical race complications with maximum pawn velocity before Black's pieces deliver mate Push connected pawns toward promotion with speed…
- llm.plan26743ms · $0.0112
full reasoning
Phase: middlegame. Drive queenside pawns (a2-b2-c2) as connected phalanx; create practical race complications with maximum pawn velocity before Black's pieces deliver mate Push connected pawns toward promotion with speed sufficient to threaten queening before Black consolidates—only realistic drawing hope is if Black cannot manage defense and position simplifies favorably Critical: Black's overwhelming material (two Rooks + Bishop + Knight + two extra pawns); White King trapped h1, near-zero mobility, vulnerable to back-rank checks; Black Knight e4 dominates; both Rooks active on perimeter; White's only resource: rapid pawn advance queenside; no piece counterplay exists.
6. Candidates Candidates: a4 (Accelerates a-pawn two squares toward promotion; maximum velocity queenside race, concrete queening threat) | b3 (Solidifies connected phalanx structure; advances b-pawn while supporting a-pawn and prepar…
- chess.js.legal_moves0ms
- llm.candidates19255ms · $0.0089
full reasoning
Candidates: a4 (Accelerates a-pawn two squares toward promotion; maximum velocity queenside race, concrete queening threat) | b3 (Solidifies connected phalanx structure; advances b-pawn while supporting a-pawn and preparing c-pawn push) | a3 (Methodical phalanx advance; maintains multiple pawn-push options while building coordinated queenside race)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: a4 — Maximum pawn velocity to create concrete queening threat. a-pawn advances 2 squares, reaching promotion in 4 moves. Forces Black's immediate response; only practical race to escape mate.. Rejected: b2b3,…
- llm.reflect24242ms · $0.0085
full reasoning
Final pick: a4 — Maximum pawn velocity to create concrete queening threat. a-pawn advances 2 squares, reaching promotion in 4 moves. Forces Black's immediate response; only practical race to escape mate.. Rejected: b2b3, a2a3.
9. Commit Commit a4 (a2a4).
38...Kg7stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: g8g7
- stockfish_uci1005ms
39.a5Haiku
1. Observe Halbzug 39, Weiss am Zug. Phase: Mittelspiel. Schwarz +18 Punkte. Legale Zuege: 10. Criticality: 0.10. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: middlegame. Push queenside pawns (a4-a5-a6, b2-b3, c2) toward promotion with maximum velocity. Force Black to choose between stopping queening and delivering mate. Race is our only practical drawing chance. Conver…
- llm.plan22350ms · $0.0093
full reasoning
Phase: middlegame. Push queenside pawns (a4-a5-a6, b2-b3, c2) toward promotion with maximum velocity. Force Black to choose between stopping queening and delivering mate. Race is our only practical drawing chance. Convert pawn-race into promotion threat that outpaces Black's mating attack before material advantage consolidates. Critical: Black threatens back-rank mate (Rooks a8+h8) within 5-10 moves. Knight e4 dominates h1 King (trapped, zero mobility). Window to create counterplay is now (2-3 moves).; White's only asset is queenside pawn velocity. Material deficit (two Rooks + Bishop + Knight) is terminal unless immediate pawn promotion threat forces Black's defensive focus.; Tactical threat: Ne4-f2+ forces Kg1, then Black's kingside mating attack accelerates. Must push pawns NOW before e4-Knight and Rooks align for mate delivery..
6. Candidates Candidates: a5 (Advances passed pawn to a5; two moves remain to promote at a8. Creates unstoppable promotion threat.) | b4 (Aggressive queenside support. Faster than b3; coordinates with a5 to create multi-pawn promotion…
- chess.js.legal_moves0ms
- llm.candidates34710ms · $0.0188
full reasoning
Candidates: a5 (Advances passed pawn to a5; two moves remain to promote at a8. Creates unstoppable promotion threat.) | b4 (Aggressive queenside support. Faster than b3; coordinates with a5 to create multi-pawn promotion race.) | c4 (Expands queenside control. Reinforces a5–b4 momentum toward promotion. Central foothold for race.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: a5 — a5 queens in 3 moves vs 4 (b4) or 5 (c4). Closest to promotion forces Black to choose stopping a8=Q or delivering mate—critical tempo in race against back-rank threats.. Rejected: b2b4, c2c4.
- llm.reflect27727ms · $0.0108
9. Commit Commit a5 (a4a5).
40...Kg6stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: g7g6
- stockfish_uci1023ms
41.a6Haiku
1. Observe Halbzug 41, Weiss am Zug. Phase: Endspiel. Schwarz +18 Punkte. Legale Zuege: 10. Criticality: 0.10. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search16ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search4ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Launch all-in pawn race on queenside. Push a5→a6 immediately; follow with b3 and c3 to create multiple queening threats. Force Black to defend promotion instead of executing back-rank mate. Create unstopp…
- llm.plan25739ms · $0.0089
full reasoning
Phase: endgame. Launch all-in pawn race on queenside. Push a5→a6 immediately; follow with b3 and c3 to create multiple queening threats. Force Black to defend promotion instead of executing back-rank mate. Create unstoppable promotion threat (a→a8=Q) that arrives before Ra1#/Rh1#. White's only realistic chance: convert pawn velocity into queen arrival; draw only if queening forces queen trade or perpetual. Critical: Black threatens back-rank mate (Ra1# or Rh1#) within 3-5 moves; window closing; White's a5 pawn is sole practical asset; a6 is critical next move to lock in promotion race; Knight e4 dominates h1 King (zero mobility, no defense); king cannot stop pawns; Black's rooks + material will consolidate into checkmate unless White promotes within 2-3 tempo.
6. Candidates Candidates: a6 (Launches pawn race—sole practical asset. Forces Black defend promotion threat.) | b3 (Supports a-pawn, creates pawn shield. First reinforcement in multi-threat plan.) | c3 (Strengthens a-pawn support, con…
- chess.js.legal_moves0ms
- llm.candidates35832ms · $0.0193
full reasoning
Candidates: a6 (Launches pawn race—sole practical asset. Forces Black defend promotion threat.) | b3 (Supports a-pawn, creates pawn shield. First reinforcement in multi-threat plan.) | c3 (Strengthens a-pawn support, controls key squares d4/b4. Completes promotion corridor.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: a6 — Locks promotion race immediately. a-pawn one square from a7; Black must defend. Starts race before back-rank threats consolidate. Only practical hope.. Rejected: b2b3, c2c3.
- llm.reflect26937ms · $0.0121
9. Commit Commit a6 (a5a6).
42...bxa6stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: b7a6
- stockfish_uci1005ms
43.h3Haiku
1. Observe Halbzug 43, Weiss am Zug. Phase: Endspiel. Schwarz +19 Punkte. Legale Zuege: 9. Criticality: 0.10. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Prevent Ra1# (mate in 1) via h3/h4 escape square. Then launch all-out queenside pawn race: b3-b4-b5 and c3-c4-c5 in parallel. Force Black to defend simultaneous promotion threats (b→b8=Q, c→c8=Q) instead …
- llm.plan46954ms · $0.0245
full reasoning
Phase: endgame. Prevent Ra1# (mate in 1) via h3/h4 escape square. Then launch all-out queenside pawn race: b3-b4-b5 and c3-c4-c5 in parallel. Force Black to defend simultaneous promotion threats (b→b8=Q, c→c8=Q) instead of executing back-rank mates. White's only practical chance: promote before rooks + knight organize blockade. Push b and c pawns toward promotion on alternating moves while king maintains escape to h2. Convert pawn velocity into a queen that generates perpetual check or counter-mating threats against Black's uncoordinated rooks. Critical: Ra1# is checkmate in 1 move if not prevented (URGENT); Black's two rooks cannot simultaneously blockade both b and c pawns if pushed at full speed; Material deficit (-19) is terminal; draw or perpetual check only realistic outcome if any pawn promotes.
6. Candidates Candidates: h3 (Prevent Ra1+ mating sequences by creating escape square on h2. Ensures king survival.) | b3 (Initiate b-pawn race toward b8=Q. First step of plan's aggressive queenside promotion assault.) | c3 (Launch pa…
- chess.js.legal_moves0ms
- llm.candidates79883ms · $0.0442
full reasoning
Candidates: h3 (Prevent Ra1+ mating sequences by creating escape square on h2. Ensures king survival.) | b3 (Initiate b-pawn race toward b8=Q. First step of plan's aggressive queenside promotion assault.) | c3 (Launch parallel c-pawn threat toward c8=Q. Forces Black to defend two promotion lines simultaneously.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: h3 — Prevents Ra1# by creating escape h2. Survival prerequisite before b/c-pawn race toward promotion.. Rejected: b2b3, c2c3.
- llm.reflect33261ms · $0.0146
9. Commit Commit h3 (h2h3).
44...a5stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: a6a5
- stockfish_uci1005ms
45.Kg1Haiku
1. Observe Halbzug 45, Weiss am Zug. Phase: Endspiel. Schwarz +19 Punkte. Legale Zuege: 9. Criticality: 0.10. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Prevent Ra1# mate threat immediately. Create king escape route (likely Kg1→f2). Then launch simultaneous b/c pawn race: b4-b5-b8=Q and c4-c5-c8=Q to outpace Black's mating threats. Execute simultaneous qu…
- llm.plan62450ms · $0.0316
full reasoning
Phase: endgame. Prevent Ra1# mate threat immediately. Create king escape route (likely Kg1→f2). Then launch simultaneous b/c pawn race: b4-b5-b8=Q and c4-c5-c8=Q to outpace Black's mating threats. Execute simultaneous queenside pawn race faster than Black's back-rank mating attack can conclude; force Black to defend two promotion threats. Critical: Ra1# is mate in 1 — prevent immediately (e.g., Kg1); Back-rank coordinates: Ra1 and Rh8 control both king escape squares (g1, h2); Knight on e4 is active but stretched defending queenside; White's only practical chance: promote before Black's mating attack concludes; Black must split focus between blockading two promotion squares and maintaining mate threat.
6. Candidates Candidates: Kg1 (Prevent Ra1# mate threat immediately; create king escape route to f2) | b4 (Launch b-pawn race b4-b5-b8=Q forcing Black defend promotion while executing mate) | c4 (Simultaneous c-pawn race c4-c5-c8=Q cr…
- chess.js.legal_moves0ms
- llm.candidates27295ms · $0.0094
full reasoning
Candidates: Kg1 (Prevent Ra1# mate threat immediately; create king escape route to f2) | b4 (Launch b-pawn race b4-b5-b8=Q forcing Black defend promotion while executing mate) | c4 (Simultaneous c-pawn race c4-c5-c8=Q creates dual promotion threats Black cannot blockade both)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Kg1 — Prevents Ra1# mate threat immediately. Black's rook cannot deliver mate with king on g1, as escape squares (h1, f2, f1) remain available. b/c pawn races fail to mating attack if left unattended.. Reject…
- llm.reflect29357ms · $0.0158
full reasoning
Final pick: Kg1 — Prevents Ra1# mate threat immediately. Black's rook cannot deliver mate with king on g1, as escape squares (h1, f2, f1) remain available. b/c pawn races fail to mating attack if left unattended.. Rejected: b2b4, c2c4.
9. Commit Commit Kg1 (h1g1).
46...Rhb8stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: h8b8
- stockfish_uci1003ms
47.Kh2Haiku
1. Observe Halbzug 47, Weiss am Zug. Phase: Endspiel. Schwarz +19 Punkte. Legale Zuege: 10. Criticality: 0.10. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search6ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search2ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Secure king escape route (Kf2) immediately, then launch simultaneous queenside pawn push (b4, c4) to create dual promotion threats against Black's material dominance. Race both queenside pawns to promotio…
- llm.plan59309ms · $0.0301
full reasoning
Phase: endgame. Secure king escape route (Kf2) immediately, then launch simultaneous queenside pawn push (b4, c4) to create dual promotion threats against Black's material dominance. Race both queenside pawns to promotion before Black's back-rank mating attack concludes; use resulting queen for perpetual checks or fortress defense. Critical: Black threatens Ra1+ back-rank mate followed by rook doubling; White king on g1 lacks safe escape squares (g2 blocked, h1/f1 controlled by Black rooks); Dual pawn race is only winning resource; requires moving both b and c pawns simultaneously to overload Black's defenses; Black's centralized knight e4 and rooks will aggressively intercept or block White's promotion pawns.
6. Candidates Candidates: Kh2 (Escapes back-rank threat (Ra1+). Enables subsequent pawn race without forced king moves disrupting tempo.) | b4 (Launches aggressive queenside pawn race toward promotion. Forces Black to commit rook bloc…
- chess.js.legal_moves0ms
- llm.candidates35254ms · $0.0194
full reasoning
Candidates: Kh2 (Escapes back-rank threat (Ra1+). Enables subsequent pawn race without forced king moves disrupting tempo.) | b4 (Launches aggressive queenside pawn race toward promotion. Forces Black to commit rook blockade.) | c4 (Initiates simultaneous c-file push. Dual promotion threats overload Black's defensive capacity.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Kh2 — Eliminates Ra1+ back-rank mating threat, securing king before launching pawn race. Prevents forced king moves disrupting queenside pawn tempo. Black loses ability to disrupt dual promotion race with che…
- llm.reflect44313ms · $0.0225
full reasoning
Final pick: Kh2 — Eliminates Ra1+ back-rank mating threat, securing king before launching pawn race. Prevents forced king moves disrupting queenside pawn tempo. Black loses ability to disrupt dual promotion race with checks.. Rejected: b2b4, c2c4.
9. Commit Commit Kh2 (g1h2).
48...Rxb2stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: b8b2
- stockfish_uci1007ms
49.c4Haiku
1. Observe Halbzug 49, Weiss am Zug. Phase: Endspiel. Schwarz +20 Punkte. Legale Zuege: 7. Criticality: 0.10. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search2ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Push c4 and g4 simultaneously to create dual promotion threats. Escape king to g1/h1 to avoid Ra1+ back-rank mate. Force Black to split defensive resources between stopping two pawns and executing mating …
- llm.plan114399ms · $0.0717
full reasoning
Phase: endgame. Push c4 and g4 simultaneously to create dual promotion threats. Escape king to g1/h1 to avoid Ra1+ back-rank mate. Force Black to split defensive resources between stopping two pawns and executing mating attack. Race pawns to promotion in ~5 moves each before Black delivers checkmate; promote a pawn to create perpetual checks or fortress defense against Black's material advantage. Critical: Black threatens Ra1+ and back-rank checkmate via rook coordination (Ra8 + Rb2); White's c-pawn and g-pawn are the only viable promotion threats (h-pawn blocked by h7); both require 5–6 moves to promote; Black's Ne4 controls c3, g3, d2, f2; Black's Bd7 controls c6, c8, b5, a4 — these squares constrain pawn tempo; White's king must escape via Kg1 or Kh1 to buy time for pawn advance and avoid immediate back-rank tactics; Tempo is critical: dual pawn push is the only winning resource; any delay consolidates Black's mating attack.
6. Candidates Candidates: c4 (Initiates primary promotion threat on c-file. Dual-threat strategy forces Black resource split.) | g4 (Launches second promotion threat (g-pawn). Dual simultaneous advances demand Black defend two pawns p…
- chess.js.legal_moves0ms
- llm.candidates19790ms · $0.0093
full reasoning
Candidates: c4 (Initiates primary promotion threat on c-file. Dual-threat strategy forces Black resource split.) | g4 (Launches second promotion threat (g-pawn). Dual simultaneous advances demand Black defend two pawns plus execute mate.) | Kg1 (King escapes back rank, prevents Ra1+ mate. Buys tempo for pawn advances while avoiding immediate tactical catastrophe.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: c4 — Initiates primary promotion threat forcing Black to split defense between dual pawns. Tempo critical; dual pawn-push is only winning resource.. Rejected: g2g4, h2g1.
- llm.reflect42289ms · $0.0238
9. Commit Commit c4 (c2c4).
50...d4stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: d5d4
- stockfish_uci1006ms
51.c5Haiku
1. Observe Halbzug 51, Weiss am Zug. Phase: Endspiel. Schwarz +20 Punkte. Legale Zuege: 4. Criticality: 0.20. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Escape king to g1 to block Ra1+ back-rank threat. Simultaneously push c4 pawn toward promotion (c5-c6-c7-c8). Force Black to split between stopping the passer and delivering checkmate. Race c-pawn to c8 i…
- llm.plan25396ms · $0.0117
full reasoning
Phase: endgame. Escape king to g1 to block Ra1+ back-rank threat. Simultaneously push c4 pawn toward promotion (c5-c6-c7-c8). Force Black to split between stopping the passer and delivering checkmate. Race c-pawn to c8 in 4 moves while defending against back-rank tactics. If c-pawn promotes, create perpetual checks or simplified fortress to counteract Black's massive material advantage. Critical: avoid Ra1+ back-rank mate (Kg1 mandatory); c-pawn must not be blockaded by Ne4-c5; timing race: White needs 4 moves to promote vs Black's 2-3 moves to deliver mate.
6. Candidates Candidates: c5 (Advances passed pawn toward c8 promotion in 4 moves. Forces Black to choose between blockading with Ne4-c5 or organizing mate. Core race strategy.) | Kg1 (Escapes back-rank threat Ra1+. Prevents h1 checkm…
- chess.js.legal_moves0ms
- llm.candidates46261ms · $0.0276
full reasoning
Candidates: c5 (Advances passed pawn toward c8 promotion in 4 moves. Forces Black to choose between blockading with Ne4-c5 or organizing mate. Core race strategy.) | Kg1 (Escapes back-rank threat Ra1+. Prevents h1 checkmate by enabling king escape to f2 after Ra1-h1+. Mandatory per plan.) | h4 (Advances secondary passed pawn. Creates additional promotion threat and broadens White's tactical options in endgame race.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: c5 — Launches the 4-move promotion race immediately. Forces Black to choose between blockading and organizing mate. Kg1 follows next move if Ra1+ comes—king escape can wait one tempo when the pawn race is cri…
- llm.reflect27275ms · $0.0102
full reasoning
Final pick: c5 — Launches the 4-move promotion race immediately. Forces Black to choose between blockading and organizing mate. Kg1 follows next move if Ra1+ comes—king escape can wait one tempo when the pawn race is critical.. Rejected: h2g1, h3h4.
9. Commit Commit c5 (c4c5).
52...a4stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: a5a4
- stockfish_uci1021ms
53.Kg1Haiku
1. Observe Halbzug 53, Weiss am Zug. Phase: Endspiel. Schwarz +20 Punkte. Legale Zuege: 4. Criticality: 0.20. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search9ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search4ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Kg1 (block back-rank Ra1+ threat). Push c6-c7-c8 in next 3 moves, racing passer to promotion. Force Black's rooks to choose: blockade c-pawn or deliver mate on g-file. If c-pawn reaches c8, perpetual chec…
- llm.plan30847ms · $0.0126
full reasoning
Phase: endgame. Kg1 (block back-rank Ra1+ threat). Push c6-c7-c8 in next 3 moves, racing passer to promotion. Force Black's rooks to choose: blockade c-pawn or deliver mate on g-file. If c-pawn reaches c8, perpetual checks or fortress hold draw despite material. Promote the c-pawn before Black delivers checkmate, creating either a new queen or a defensive fortress that holds against rooks. Critical: Ra1+ back-rank mate threat forces Kg1 immediately—only legal king move that defends; Ne4-c5 blockade is Black's simplest win; White loses all counterplay if knight reaches c5; c-pawn must reach c7 or c8 within 3 moves or White's position becomes untenable; Two rooks + bishop + knight + pawns can coordinate mate delivery AND blockade passer—White's only edge is tempo and if Black miscalculates the race.
6. Candidates Candidates: Kg1 (Blocks Ra1+ back-rank threat. Critical defensive move per plan. Only legal king move that adequately defends.) | c6 (Advances passed pawn toward promotion. Forces Black rooks to blockade or attack. Fits …
- chess.js.legal_moves0ms
- llm.candidates46261ms · $0.0267
full reasoning
Candidates: Kg1 (Blocks Ra1+ back-rank threat. Critical defensive move per plan. Only legal king move that adequately defends.) | c6 (Advances passed pawn toward promotion. Forces Black rooks to blockade or attack. Fits racing passer strategy.) | h4 (Supporting move preparing escape routes. Maintains White's initiative while pursuing c-pawn promotion in endgame race.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Kg1 — Critical defensive move securing the king from back-rank mating threats. Prevents Black's Ra1+ tactics while enabling the c-pawn to advance safely toward promotion. Only legal king move that adequately …
- llm.reflect57806ms · $0.0269
full reasoning
Final pick: Kg1 — Critical defensive move securing the king from back-rank mating threats. Prevents Black's Ra1+ tactics while enabling the c-pawn to advance safely toward promotion. Only legal king move that adequately defends the threatened back rank.. Rejected: c5c6, h3h4.
9. Commit Commit Kg1 (h2g1).
54...e5stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: e6e5
- stockfish_uci1006ms
55.c6Haiku
1. Observe Halbzug 55, Weiss am Zug. Phase: Endspiel. Schwarz +20 Punkte. Legale Zuege: 7. Criticality: 0.00. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search4ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Push c-pawn to c6, forcing Black to commit pieces to blockade or defense. Maintain king safety against Ra1+ checks while racing toward c7-c8 promotion. Either promote the c-pawn to a queen despite materia…
- llm.plan38282ms · $0.0177
full reasoning
Phase: endgame. Push c-pawn to c6, forcing Black to commit pieces to blockade or defense. Maintain king safety against Ra1+ checks while racing toward c7-c8 promotion. Either promote the c-pawn to a queen despite material deficit, or create a fortress/perpetual check scenario that holds against Black's superiority. Critical: Ra1+ back-rank mate threats force king into defensive positions; Ne4-c5 blockade is Black's primary stopping mechanism; c-pawn must reach c7 within 2-3 moves or White loses practical chances.
6. Candidates Candidates: c6 (Advances passed pawn to c6, forces Black knight blockade (Nc5/Nd6). Only move threatening c7-c8 promotion within 2 moves.) | h4 (Kingside pawn push creates h5-h6 ideas. Secondary plan if c-pawn blockaded;…
- chess.js.legal_moves0ms
- llm.candidates26846ms · $0.0111
full reasoning
Candidates: c6 (Advances passed pawn to c6, forces Black knight blockade (Nc5/Nd6). Only move threatening c7-c8 promotion within 2 moves.) | h4 (Kingside pawn push creates h5-h6 ideas. Secondary plan if c-pawn blockaded; maintains options for fortress hold.) | g3 (Alternative kingside advance, supports potential king mobility against Ra1+ checks. Keeps pawn tension alive.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: c6 — Advances passed pawn to c6, threatening c7-c8 promotion in two moves. Forces Black to commit knight to blockade (Nc5/Nd6). Only move creating concrete urgency.. Rejected: h3h4, g2g3.
- llm.reflect13917ms · $0.0044
9. Commit Commit c6 (c5c6).
56...Bxc6stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: d7c6
- stockfish_uci1006ms
57.h4Haiku
1. Observe Halbzug 57, Weiss am Zug. Phase: Endspiel. Schwarz +21 Punkte. Legale Zuege: 6. Criticality: 0.00. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search6ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search2ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Seek perpetual check or fortress pattern to delay/prevent mate despite massive material deficit (K+2P vs K+R+R+B+N+6P). If perpetual unavailable, position is resignable. King safety (avoid back-rank) is f…
- llm.plan47797ms · $0.0241
full reasoning
Phase: endgame. Seek perpetual check or fortress pattern to delay/prevent mate despite massive material deficit (K+2P vs K+R+R+B+N+6P). If perpetual unavailable, position is resignable. King safety (avoid back-rank) is first priority. Only realistic drawing try: perpetual check via rook file control or coordinated checks. Pawn pushes (h4-h5-h6) secondary and likely futile; explore only if they create tactical disruption. Critical: Ra1+ and Rb1 back-rank threats restrict king to g1-h1-h2 zone; one tempo mistake = mate; Knight e4 dominates central squares (f2, g3, g5) and cuts king's mobility; Black pawn chain (f6-e5-d4-a4) blocks g and h-pawn breakthrough, forcing slow progress; No standard fortress evident. Perpetual check only realistic defensive resource; if unavailable within 3-5 moves, accept material floor recommendation.
6. Candidates Candidates: h4 (Primary pawn push attempting fortress/stalemate pattern. Last realistic try for non-resignation outcome despite material deficit.) | Kh2 (King safety: escapes back-rank mating net (Ra1+, Rb1# threat). Pos…
- chess.js.legal_moves0ms
- llm.candidates20777ms · $0.0090
full reasoning
Candidates: h4 (Primary pawn push attempting fortress/stalemate pattern. Last realistic try for non-resignation outcome despite material deficit.) | Kh2 (King safety: escapes back-rank mating net (Ra1+, Rb1# threat). Positions king toward h-pawn advance continuation while avoiding corner trap.) | g3 (Solid defense: controls f4 and h4 squares, reduces knight e4 scope, maintains pawn tension while keeping king on relative g1 safety.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: h4 — Last fortress/breakthrough attempt pushing passed h-pawn despite K+2P vs K+2R+B+N+6P material deficit. No perpetual check available; position resignable absent this tactic.. Rejected: g1h2, g2g3.
- llm.reflect42756ms · $0.0196
9. Commit Commit h4 (h3h4).
58...d3stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: d4d3
- stockfish_uci1023ms
59.h5+Haiku
1. Observe Halbzug 59, Weiss am Zug. Phase: Endspiel. Schwarz +21 Punkte. Legale Zuege: 6. Criticality: 0.00. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search8ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search4ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Attempt h-pawn race (h5-h6-h7-h8) as only realistic counterplay; move king away from back-rank threats to h2. Black's material advantage makes this a spite try — position is resignable. White cannot defen…
- llm.plan39863ms · $0.0189
full reasoning
Phase: endgame. Attempt h-pawn race (h5-h6-h7-h8) as only realistic counterplay; move king away from back-rank threats to h2. Black's material advantage makes this a spite try — position is resignable. White cannot defend K+2P against K+2R+B+N+6P. Pawn race to h8 is too slow; Black's a4, d3 pawns and perfect piece coordination force mate in ~10-15 moves. Critical: back-rank threats (Ra1+, Rb1) force king to h2 exile; Ne4 dominates f2/g3 — king boxed in; Black's advanced a4/d3/e5 pawns closer to promotion; no forcing moves available (no checks, no piece activity); material deficit (+20) insurmountable without counterplay.
6. Candidates Candidates: h5+ (Initiates h-pawn race; forces Black's king to respond; only forcing move available this position.) | Kh2 (Moves king away from back-rank threats (Ra1+/Rb1) to planned square per strategy.) | g3 (Supports…
- chess.js.legal_moves0ms
- llm.candidates33787ms · $0.0186
full reasoning
Candidates: h5+ (Initiates h-pawn race; forces Black's king to respond; only forcing move available this position.) | Kh2 (Moves king away from back-rank threats (Ra1+/Rb1) to planned square per strategy.) | g3 (Supports h-pawn push; creates luft; prepares future h6-h7-h8 sequence.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: h5+ — Only forcing move; check forces Black's king to respond; advances h-pawn race—sole counterplay. Buys tempo against passive alternatives.. Rejected: g1h2, g2g3.
- llm.reflect19396ms · $0.0067
9. Commit Commit h5+ (h4h5).
60...Kxh5stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: g6h5
- stockfish_uci1002ms
61.g4+Haiku
1. Observe Halbzug 61, Weiss am Zug. Phase: Endspiel. Schwarz +22 Punkte. Legale Zuege: 5. Criticality: 0.20. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search7ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search2ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Escape King to h2 (avoid Ra1+/Rb1 mate); push g-pawn as spite counterplay. Realistically: forced mate in ~12-15 moves. Objective: delay and force Black to work, not achieve a draw. Rearrange King to h-fil…
- llm.plan42255ms · $0.0199
full reasoning
Phase: endgame. Escape King to h2 (avoid Ra1+/Rb1 mate); push g-pawn as spite counterplay. Realistically: forced mate in ~12-15 moves. Objective: delay and force Black to work, not achieve a draw. Rearrange King to h-file and push g-pawn; Black's mating attack (d3/a4 promotion threats, Ne4/Rooks) checkmates faster than White queens. No defensive setup exists. Critical: Ne4 controls g3+f2, blocks King escape to f-file; Back-rank Rooks (Ra1/Rb1) deliver mate if King stays on g1; Black d3+a4 pawns promote in 2-3 moves—outrace White's g-pawn; White has zero defensive pieces; this is a pure race White loses.
6. Candidates Candidates: g4+ (Fastest g-pawn advance with tempo; checks enemy king, forces move, races toward queening) | g3 (Steady pawn push without check; advances toward promotion threat despite slower tempo) | Kh2 (Escapes back …
- chess.js.legal_moves0ms
- llm.candidates22443ms · $0.0082
full reasoning
Candidates: g4+ (Fastest g-pawn advance with tempo; checks enemy king, forces move, races toward queening) | g3 (Steady pawn push without check; advances toward promotion threat despite slower tempo) | Kh2 (Escapes back rank per plan; removes king from Ra1/Rb1 mate threats, activates h-file)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: g4+ — Tempo + pawn advance in one move. Check forces Black King to move; g-pawn races toward promotion while Black is delayed. In a pure race (mate vs queening), gaining tempo is critical.. Rejected: g2g3, g1…
- llm.reflect19919ms · $0.0071
full reasoning
Final pick: g4+ — Tempo + pawn advance in one move. Check forces Black King to move; g-pawn races toward promotion while Black is delayed. In a pure race (mate vs queening), gaining tempo is critical.. Rejected: g2g3, g1h2.
9. Commit Commit g4+ (g2g4).
62...Kxg4stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: h5g4
- stockfish_uci141ms
63.Kh1Haiku
1. Observe Halbzug 63, Weiss am Zug. Phase: Endspiel. Schwarz +23 Punkte. Legale Zuege: 2. Criticality: 0.20. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search10ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search2ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Kh2 for relative safety; avoid back-rank Ra1+/Rb1+ and Knight discovery on f2. Survive 3-5 moves without mating blow. Position is forced loss (White King only, Black Ra8+Rb2+Bc6+Ne4+6 pawns). Objective: d…
- llm.plan41917ms · $0.0208
full reasoning
Phase: endgame. Kh2 for relative safety; avoid back-rank Ra1+/Rb1+ and Knight discovery on f2. Survive 3-5 moves without mating blow. Position is forced loss (White King only, Black Ra8+Rb2+Bc6+Ne4+6 pawns). Objective: delay mate through King evasion; force Black to execute attack patiently. Critical: Back-rank mate: Ra1+/Rb1+ is instant death if Kg1 lingers or Kf1 allows Ra1+; Knight on e4 locks f2/g3; forces h2 as only safe harbor; Pawn promotion: d3+a4 queen in 2-3 moves, accelerates mating net; Zero defensive resources—survival is passive evasion only.
6. Candidates Candidates: Kh1 (Seeks corner shelter; avoids back-rank Ra1+ checks; delays mate through spatial evasion) | Kf1 (Centralizes King; risks Ra1+ back-rank mate; exposes to accelerated attack by Black pieces)
- chess.js.legal_moves0ms
- llm.candidates15379ms · $0.0054
7. Verify Alle 2 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Kh1 — Retreat to corner maintains h2 escape after Ra1+ Kh2; stays outside Ne4 coordination zone. Kf1 forces Ke2, accelerating mate.. Rejected: g1f1.
- llm.reflect35301ms · $0.0186
9. Commit Commit Kh1 (g1h1).
64...d2stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: d3d2
- stockfish_uci40ms
65.Kg2Haiku
1. Observe Halbzug 65, Weiss am Zug. Phase: Endspiel. Schwarz +23 Punkte. Legale Zuege: 3. Criticality: 0.20. AUFGABE empfohlen (Material-Floor).
- material-counter0ms
2. Recall Position recall: 5 similar position(s) found (limit=5).
- nex_search19ms
3. Recall Opponent 3 pattern(s) found for Stockfish-class engine (tag=chess-engine-style).
- nex_entity_search3ms
4. Research middlegame/endgame — research not relevant when both tools off.
5. Plan Phase: endgame. Delay mate for 3–5 moves by King evasion. Move away from back rank (ranks 1–2) to avoid Ra1+/Rb1+. Accept d2 promotion as inevitable; force Black to execute mating attack with Queen + Rooks patiently. For…
- llm.plan46541ms · $0.0239
full reasoning
Phase: endgame. Delay mate for 3–5 moves by King evasion. Move away from back rank (ranks 1–2) to avoid Ra1+/Rb1+. Accept d2 promotion as inevitable; force Black to execute mating attack with Queen + Rooks patiently. Forced loss—White has only King. Survive via passive evasion until Black delivers mate with promoted Queen and two Rooks in 3–5 moves. Critical: d2 pawn promotion in 1–2 moves accelerates mating net; back-rank mate (Ra1+ or Rb1+) is instant death if King stays on ranks 1 or g1; Ne4 locks f2/g3; restricts King to h-file mobility only.
6. Candidates Candidates: Kg2 (Moves away from rank 1 backrank threat. Maintains g-file/h-file mobility for shuttle evasion. Best fits delayed mate strategy.) | Kh2 (King to rank 2, evades immediate Ra1+/Rb1+. Allows h-file shuttling …
- chess.js.legal_moves0ms
- llm.candidates38784ms · $0.0195
full reasoning
Candidates: Kg2 (Moves away from rank 1 backrank threat. Maintains g-file/h-file mobility for shuttle evasion. Best fits delayed mate strategy.) | Kh2 (King to rank 2, evades immediate Ra1+/Rb1+. Allows h-file shuttling (h2-h1-h3). Fits passive evasion plan.) | Kg1 (Stays on rank 1 but flexible. Allows f-file/h-file oscillation (f1-g1-h1). Third-best fit vs rank-2 options.)
7. Verify Alle 3 Kandidaten legal. cloud_eval disabled (default).
- chess.js.legal_recheck0ms
8. Reflect Final pick: Kg2 — Moves King off rank 1 (avoids Ra1+/Rb1+ back-rank mate), maintains g/h-file shuttle mobility, maximizes delayed mate evasion flexibility.. Rejected: h1h2, h1g1.
- llm.reflect34248ms · $0.0173
9. Commit Commit Kg2 (h1g2).
66...d1=Q#stockfish-1700
- 1. Observe— missing —
- 2. Recall Position— missing —
- 3. Recall Opponent— missing —
- 4. Research— missing —
- 5. Plan— missing —
- 6. Candidates— missing —
- 7. Verify— missing —
- 8. Reflect— missing —
9. Commit Engine stockfish-1700 (stockfish UCI_Elo 1700) pick: d2d1q
- stockfish_uci21ms
PGN
PGN anzeigen
[Event "Calibration chess-haiku-tm vs stockfish-1700"] [Site "?"] [Date "2026-05-29"] [Round "?"] [White "chess-haiku-tm"] [Black "stockfish-1700"] [Result "*"] 1. e4 e6 2. d4 Nf6 3. Nf3 Nxe4 4. Ne5 d5 5. Bb5+ Nd7 6. Bxd7+ Bxd7 7. Nxf7 Kxf7 8. Qf3+ Kg8 9. Qxf8+ Qxf8 10. O-O Qf6 11. Bg5 Qxd4 12. Nc3 Nxg5 13. Rfd1 Qh4 14. Ne4 Nxe4 15. Rd4 Qxf2+ 16. Kh1 Qxd4 17. Rf1 Qf6 18. Rxf6 gxf6 19. a4 Kg7 20. a5 Kg6 21. a6 bxa6 22. h3 a5 23. Kg1 Rhb8 24. Kh2 Rxb2 25. c4 d4 26. c5 a4 27. Kg1 e5 28. c6 Bxc6 29. h4 d3 30. h5+ Kxh5 31. g4+ Kxg4 32. Kh1 d2 33. Kg2 d1=Q# *