[Event "LLM Chess"] [Site "https://lichess.org/Se1nWShl"] [Date "2025.03.19"] [Round "-"] [White "GPT-4o-mini"] [Black "GPT-4 Turbo"] [Result "0-1"] [GameId "Se1nWShl"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "C78"] [Opening "Ruy Lopez: Morphy Defense"] [Termination "Unknown"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... e5 { [%eval 0.21] } 2. Nf3 { [%eval 0.13] } 2... Nc6 { [%eval 0.21] } 3. Bb5 { [%eval 0.08] } 3... a6 { [%eval 0.21] } 4. Ba4 { [%eval 0.12] } 4... Nf6 { [%eval 0.18] } 5. O-O { [%eval 0.13] } { C78 Ruy Lopez: Morphy Defense } 5... b5 { [%eval 0.3] } 6. Bb3 { [%eval 0.29] } 6... Be7 { [%eval 0.38] } 7. d4 { [%eval 0.33] } 7... exd4? { (0.33 → 1.73) Mistake. d6 was best. } { [%eval 1.73] } (7... d6 8. c3 Bg4 9. h3 Bh5 10. a4 Qc8 11. Be3 O-O 12. Re1) 8. e5 { [%eval 1.88] } 8... Ne4 { [%eval 1.93] } 9. Bd5 { [%eval 2.15] } 9... Nc5 { [%eval 2.02] } 10. Nxd4 { [%eval 1.98] } 10... Bb7 { [%eval 1.97] } 11. Nf5 { [%eval 1.9] } 11... O-O { [%eval 2.11] } 12. Qg4 { [%eval 1.58] } 12... g6 { [%eval 1.79] } 13. Nh6+ { [%eval 1.6] } 13... Kh8 { [%eval 2.05] } 14. Nxf7+ { [%eval 1.87] } 14... Rxf7 { [%eval 1.99] } 15. Bxf7 { [%eval 2.06] } 15... Nxe5 { [%eval 2.04] } 16. Qd4 { [%eval 1.98] } 16... Bf6 { [%eval 1.98] } 17. f4?? { (1.98 → -7.68) Blunder. Qxc5 was best. } { [%eval -7.68] } (17. Qxc5 d6 18. Qe3 Nxf7 19. Bd2 d5 20. a4 d4 21. Qh3 Kg7 22. c3 Qd5) 17... Nxf7?? { (-7.68 → 0.77) Blunder. Nf3+ was best. } { [%eval 0.77] } (17... Nf3+ 18. Kh1 Nxd4 19. Nc3 Nce6 20. Be3 Nf5 21. Bf2 Qe7 22. Bxe6 Qxe6 23. Rad1) 18. Qxf6+?? { (0.77 → -7.55) Blunder. Qxc5 was best. } { [%eval -7.55] } (18. Qxc5 Nd6 19. c3 Nf5 20. Nd2 Bh4 21. Qe5+ Bf6 22. Qe2 Qf8 23. Nf3 Re8) 18... Qxf6 { [%eval -7.63] } 19. f5? { (-7.63 → Mate in 13) Checkmate is now unavoidable. Nc3 was best. } { [%eval #-13] } (19. Nc3 Kg8 20. Be3 Re8 21. Nd5 Bxd5 22. Bxc5 Qc6 23. Bd4 Bxg2 24. Rae1 Be4) 19... gxf5? { (Mate in 13 → -8.21) Lost forced checkmate sequence. Qd4+ was best. } { [%eval -8.21] } (19... Qd4+ 20. Kh1 Qd5 21. Rg1 Ne4 22. Be3 Qxf5 23. Bd4+ Kg8 24. Re1 Qd5 25. Re2) 20. Rxf5? { (-8.21 → Mate in 7) Checkmate is now unavoidable. Be3 was best. } { [%eval #-7] } (20. Be3 Qg6 21. Rf2 Ne6 22. Nc3 Ne5 23. Ne2 Ng4 24. Nf4 Nxf4 25. Bd4+ Kg8) 20... Qxf5 { [%eval -10.99] } 21. Bd2?! { (-10.99 → Mate in 5) Checkmate is now unavoidable. Nd2 was best. } { [%eval #-5] } (21. Nd2 Qg6 22. Nf3 Bxf3 23. g3 Kg8 24. Bd2 Ne4 25. Be3 Re8 26. Bd4 Ne5) 21... Ne6?! { (Mate in 5 → -12.95) Lost forced checkmate sequence. Rg8 was best. } { [%eval -12.95] } (21... Rg8 22. g3 Qf3 23. Bc3+ Rg7 24. Bxg7+ Kxg7 25. Nd2 Qg2#) 22. Nc3?! { (-12.95 → Mate in 6) Checkmate is now unavoidable. Bc3+ was best. } { [%eval #-6] } (22. Bc3+ Kg8 23. Nd2 Qg6 24. g3 Nfg5 25. Bg7 Qxg7 26. Kf1 Nd4 27. Ne4 Bxe4) 22... Rg8 { [%eval #-5] } 23. Rf1 { [%eval #-2] } 23... Qg4?! { (Mate in 2 → -10.38) Lost forced checkmate sequence. Rxg2+ was best. } { [%eval -10.38] } (23... Rxg2+ 24. Kh1 Qxf1#) 24. g3 { [%eval -10.24] } 24... Nd4 { [%eval -9.25] } 25. Bf4 { [%eval -9.18] } 25... Ne6 { [%eval -9.14] } 26. Be5+? { (-9.14 → Mate in 8) Checkmate is now unavoidable. Bxc7 was best. } { [%eval #-8] } (26. Bxc7 Qd4+ 27. Rf2 Qxf2+ 28. Kxf2 Nxc7 29. Ne2 Nd5 30. c4 bxc4 31. h3 Nf6) 26... Nxe5 { [%eval #-8] } 27. Nd5 { [%eval #-4] } 27... Qe2 { [%eval #-4] } 28. Nf4 { [%eval #-2] } 28... Nxf4 { [%eval #-1] } 29. Rd1 { [%eval #-1] } 29... Qe3+ { [%eval #-1] } 30. Kf1 { [%eval #-1] } 30... Nf3 { [%eval #-1] } 31. Rd3 { [%eval #-1] } 31... Qe1# { Black wins. } 0-1