[Event "ActionModelAI Arena"] [Site "https://lichess.org/FG95To1i"] [Date "2026.05.28"] [Round "-"] [White "cantfind_om4r"] [Black "Ox404error"] [Result "1-0"] [GameId "FG95To1i"] [UTCDate "2026.05.28"] [UTCTime "16:00:30"] [WhiteElo "1499"] [BlackElo "1342"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "180+0"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... e5 { [%eval 0.22] } 2. Nf3 { [%eval 0.18] } 2... Nf6 { [%eval 0.34] } 3. Nxe5 { [%eval 0.29] } 3... d6 { [%eval 0.3] } { C42 Petrov's Defense } 4. f3?? { (0.30 → -3.55) Blunder. Nf3 was best. } { [%eval -3.55] } (4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 Nd7) 4... dxe5 { [%eval -3.54] } 5. c3 { [%eval -4.09] } 5... Nc6 { [%eval -3.7] } 6. d3 { [%eval -3.75] } 6... Be6 { [%eval -3.11] } 7. Be3 { [%eval -3.05] } 7... g6 { [%eval -3.01] } 8. Qd2 { [%eval -3.05] } 8... Qd7 { [%eval -2.47] } 9. d4 { [%eval -2.54] } 9... exd4 { [%eval -2.62] } 10. cxd4 { [%eval -2.44] } 10... O-O-O { [%eval -2.44] } 11. Nc3?! { (-2.44 → -3.58) Inaccuracy. Bb5 was best. } { [%eval -3.58] } (11. Bb5 Bb4 12. Nc3 a6 13. Bxc6 Qxc6 14. O-O Bxc3 15. bxc3 Bc4 16. Rfe1 Rhe8) 11... b6?? { (-3.58 → 0.44) Blunder. Nxd4 was best. } { [%eval 0.44] } (11... Nxd4 12. O-O-O c5 13. Kb1 Qc7 14. Qc1 Be7 15. Na4 Nc6 16. Bb5 Rxd1 17. Rxd1) 12. O-O-O? { (0.44 → -0.79) Mistake. Bb5 was best. } { [%eval -0.79] } (12. Bb5 Qe8 13. O-O Bd7 14. d5 Ne5 15. Be2 Kb8 16. Bd4 Bc8 17. a4 Bb4) 12... Bb4?! { (-0.79 → 0.10) Inaccuracy. Nb4 was best. } { [%eval 0.1] } (12... Nb4 13. a3 Na2+ 14. Nxa2 Bxa2 15. Qc2 Qe6 16. Bf4 Bd6 17. e5 Bf8 18. exf6) 13. Bb5 { [%eval 0.0] } 13... g5?? { (0.00 → 3.32) Blunder. Qd6 was best. } { [%eval 3.32] } (13... Qd6 14. d5 Bxd5 15. exd5 Bxc3 16. Qxc3 Nb4 17. Qa3 Kb8 18. Bd4 Qf4+ 19. Be3) 14. d5 { [%eval 3.29] } 14... a6 { [%eval 4.12] } 15. Bxc6 { [%eval 4.15] } 15... Qxc6 { [%eval 4.05] } 16. dxc6 { [%eval 3.95] } 16... Rxd2 { [%eval 4.14] } 17. Rxd2 { [%eval 4.16] } 17... Bxc3 { [%eval 4.49] } 18. bxc3 { [%eval 4.5] } 18... Bxa2?! { (4.50 → 6.93) Inaccuracy. Rg8 was best. } { [%eval 6.93] } (18... Rg8 19. g4 Ne8 20. e5 Bc4 21. h4 gxh4 22. Rxh4 Rg6 23. Rh6 Bb5 24. Rxh7) 19. Rxa2 { [%eval 6.94] } 19... Rd8 { [%eval 7.25] } 20. Rxa6 { [%eval 6.62] } 20... b5?? { (6.62 → Mate in 1) Checkmate is now unavoidable. Kb8 was best. } { [%eval #1] } (20... Kb8 21. Rd1 Rxd1+ 22. Kxd1 h6 23. c4 Ng8 24. c5 b5 25. Kd2 Ne7 26. Bd4) 21. Ra8# { White wins by checkmate. } 1-0