lichess dev

[Event "Black12 Arena"] [Site "http://chess-academy.net/5zg3uNGe"] [Date "2025.12.18"] [Round "-"] [White "Lucaous28"] [Black "Gabisor"] [Result "0-1"] [UTCDate "2025.12.18"] [UTCTime "17:22:08"] [WhiteElo "1406"] [BlackElo "1866"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "420+0"] [ECO "C42"] [Opening "Petrov's Defense #2"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nf6?! { (0.22 → 0.73) Inaccuracy. Best move was Nc6. } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. Nxe5 { C42 Petrov's Defense #2 } Qe7 4. d4?! { (0.90 → 0.31) Inaccuracy. Best move was Nf3. } (4. Nf3 Nxe4 5. Be2 d5 6. O-O Nc6 7. d3 Nf6 8. d4 a6) 4... d6? { (0.31 → 1.45) Mistake. Best move was Nc6. } (4... Nc6 5. Nc3 Nxe5 6. dxe5 Qxe5 7. f4 Qe6 8. Qd4 b6 9. Bc4) 5. f4?? { (1.45 → -3.12) Blunder. Best move was Nf3. } (5. Nf3) 5... dxe5 6. dxe5?! { (-2.62 → -3.47) Inaccuracy. Best move was fxe5. } (6. fxe5 Nxe4) 6... Nxe4 7. Bc4?? { (-3.29 → -8.93) Blunder. Best move was Qf3. } (7. Qf3 f5 8. Nd2 Nc6 9. c3 Nxd2 10. Bxd2 Bd7 11. Be3 O-O-O 12. O-O-O Qf7 13. Rd5 g5) 7... Qh4+ 8. g3 Nxg3 9. hxg3 Qxh1+ 10. Kd2 Qxd1+?! { (-8.65 → -8.00) Inaccuracy. Best move was Qg2+. } (10... Qg2+ 11. Kc3 Qxg3+ 12. Qd3 Qg6 13. b3 Bf5 14. Qf1 Nc6 15. Be3 O-O-O 16. a3 Na5 17. Qe2) 11. Kxd1 Bg4+ 12. Ke1 Nc6 13. Be3 Nb4 14. c3? { (-7.60 → -13.04) Mistake. Best move was Na3. } (14. Na3) 14... Nc2+ 15. Kd2 Nxa1 16. Na3 Bxa3 17. bxa3 Bf5 18. Kc1 Nc2 19. Bc5 O-O-O 20. Be7 Rd7 21. Bg5 h6 22. Bh4 g5 23. fxg5 hxg5 24. Bxg5?! { (-22.01 → Mate in 7) Checkmate is now unavoidable. Best move was e6. } (24. e6 fxe6) 24... Rh1+ 25. Kb2 Rdd1?! { (Mate in 6 → -23.94) Lost forced checkmate sequence. Best move was Ne3. } (25... Ne3 26. Bd3 Rxd3 27. a4 Rb1+ 28. Kxb1 Rd1+ 29. Kb2 Rb1+ 30. Ka3 Nc4#) 26. Bxf7?! { (-23.94 → Mate in 1) Checkmate is now unavoidable. Best move was Bd3. } (26. Bd3 Bxd3) 26... Rb1# { Black wins by checkmate. } 0-1