lichess dev

[Event "Academie22 Arena"] [Site "http://chess-academy.net/NlmYydx4"] [Date "2025.12.20"] [Round "-"] [White "cobraking79"] [Black "MATEI11"] [Result "1-0"] [UTCDate "2025.12.20"] [UTCTime "10:15:18"] [WhiteElo "1567"] [BlackElo "1181"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-5"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C40"] [Opening "Gunderam Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Qe7? { (0.22 → 1.37) Mistake. Best move was Nc6. } { C40 Gunderam Defense } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. d4?! { (1.37 → 0.73) Inaccuracy. Best move was Bc4. } (3. Bc4 Nf6 4. O-O d6 5. Nc3 c6 6. d4 Bg4 7. Be3 Nbd7 8. h3 Bh5 9. Bb3 Bg6) 3... d6?! { (0.73 → 1.33) Inaccuracy. Best move was exd4. } (3... exd4 4. Be2) 4. Bg5?! { (1.33 → 0.80) Inaccuracy. Best move was Bc4. } (4. Bc4 c6) 4... Qe6? { (0.80 → 1.98) Mistake. Best move was Nf6. } (4... Nf6 5. Nc3) 5. d5? { (1.98 → 0.36) Mistake. Best move was dxe5. } (5. dxe5) 5... Qd7? { (0.36 → 1.50) Mistake. Best move was Qg6. } (5... Qg6 6. Qe2 Nf6 7. Nc3 h6 8. Bxf6 Qxf6 9. h4 Be7 10. Nd2 O-O 11. g3 a6 12. a4) 6. Nc3? { (1.50 → 0.48) Mistake. Best move was c4. } (6. c4 Be7 7. Be3 Nf6 8. Nc3 c6 9. h3 Qc7 10. Bd3 O-O 11. a3 Nbd7 12. O-O Nc5) 6... Qb5?? { (0.48 → 14.78) Blunder. Best move was c6. } (6... c6 7. Bc4 h6 8. Be3 Nf6 9. O-O Be7 10. Qe2 O-O 11. h3 cxd5 12. Nxd5 Nxd5 13. Bxd5) 7. Bxb5+ Bd7 8. Bxd7+ Kxd7 9. Nh4 c5 10. Nf5 a5 11. a3 Ra6 12. f4 f6 13. Bh4 exf4 14. Nb5 Rb6 15. c4 a4 16. Qxa4 Ra6 17. Qb3 g6 18. Ng3 Nc6 19. dxc6+ Kxc6 20. Rd1 Be7 21. Rf1 Kb6?! { (20.51 → Mate in 3) Checkmate is now unavoidable. Best move was Kd7. } (21... Kd7 22. Ne2) 22. Rf3?! { (Mate in 3 → 25.39) Lost forced checkmate sequence. Best move was Nxd6+. } (22. Nxd6+ Kc7 23. Qxb7+ Kd8 24. Qc8#) 22... Nh6?! { (25.39 → Mate in 3) Checkmate is now unavoidable. Best move was Kc6. } (22... Kc6 23. Rxf4) 23. Rxf4?! { (Mate in 3 → 29.71) Lost forced checkmate sequence. Best move was Nxd6+. } (23. Nxd6+ Kc7 24. Qxb7+ Kd8 25. Qc8#) 23... Bd8?! { (29.71 → Mate in 2) Checkmate is now unavoidable. Best move was Kc6. } (23... Kc6 24. Bxf6) 24. Rxd6+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Nxd6+. } (24. Nxd6+ Kc7 25. Qxb7#) 24... Ka5 25. Rf3?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qc3+. } (25. Qc3+ Ka4 26. b3#) 25... Re8 26. Ne2?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qc3+. } (26. Qc3+ Ka4 27. b3#) 26... Rxe4 27. Qd3?! { (Mate in 2 → Mate in 6) Not the best checkmate sequence. Best move was Qc3+. } (27. Qc3+ Ka4 28. b3#) 27... Rxh4 28. Nbc3?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qd2+. } (28. Qd2+ Ka4 29. b3#) 28... Rxh2 29. Rxd8?! { (Mate in 3 → Mate in 7) Not the best checkmate sequence. Best move was b4+. } (29. b4+ cxb4 30. Qd5+ b5 31. Qxb5#) 29... Rh1+ 30. Kf2 Re6 31. Ra8+ Kb6 32. Na4+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qd8+. } (32. Qd8+ Kc6 33. Rc8#) 32... Kc6 33. Nec3?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Rc8#. } (33. Rc8#) 33... Ra1 34. Rc8# { White wins by checkmate. } 1-0