lichess dev

[Event "Classical Shield Arena"] [Site "http://chess-academy.net/zaXSJnxz"] [Date "2024.11.08"] [Round "-"] [White "FFFFFFF"] [Black "Okorokov-Kirill600"] [Result "1-0"] [UTCDate "2024.11.08"] [UTCTime "15:56:47"] [WhiteElo "1608"] [BlackElo "1447"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "A50"] [Opening "Mexican Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 Nf6 2. c4 Nc6?! { (0.25 → 0.99) Inaccuracy. Best move was e6. } { A50 Mexican Defense } (2... e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 exd5 6. Bg5 Be7 7. dxc5) 3. d5?! { (0.99 → 0.13) Inaccuracy. Best move was Nc3. } (3. Nc3 e5 4. d5 Nb8 5. Nf3 e4 6. Nd4 Bb4 7. Bd2 O-O 8. e3 d6 9. Be2 c5) 3... e5?? { (0.13 → 3.60) Blunder. Best move was Ne5. } (3... Ne5 4. Nc3 e6 5. Nf3 Bd6 6. e4 exd5 7. cxd5 O-O 8. Bd3 Re8 9. O-O Nxf3+ 10. Qxf3) 4. dxc6 Bb4+ 5. Bd2 Bc5? { (3.04 → 4.40) Mistake. Best move was Bxd2+. } (5... Bxd2+) 6. cxb7?! { (4.40 → 3.72) Inaccuracy. Best move was cxd7+. } (6. cxd7+) 6... Ne4? { (3.72 → 5.37) Mistake. Best move was Bxb7. } (6... Bxb7 7. e3) 7. e3? { (5.37 → 4.29) Mistake. Best move was Qb3. } (7. Qb3 Bxb7 8. Qxb7 Bxf2+ 9. Kd1 c6 10. e3 Rb8 11. Qa6 Rxb2 12. Nf3 O-O 13. Bd3 Nxd2) 7... Bxb7 8. Nc3?! { (4.75 → 4.25) Inaccuracy. Best move was Nf3. } (8. Nf3 Qe7 9. Nc3 f5 10. Be2 O-O 11. O-O a5 12. Nd5 Qd6 13. Qc2 c6 14. Nc3 Nxd2) 8... Qh4?! { (4.25 → 4.99) Inaccuracy. Best move was Nxd2. } (8... Nxd2) 9. Nxe4 Qxe4 10. Nf3 O-O-O? { (4.56 → 5.80) Mistake. Best move was a5. } (10... a5 11. Bc3 d6 12. Be2 f6 13. Nxe5 Qxg2 14. Bf3 Bxf3 15. Qxf3 Qxf3 16. Nxf3 Kf7 17. Ke2) 11. b4 Bd6? { (5.53 → 7.07) Mistake. Best move was Be7. } (11... Be7 12. Qb3 Kb8 13. Bd3 Qg4 14. Nxe5 Qxg2 15. O-O-O Qh3 16. c5 Rhg8 17. c6 Bxc6 18. Nxc6+) 12. c5?! { (7.07 → 6.46) Inaccuracy. Best move was Qb3. } (12. Qb3) 12... Be7 13. a4?! { (6.42 → 5.56) Inaccuracy. Best move was Qb3. } (13. Qb3 g5) 13... d6?! { (5.56 → 6.41) Inaccuracy. Best move was h5. } (13... h5) 14. cxd6? { (6.41 → 4.92) Mistake. Best move was Rc1. } (14. Rc1) 14... Bxd6? { (4.92 → 6.32) Mistake. Best move was Rxd6. } (14... Rxd6 15. Qb3) 15. Qb1? { (6.32 → 5.31) Mistake. Best move was Qb3. } (15. Qb3 g5) 15... Qd5? { (5.31 → 6.85) Mistake. Best move was Qxb1+. } (15... Qxb1+ 16. Rxb1) 16. Be2 g6? { (6.11 → 7.43) Mistake. Best move was g5. } (16... g5 17. a5) 17. Bc3? { (7.43 → 6.15) Mistake. Best move was O-O. } (17. O-O Qe6 18. e4 f5 19. Rc1 Kb8 20. a5 Bxe4 21. Ng5 Bxb1 22. Nxe6 Be4 23. Nxd8 Rxd8) 17... f6? { (6.15 → 7.18) Mistake. Best move was Qe4. } (17... Qe4 18. Qxe4) 18. a5? { (7.18 → 6.12) Mistake. Best move was O-O. } (18. O-O) 18... Qc4?? { (6.12 → 19.16) Blunder. Best move was Qe4. } (18... Qe4) 19. Bxc4 e4 20. Nd4 c5 21. Be6+ Kb8?! { (28.48 → Mate in 17) Checkmate is now unavoidable. Best move was Kc7. } (21... Kc7 22. Nb5+) 22. bxc5 Bxc5 23. a6 Kc7?! { (34.58 → Mate in 5) Checkmate is now unavoidable. Best move was Bb6. } (23... Bb6 24. axb7) 24. Qxb7+ Kd6 25. Qc6+ Ke7 26. Qxc5+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qc7+. } (26. Qc7+ Rd7 27. Qxd7+ Kf8 28. Qf7#) 26... Rd6 27. Bb4 Rd8 28. Bb3?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Qc7+. } (28. Qc7+ Rd7 29. Bxd6+ Ke8 30. Qxd7#) 28... h5 29. Qc7+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qd5. } (29. Qd5 Rd7 30. Nc6+ Ke8 31. Qg8#) 29... Rd7 30. Bxd6+ Ke8 31. Qc8+ Rd8 32. Qe6# { White wins by checkmate. } 1-0