lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/10DhA2K2"] [Date "2021.03.12"] [Round "-"] [White "stefanos12"] [Black "nicolaudavid"] [Result "1-0"] [UTCDate "2021.03.12"] [UTCTime "17:20:26"] [WhiteElo "1445"] [BlackElo "1355"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-105"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C23"] [Opening "Bishop's Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 { C23 Bishop's Opening } f6? { (-0.16 → 2.04) Mistake. Best move was Nf6. } (2... Nf6 3. Nc3 Bc5 4. Nf3 d6 5. d3 c6 6. O-O O-O 7. a4) 3. g4? { (2.04 → -0.91) Mistake. Best move was d4. } (3. d4) 3... d6? { (-0.91 → 0.40) Mistake. Best move was Nc6. } (3... Nc6 4. Nf3) 4. g5? { (0.40 → -1.22) Mistake. Best move was Nc3. } (4. Nc3 Nc6) 4... fxg5?! { (-1.22 → -0.32) Inaccuracy. Best move was Nc6. } (4... Nc6 5. d3 fxg5 6. h3 Nf6 7. Bxg5 Na5 8. Nc3 c6 9. Bb3 Nxb3 10. axb3 Be7 11. Bxf6) 5. Qf3? { (-0.32 → -1.89) Mistake. Best move was d4. } (5. d4 g4) 5... Qf6? { (-1.89 → -0.78) Mistake. Best move was Nf6. } (5... Nf6) 6. Qxf6? { (-0.78 → -1.92) Mistake. Best move was Nc3. } (6. Nc3 Ne7) 6... gxf6?! { (-1.92 → -0.99) Inaccuracy. Best move was Nxf6. } (6... Nxf6 7. d3 h6 8. Nc3 Be7 9. Be3 Nc6 10. a3 Bd7 11. Nge2 O-O-O 12. d4 exd4 13. Nxd4) 7. Nf3? { (-0.99 → -2.05) Mistake. Best move was Nc3. } (7. Nc3 Ne7 8. h4 g4 9. Nge2 Bd7 10. d4 Nbc6 11. Be3 f5 12. Bg5 h5 13. O-O-O Bh6) 7... f5? { (-2.05 → -0.15) Mistake. Best move was Bg4. } (7... Bg4 8. Be2) 8. Nxg5 h6? { (-0.52 → 0.83) Mistake. Best move was Nf6. } (8... Nf6 9. Nc3 fxe4 10. Ngxe4 Nxe4 11. Nxe4 Be7 12. Rg1 Nc6 13. c3 Bf5 14. d3 O-O-O 15. Bd5) 9. Nf7? { (0.83 → -0.37) Mistake. Best move was Ne6. } (9. Ne6 Bxe6 10. Bxe6 Nc6 11. Bxf5 Nd4 12. Bg6+ Kd7 13. Na3 h5 14. Bf7 Ne7 15. d3 Nf3+) 9... Ke7?? { (-0.37 → 7.84) Blunder. Best move was Rh7. } (9... Rh7 10. Nxd6+) 10. Nxh8 Nf6 11. Nf7?? { (7.78 → 3.41) Blunder. Best move was Ng6+. } (11. Ng6+ Ke8 12. Nc3 c6 13. Nxf8 Kxf8 14. Rg1 b5 15. Rg6 Ke7 16. Bf1 b4 17. Ne2 fxe4) 11... Ke8? { (3.41 → 5.79) Mistake. Best move was d5. } (11... d5 12. exd5 Kxf7 13. Nc3 Bd6 14. Nb5 Na6 15. d4 Nb4 16. Bb3 exd4 17. Nxd6+ cxd6 18. Bd2) 12. Nxh6? { (5.79 → 3.20) Mistake. Best move was Nc3. } (12. Nc3 Nc6) 12... Bxh6 13. O-O? { (3.27 → 1.63) Mistake. Best move was Rg1. } (13. Rg1 Nc6 14. Na3 Ne7 15. Nb5 Kd8 16. d4 Bxc1 17. Rxc1 exd4 18. exf5 Nxf5 19. Bd3 a6) 13... Nxe4 14. d3 Ng5?! { (1.49 → 2.00) Inaccuracy. Best move was Bxc1. } (14... Bxc1 15. Rxc1 Nf6 16. Nc3 Nc6 17. Kf1 Bd7 18. Nd5 Nxd5 19. Bxd5 Ke7 20. c3 Rh8 21. Ke2) 15. Re1?? { (2.00 → -5.03) Blunder. Best move was Bxg5. } (15. Bxg5 Bxg5 16. Nc3 c6 17. Rae1 Kd8 18. Bb3 Nd7 19. Kg2 d5 20. Ne2 Nc5 21. f4 Bh4) 15... Nh3+?? { (-5.03 → 1.59) Blunder. Best move was Nf3+. } (15... Nf3+) 16. Kg2 Nxf2?? { (1.30 → 7.80) Blunder. Best move was Bxc1. } (16... Bxc1) 17. Kxf2? { (7.80 → 5.77) Mistake. Best move was Bxh6. } (17. Bxh6 Ng4 18. Bg5 Nd7 19. Nc3 c6 20. Bb3 Nf8 21. d4 Ne6 22. Bxe6 Bxe6 23. h3 Kf7) 17... Be6?? { (5.77 → 10.99) Blunder. Best move was f4. } (17... f4) 18. Bxh6 Ke7 19. Bxe6 Kxe6 20. d4 Kd5 21. dxe5 Ke6 22. exd6+ Kxd6 23. Bf4+ Kd7 24. Rd1+ Kc8 25. Bg5 Nd7 26. c4 Kb8 27. c5 c6 28. Rxd7 Kc8?! { (22.64 → Mate in 6) Checkmate is now unavoidable. Best move was a5. } (28... a5 29. Bf4+) 29. Rf7 Rb8 30. Bf4?! { (Mate in 3 → Mate in 6) Not the best checkmate sequence. Best move was Nd2. } (30. Nd2 b6 31. Re1 bxc5 32. Re8#) 30... Kd8 31. Bxb8 Kc8 32. Bxa7?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Bc7. } (32. Bc7 b6 33. Na3 Kb7 34. Bxb6+ Kb8 35. Rg1 axb6 36. Rg8#) 32... Kd8 33. Bb6+ Ke8 34. Rxb7 Kf8 35. Nc3 f4 36. Rd1 Kg8 37. Rd8# { White wins by checkmate. } 1-0