lichess dev

[Event "Alexandra Kosteniuk Arena"] [Site "http://chess-academy.net/ooKmI92Q"] [Date "2020.08.05"] [Round "-"] [White "DavidSah"] [Black "mihaiplostinaru"] [Result "1-0"] [UTCDate "2020.08.05"] [UTCTime "17:07:38"] [WhiteElo "1500"] [BlackElo "1290"] [WhiteRatingDiff "+97"] [BlackRatingDiff "-19"] [Variant "Standard"] [TimeControl "420+0"] [ECO "C46"] [Opening "Three Knights Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nc6?! { (0.12 → 0.72) Inaccuracy. Best move was e6. } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Nc3?! { (0.72 → 0.15) Inaccuracy. Best move was d4. } (2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 a6 6. Be3 Nge7) 2... e5 3. Nf3 { C46 Three Knights Opening } Ke7? { (0.18 → 2.61) Mistake. Best move was Nf6. } (3... Nf6 4. Bb5 Bc5 5. Bxc6 dxc6 6. O-O Qe7 7. h3 h6 8. d3) 4. Bb5?! { (2.61 → 2.00) Inaccuracy. Best move was d4. } (4. d4 exd4) 4... Na5? { (2.00 → 4.33) Mistake. Best move was Ke8. } (4... Ke8 5. O-O Bd6 6. Bc4 Kf8 7. d4 exd4 8. Nxd4 Be5 9. Nxc6 bxc6 10. Qd3 d6 11. f4) 5. Nxe5? { (4.33 → 3.29) Mistake. Best move was d4. } (5. d4 c6 6. Be2 Ke8 7. O-O b5 8. dxe5 Be7 9. Be3 Kf8 10. Nd4 d5 11. exd5 b4) 5... f6?? { (3.29 → Mate in 9) Checkmate is now unavoidable. Best move was c6. } (5... c6 6. Be2 Ke8 7. d4 Be7 8. d5 Bb4 9. Nf3 Nf6 10. O-O d6 11. dxc6 Bxc3 12. cxb7) 6. Nc4?? { (Mate in 9 → 2.09) Lost forced checkmate sequence. Best move was Nd5+. } (6. Nd5+ Ke8 7. Qh5+ g6 8. Nxg6 Kf7 9. Ne5+ Ke6 10. Qf5+ Kd6 11. d4 Nh6 12. Bf4 Nxf5) 6... Nxc4? { (2.09 → 4.48) Mistake. Best move was a6. } (6... a6) 7. Bxc4 b6? { (4.12 → 5.25) Mistake. Best move was Qe8. } (7... Qe8 8. O-O Kd8 9. Re1 a6 10. a4 b6 11. Bd5 Rb8 12. d4 Bb4 13. Qd3 Ne7 14. Bf4) 8. Bd5? { (5.25 → 3.56) Mistake. Best move was Nd5+. } (8. Nd5+) 8... Rb8?! { (3.56 → 4.48) Inaccuracy. Best move was c6. } (8... c6 9. Bb3) 9. O-O?! { (4.48 → 3.89) Inaccuracy. Best move was d4. } (9. d4 Qe8) 9... Bb7?! { (3.89 → 4.72) Inaccuracy. Best move was Qe8. } (9... Qe8) 10. Bxb7?! { (4.72 → 3.81) Inaccuracy. Best move was e5. } (10. e5 Bxd5 11. Nxd5+ Kf7 12. d4 Be7 13. Qf3 g6 14. Re1 Kg7 15. Bf4 f5 16. Nxe7 Qxe7) 10... Rxb7 11. d4 g6?! { (4.16 → 4.86) Inaccuracy. Best move was Qe8. } (11... Qe8 12. Qd3 Kd8 13. a4 Ne7 14. Qa6 Kc8 15. a5 b5 16. d5 Kb8 17. Nxb5 Nc8 18. Re1) 12. f3? { (4.86 → 3.71) Mistake. Best move was e5. } (12. e5) 12... g5? { (3.71 → 6.24) Mistake. Best move was Kf7. } (12... Kf7 13. f4) 13. Nd5+ Kd6? { (5.84 → 7.74) Mistake. Best move was Kf7. } (13... Kf7 14. f4) 14. Nc3?? { (7.74 → 4.13) Blunder. Best move was f4. } (14. f4 Kc6 15. fxg5 Rb8 16. gxf6 Kb7 17. f7 Ne7 18. Bg5 c6 19. Nf4 h6 20. Bxe7 Bxe7) 14... a6?? { (4.13 → 7.73) Blunder. Best move was c6. } (14... c6 15. f4 Kc7 16. fxg5 fxg5 17. Be3 Nh6 18. Qf3 Rg8 19. Rad1 Kb8 20. d5 Qe8 21. e5) 15. e5+ fxe5? { (7.51 → 13.29) Mistake. Best move was Ke7. } (15... Ke7 16. Nd5+ Kf7 17. f4 g4 18. Qxg4 h5 19. Qf3 f5 20. Ne3 Ra7 21. Nxf5 Ke8 22. Ng3) 16. dxe5+ Kxe5 17. f4+ gxf4?! { (25.51 → Mate in 4) Checkmate is now unavoidable. Best move was Ke6. } (17... Ke6 18. Qd5+) 18. Bxf4+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Qd5+. } (18. Qd5+ Kf6 19. Rxf4+ Kg6 20. Qf7+ Kh6 21. Rf6#) 18... Kf5 19. Ne2?! { (Mate in 3 → 17.68) Lost forced checkmate sequence. Best move was Bc1+. } (19. Bc1+ Ke6 20. Qd5+ Ke7 21. Qe5#) 19... Bc5+?! { (17.68 → Mate in 9) Checkmate is now unavoidable. Best move was Nf6. } (19... Nf6 20. Bxc7+ Kg6 21. Qd3+ Kg7 22. Bxd8 Bc5+ 23. Kh1 Rxd8 24. Qf3 Rf8 25. Qxb7 h5 26. Rad1) 20. Kh1?! { (Mate in 9 → 15.00) Lost forced checkmate sequence. Best move was Nd4+. } (20. Nd4+ Kg6 21. Qg4+ Kf7 22. Bh6+ Qf6 23. Qh5+ Ke7 24. Rae1+ Qe6 25. Qf7+ Kd8 26. Qf8+ Bxf8) 20... Be7?! { (15.00 → Mate in 6) Checkmate is now unavoidable. Best move was Ke6. } (20... Ke6 21. Ng3) 21. c3?! { (Mate in 6 → 15.33) Lost forced checkmate sequence. Best move was Bc1+. } (21. Bc1+ Kg6 22. Nf4+ Kg7 23. Nh5+ Kg6 24. Qd3+ Kxh5 25. Qf3+ Kg6 26. Qf7#) 21... Ke4?! { (15.33 → Mate in 1) Checkmate is now unavoidable. Best move was Kg6. } (21... Kg6 22. Qd3+ Kg7 23. Qg3+ Kf7 24. Bxc7+ Nf6 25. Bxd8 Rxd8 26. Qd3 Rdb8 27. Qxh7+ Ke8 28. Qg6+) 22. Ng3# { White wins by checkmate. } 1-0