[Event "Casual classical game"] [Site "https://lichess.org/s0XLDiLS"] [Date "2020.04.27"] [White "ClassicalMath"] [Black "piridox"] [Result "0-1"] [UTCDate "2020.04.27"] [UTCTime "16:43:24"] [WhiteElo "1837"] [BlackElo "1702"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "B03"] [Opening "Alekhine Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 { B03 Alekhine Defense: Exchange Variation } exd6 6. Nf3 Bg4 7. Bd3 Nc6 8. Be3 Nb4 9. Be2 Be7?! { (0.06 → 0.79) Inaccuracy. Bf5 was best. } (9... Bf5 10. Na3 Be7 11. O-O O-O 12. Qd2 a5 13. h3 d5 14. c5 Nd7 15. Nb5 c6 16. Nd6) 10. O-O O-O 11. a3 Na6 12. Qc2 c5?! { (0.96 → 1.60) Inaccuracy. c6 was best. } (12... c6 13. Nbd2) 13. dxc5?! { (1.60 → 1.01) Inaccuracy. Nc3 was best. } (13. Nc3 Re8 14. b3 cxd4 15. Nxd4 Bxe2 16. Ndxe2 Bg5 17. Bd4 Nc5 18. f4 Bf6 19. Rae1 Qe7) 13... dxc5?! { (1.01 → 1.71) Inaccuracy. Nxc5 was best. } (13... Nxc5 14. Nc3 Qd7 15. b4 Bf5 16. Qa2 Ne4 17. Nxe4 Bxe4 18. Nd4 a6 19. a4 a5 20. Qb3) 14. Rd1?! { (1.71 → 1.11) Inaccuracy. h3 was best. } (14. h3 Bh5) 14... Qc7 15. b3 f5 16. Nc3 f4?! { (1.67 → 2.34) Inaccuracy. Bf6 was best. } (16... Bf6 17. Nb5) 17. Bc1?! { (2.34 → 1.69) Inaccuracy. Bd2 was best. } (17. Bd2 Qd6 18. Nb5 Qh6 19. h3 Bh5 20. Re1 Rae8 21. Rad1 Bf6 22. Nxa7 Nb8 23. Ba5 N6d7) 17... Bf6 18. Ng5 Bxg5 19. Bxg4 Bf6 20. Bf5?! { (2.19 → 1.22) Inaccuracy. Bd2 was best. } (20. Bd2 Qf7) 20... h6?! { (1.22 → 2.05) Inaccuracy. g6 was best. } (20... g6 21. Bg4) 21. Rb1 Rad8 22. Be6+ Kh8 23. Nd5? { (1.42 → 0.00) Mistake. Bd2 was best. } (23. Bd2 Qe5) 23... Nxd5?! { (0.00 → 0.85) Inaccuracy. Qe5 was best. } (23... Qe5 24. Bb2 Qxe6 25. Nxf6 gxf6 26. Qg6 Rd7 27. Rxd7 Nxd7 28. Qxh6+ Kg8 29. Qg6+ Kh8) 24. Bxd5 Qd6 25. Bb2?! { (1.38 → 0.52) Inaccuracy. Re1 was best. } (25. Re1 Rfe8) 25... Bxb2 26. Qxb2 Nc7 27. Bf3 Qg6 28. Bxb7 f3?! { (1.50 → 2.31) Inaccuracy. Rxd1+ was best. } (28... Rxd1+ 29. Rxd1 f3 30. g3 Ne6 31. Qb1 Qg4 32. Qd3 Nd4 33. b4 Qh3 34. Qf1 Ne2+ 35. Kh1) 29. Bxf3 Rxd1+ 30. Bxd1 Re8 31. Bf3?! { (3.03 → 1.93) Inaccuracy. Bc2 was best. } (31. Bc2 Qh5) 31... Ne6 32. Re1 Nd4 33. Rxe8+ Qxe8 34. Bd5?? { (1.62 → Mate in 1) Checkmate is now unavoidable. Qd2 was best. } (34. Qd2 Qg6) 34... Qe1# { Black wins by checkmate. } 0-1