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[Event "?"] [Site "?"] [Date "2021.01.31"] [Round "?"] [White "sean"] [Black "Square Off"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 { C42 Petrov's Defense } 3. d3 Nc6 4. c3 d5 5. Bg5?! { (-0.28 → -0.93) Inaccuracy. Nbd2 was best. } (5. Nbd2 h6 6. Be2 Bd6 7. O-O O-O 8. h3 Be6 9. Re1 a5) 5... Ng4?? { (-0.93 → 8.66) Blunder. dxe4 was best. } (5... dxe4 6. Bxf6 Qxf6 7. dxe4 Bc5 8. Bc4 O-O 9. O-O Ne7 10. Ne1) 6. Bxd8 dxe4 7. dxe4 Nxd8 8. h3 Nh6 9. Nxe5 Bd6 10. Nc4 Bg4 11. hxg4 Bf4 12. Qf3 Ne6 13. g3 Bc1 14. Nbd2 Ng5 15. Qe3 Bxd2+ 16. Qxd2?! { (13.09 → 6.46) Inaccuracy. Nxd2 was best. } (16. Nxd2 f6 17. f4 Ne6 18. Bc4 Nd8 19. Qc5 Kd7 20. g5 Nhf7 21. Qd4+ Ke7 22. O-O-O fxg5) 16... Nf3+ 17. Ke2 Nxd2 18. Nxd2 Nxg4 19. Bh3 Nf6 20. e5 Nd5 21. Rad1 O-O 22. Ne4 Rfd8 23. e6 h5 24. Ng5 f6 25. Nf7 Rf8 26. Rxd5 c6 27. Rxh5 g5?! { (18.58 → Mate in 3) Checkmate is now unavoidable. Rxf7 was best. } (27... Rxf7 28. Bf5) 28. Rh8+ Kg7 29. Rxf8?! { (Mate in 5 → 15.53) Lost forced checkmate sequence. Rh7+ was best. } (29. Rh7+ Kxh7 30. Bf5+ Kg8 31. Rh8+ Kg7 32. Rh7+ Kg8 33. Nh6#) 29... Kxf8 30. Bf5 Re8 31. Rh8+ Ke7 32. Rh7 b5 33. Nh6+ Kd8 34. Nf7+ Kc7 35. Bg6 Rh8?! { (11.33 → Mate in 7) Checkmate is now unavoidable. Rxe6+ was best. } (35... Rxe6+ 36. Kf3) 36. Rxh8?! { (Mate in 7 → 24.71) Lost forced checkmate sequence. Nxh8+ was best. } (36. Nxh8+ Kb6 37. e7 b4 38. e8=Q bxc3 39. Qe7 Kb5 40. Bd3+ Ka5 41. Qa3+ Kb6 42. Qxa7#) 36... Kb6?! { (24.71 → Mate in 6) Checkmate is now unavoidable. b4 was best. } (36... b4 37. e7) 37. Nd6?! { (Mate in 6 → 24.63) Lost forced checkmate sequence. e7 was best. } (37. e7 b4 38. Rb8+ Kc5 39. e8=Q a5 40. Qe7+ Kd5 41. Qd7+ Kc5 42. Qd4#) 37... Kc5?! { (24.63 → Mate in 6) Checkmate is now unavoidable. b4 was best. } (37... b4 38. cxb4) 38. Nb7+?! { (Mate in 6 → 24.99) Lost forced checkmate sequence. Ne4+ was best. } (38. Ne4+ Kb6 39. e7 a5 40. e8=Q c5 41. Qd8+ Kb7 42. Rh7+ Kc6 43. Qd6#) 38... Kb6 39. Rb8 b4 40. cxb4 a5 41. a3 Ka6 42. Bd3+ Ka7 43. Rh8 Kxb7 44. e7 f5 45. e8=Q Kc7 46. Rh6 axb4 47. axb4 Kb7 48. Qe7+ Kb8 49. Rh8# { White wins by checkmate. } 1-0