[Event "Coach FM Kovalchuk Alexey simul"] [Site "https://lichess.org/s0sPNUuD"] [Date "2021.04.03"] [White "Kovalchuk94"] [Black "albertsabino"] [Result "1-0"] [UTCDate "2021.04.03"] [UTCTime "18:36:46"] [WhiteElo "2348"] [BlackElo "1166"] [WhiteTitle "FM"] [Variant "Standard"] [TimeControl "300+5"] [ECO "B40"] [Opening "Sicilian Defense: Marshall Counterattack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 e6 3. d4 d5?! { (0.12 → 0.79) Inaccuracy. cxd4 was best. } { B40 Sicilian Defense: Marshall Counterattack } (3... cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 e5 8. Bg5) 4. exd5 exd5 5. Bb5+ Nc6 6. O-O Nf6 7. Re1+ Be6 8. Ng5 Qb6? { (0.93 → 2.31) Mistake. Be7 was best. } (8... Be7 9. Nxe6) 9. Nxe6 fxe6 10. Bxc6+?? { (3.03 → 0.77) Blunder. Rxe6+ was best. } (10. Rxe6+ Kd7) 10... Qxc6 11. Be3 Be7 12. Nd2 O-O-O? { (0.51 → 1.73) Mistake. O-O was best. } (12... O-O 13. dxc5) 13. c3?! { (1.73 → 1.04) Inaccuracy. dxc5 was best. } (13. dxc5 d4) 13... Rde8?! { (1.04 → 1.72) Inaccuracy. Rhe8 was best. } (13... Rhe8 14. Nf3 Qc7 15. g3 Bd6 16. dxc5 Bxc5 17. Bf4 Bd6 18. Bxd6 Rxd6 19. Qd4 Kb8 20. Re3) 14. c4 Bd6?! { (1.56 → 2.74) Inaccuracy. Kb8 was best. } (14... Kb8 15. Rc1 cxd4 16. Bxd4 Bd6 17. Nf3 dxc4 18. b3 Rc8 19. Ne5 Qc7 20. g3 Bb4 21. Nxc4) 15. dxc5 Bxc5?? { (2.42 → 5.74) Blunder. Be5 was best. } (15... Be5 16. cxd5 exd5 17. Nf3 Bxb2 18. Rb1 Bc3 19. Rf1 Re4 20. Bd4 Ba5 21. Ne5 Qc7 22. c6) 16. Bxc5?? { (5.74 → 1.50) Blunder. cxd5 was best. } (16. cxd5 exd5 17. Bxc5 Qxc5 18. Rc1 Qxc1 19. Qxc1+ Kb8 20. Rd1 Rc8 21. Qb1 Rc7 22. Qf5 Ka8) 16... Qxc5 17. cxd5 Qxd5 18. Nf3 Kb8 19. Qa4 a6 20. Rad1 Qh5 21. Re5 Qg6 22. h3 Rd8 23. Rde1 Rd5 24. Rxe6 Rhd8 25. Qf4+ Ka8 26. Re7 Rd1? { (2.34 → 3.94) Mistake. R5d7 was best. } (26... R5d7 27. Rxd7) 27. Qc7 Rxe1+ 28. Nxe1 Rb8 29. Qc5? { (4.10 → 2.04) Mistake. Rxg7 was best. } (29. Rxg7) 29... Re8 30. Rxe8+ Qxe8 31. Nf3 Qd8 32. Nd4 Qe8 33. Nf3 Qd8 34. Qd4 Qxd4 35. Nxd4 b5?! { (2.47 → 3.20) Inaccuracy. g6 was best. } (35... g6) 36. f3?! { (3.20 → 2.00) Inaccuracy. Kf1 was best. } (36. Kf1 g6 37. Ke2 Kb7 38. Kd3 Kc7 39. Nf3 Kd6 40. Kd4 Nd5 41. Ng5 h6 42. Ne4+ Kc6) 36... Ka7?! { (2.00 → 3.15) Inaccuracy. Kb7 was best. } (36... Kb7 37. Kf2) 37. Kf2 Nd5 38. g3? { (3.05 → 1.71) Mistake. Ne6 was best. } (38. Ne6 Kb6) 38... Kb6 39. Nc2?! { (2.11 → 1.41) Inaccuracy. Ke2 was best. } (39. Ke2 g6 40. a3 a5 41. Ne6 Kc6 42. Kd3 Ne7 43. f4 a4 44. Ng5 h6 45. Ne4 Nf5) 39... Kc5 40. Ke2 Nb4?? { (1.25 → 4.51) Blunder. Nf6 was best. } (40... Nf6 41. Ke3 Kc4 42. h4 b4 43. Kd2 Nh5 44. g4 Nf4 45. h5 a5 46. b3+ Kc5 47. Ke3) 41. Nxb4 Kxb4 42. f4 Kc4 43. f5? { (4.23 → 2.38) Mistake. Ke3 was best. } (43. Ke3 a5 44. g4 Kd5 45. h4 g6 46. Kd3 h6 47. Ke3 a4 48. a3 g5 49. fxg5 hxg5) 43... b4?! { (2.38 → 3.36) Inaccuracy. Kd4 was best. } (43... Kd4 44. Kf3) 44. g4 b3? { (3.70 → 6.38) Mistake. Kd4 was best. } (44... Kd4 45. Kf3) 45. axb3+ Kxb3 46. g5 Kxb2 47. f6 gxf6 48. gxf6 a5 49. f7 a4?! { (72.53 → Mate in 6) Checkmate is now unavoidable. Kc3 was best. } (49... Kc3 50. f8=Q) 50. f8=Q a3 51. Qb4+ Ka2 52. Kd2 h5 53. Kc2 h4 54. Qb1# { White wins by checkmate. } 1-0