[Event "GM Konstantin Sakaev School"] [Site "https://lichess.org/YQOlXskE"] [Date "2021.05.01"] [White "JeniaPakhomkina"] [Black "Konj2345"] [Result "1-0"] [UTCDate "2021.05.01"] [UTCTime "15:08:33"] [WhiteElo "1836"] [BlackElo "2143"] [WhiteRatingDiff "+14"] [BlackRatingDiff "-9"] [Variant "Standard"] [TimeControl "180+2"] [ECO "D01"] [Opening "Rapport-Jobava System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Bf4 d5 3. Nc3?! { (0.16 → -0.40) Inaccuracy. Nf3 was best. } (3. Nf3 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. c4 O-O 7. Nc3 dxc4) 3... e6 { D01 Rapport-Jobava System } 4. e3 c5?! { (-0.48 → 0.36) Inaccuracy. a6 was best. } (4... a6 5. Nf3 b5 6. Be2 c5 7. Nb1 Nbd7 8. c3 Bb7 9. O-O) 5. Nb5 Na6 6. Nf3 Bd7 7. Ne5?! { (0.39 → -0.48) Inaccuracy. c3 was best. } (7. c3 Be7 8. a4 O-O 9. h3 c4 10. b3 Ne4 11. Nd2 Bxb5) 7... Bxb5?? { (-0.48 → 4.54) Blunder. Qa5+ was best. } (7... Qa5+ 8. Nc3 c4 9. Qd2 Bb4 10. f3 Nh5 11. Bg5 Nc7 12. Bh4) 8. Bxb5+ Ke7 9. O-O Nc7 10. Be2?! { (4.76 → 3.44) Inaccuracy. Ba4 was best. } (10. Ba4 c4) 10... g6?! { (3.44 → 5.28) Inaccuracy. Ke8 was best. } (10... Ke8 11. c4) 11. dxc5 Bg7 12. c6 Qc8 13. Qd4 b6 14. Qb4+ Ke8 15. Bg5 h6 16. Bh4?! { (5.78 → 4.27) Inaccuracy. Bxf6 was best. } (16. Bxf6) 16... g5 17. Bg3 Ne4?! { (4.19 → 5.48) Inaccuracy. Qd8 was best. } (17... Qd8 18. Rad1) 18. Bh5 Rf8 19. Nd7 Nf6 20. Nxf8?? { (7.40 → -0.21) Blunder. Be5 was best. } (20. Be5 a5 21. Qd4 Nxh5 22. Bxg7 Nxg7 23. Qxg7 Qxd7 24. cxd7+ Kxd7 25. Qxh6 f6 26. Rac1 Ke7) 20... Bxf8 21. Bxf7+ Kxf7 22. Qc3 Nb5 23. Qb3?? { (-0.63 → -2.53) Blunder. Qd3 was best. } (23. Qd3 Qxc6) 23... Qxc6 24. a4 Nd6 25. Rac1 Nc4 26. Qa2 h5 27. b3 Nd2 28. Rfd1 Nde4?? { (-3.57 → -1.34) Blunder. Qc3 was best. } (28... Qc3 29. Qa1) 29. c4 Bc5?? { (-1.44 → 1.27) Blunder. Rd8 was best. } (29... Rd8 30. Qe2) 30. cxd5 exd5?? { (1.05 → 3.20) Blunder. Nxd5 was best. } (30... Nxd5 31. Qb1 Nef6 32. e4 Ne3 33. Re1 Neg4 34. b4 h4 35. bxc5 hxg3 36. hxg3 Ne5 37. cxb6) 31. Be5?? { (3.20 → -2.34) Blunder. b4 was best. } (31. b4 Re8) 31... Qe6 32. Bxf6 Qxf6?? { (-2.18 → 3.59) Blunder. Nxf6 was best. } (32... Nxf6 33. a5) 33. b4 Nc3? { (4.36 → 7.70) Mistake. Rd8 was best. } (33... Rd8 34. bxc5) 34. Rxc3 Qxc3 35. Qxd5+ Kg7 36. bxc5 Rf8 37. cxb6 Qc2 38. Qd4+ Kh6 39. Rf1 axb6 40. Qd6+ Kg7 41. Qxb6? { (8.11 → 4.67) Mistake. Qe7+ was best. } (41. Qe7+ Rf7) 41... Rf6?! { (4.67 → 7.24) Inaccuracy. Qxa4 was best. } (41... Qxa4 42. Rc1) 42. Qc7+?? { (7.24 → -7.17) Blunder. Qb5 was best. } (42. Qb5 Kh6) 42... Kh6?? { (-7.17 → 11.25) Blunder. Qxc7 was best. } (42... Qxc7 43. a5 Qc2 44. h3 Ra6 45. Ra1 h4 46. e4 Qxe4 47. Kh1 g4 48. hxg4 Qd4 49. Rb1) 43. Qxc2 Rb6?! { (12.29 → Mate in 13) Checkmate is now unavoidable. h4 was best. } (43... h4 44. Qc4) 44. a5?! { (Mate in 13 → 24.47) Lost forced checkmate sequence. Rb1 was best. } (44. Rb1 Rxb1+ 45. Qxb1 Kg7 46. Qf5 Kh6 47. Qf6+ Kh7 48. Qxg5 Kh8 49. Qxh5+ Kg8 50. a5 Kg7) 44... Ra6 45. Qc3 h4 46. Rb1 Kh5 47. Rb6 Rxb6 48. axb6 h3 49. gxh3 Kh4 50. b7 Kxh3 51. b8=Q Kg4 52. Qbc8+ Kh5 53. Q8h8+ Kg4 54. Qcd4+ Kf3 55. Qhf6+ Ke2 56. Qb2+ Kd1 57. Qfd4+ Ke1 58. Qdd2# { White wins by checkmate. } 1-0