[Event "NM vrekhson simul"] [Site "https://lichess.org/lusuHdaS"] [Date "2021.05.06"] [White "vrekhson"] [Black "Sean_Gao"] [Result "0-1"] [UTCDate "2021.05.06"] [UTCTime "01:46:20"] [WhiteElo "1767"] [BlackElo "1573"] [WhiteTitle "NM"] [Variant "Standard"] [TimeControl "900+20"] [ECO "A07"] [Opening "King's Indian Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 d5 2. g3 { A07 King's Indian Attack } Nc6 3. Bg2 e5 4. d3 Nf6 5. O-O Bd6 6. Nc3 Bf5 7. Nxd5 Nxd5 8. e4 Be6 9. exd5 Bxd5 10. c4 Be6 11. Ng5?! { (0.85 → 0.09) Inaccuracy. d4 was best. } (11. d4 Bxc4 12. Re1 O-O 13. Qc2 e4 14. Qxc4 exf3 15. Bxf3 Qf6 16. Bxc6 bxc6 17. Bd2 Rae8) 11... Qf6? { (0.09 → 1.36) Mistake. Bf5 was best. } (11... Bf5 12. c5 Bxc5 13. Qb3 O-O 14. Qxb7 Nd4 15. Qxa8 Qxa8 16. Bxa8 Rxa8 17. Ne4 Bh3 18. Be3) 12. Ne4?! { (1.36 → 0.62) Inaccuracy. b4 was best. } (12. b4 Rb8 13. Nxe6 Qxe6 14. c5 Be7 15. Bb2 Rd8 16. Qb3 O-O 17. Qxe6 fxe6 18. Bxc6 bxc6) 12... Qe7 13. c5?? { (0.70 → -1.06) Blunder. Be3 was best. } (13. Be3 Qd7) 13... Bxc5 14. Bg5 f6 15. Bd2? { (-1.07 → -2.80) Mistake. Nxc5 was best. } (15. Nxc5 Qxc5) 15... O-O? { (-2.80 → -1.44) Mistake. Bb6 was best. } (15... Bb6 16. b4) 16. Nxc5 Qxc5 17. Rc1 Qd6 18. Bc3?! { (-1.74 → -2.54) Inaccuracy. Be3 was best. } (18. Be3 Rfd8 19. Be4 Bd5 20. Qh5 Bxe4 21. dxe4 Qe6 22. Qe2 a6 23. Qc4 Qf7 24. Qxf7+ Kxf7) 18... Rad8?! { (-2.54 → -1.86) Inaccuracy. Bxa2 was best. } (18... Bxa2 19. Bxc6) 19. Qa4 Bd7?? { (-2.38 → -0.14) Blunder. Bd5 was best. } (19... Bd5 20. Be4 a6 21. Rce1 Rfe8 22. a3 Qe6 23. Bxd5 Qxd5 24. f4 exf4 25. Qxf4 Qc5+ 26. Kg2) 20. Rfd1?? { (-0.14 → -4.28) Blunder. Qb3+ was best. } (20. Qb3+ Kh8 21. Qxb7 Rb8 22. Qa6 Nd4 23. Qxd6 Ne2+ 24. Kh1 cxd6 25. Rc2 Nxc3 26. bxc3 g5) 20... Nd4 21. Qxa7?! { (-4.37 → -5.58) Inaccuracy. Qb4 was best. } (21. Qb4) 21... Ne2+ 22. Kh1 Nxc1 23. Rxc1 Bc6 24. Rd1 Bxg2+ 25. Kxg2 b6 26. Qa4 f5?! { (-5.50 → -3.73) Inaccuracy. Qd5+ was best. } (26... Qd5+ 27. f3 Rd6 28. a3 Rfd8 29. Rd2 c5 30. h4 h5 31. Qc2 Qf7 32. a4 Qd7 33. a5) 27. Re1 Rfe8 28. f4? { (-3.65 → -5.78) Mistake. Qc4+ was best. } (28. Qc4+) 28... Qxd3?! { (-5.78 → -4.44) Inaccuracy. Qd5+ was best. } (28... Qd5+ 29. Kf2 Ra8 30. Qc4 Qxc4 31. dxc4 exf4 32. Rg1 fxg3+ 33. Rxg3 Re7 34. Bf6 f4 35. Rg4) 29. Rxe5?! { (-4.44 → -6.70) Inaccuracy. fxe5 was best. } (29. fxe5 Qd5+) 29... Rxe5 30. Bxe5 Qd2+?? { (Mate in 8 → -6.29) Lost forced checkmate sequence. Qe2+ was best. } (30... Qe2+ 31. Kg1 Qe1+ 32. Kg2 Rd2+ 33. Kh3 Qf1+ 34. Kh4 Rxh2+ 35. Kg5 Rh5+ 36. Kxh5 Qf3+ 37. Kh4) 31. Kh3 Qd7? { (-6.17 → -3.47) Mistake. Qe2 was best. } (31... Qe2) 32. Qc4+ Kf8?? { (-3.39 → -0.46) Blunder. Qf7 was best. } (32... Qf7 33. Qxf7+) 33. Bxc7 Rc8?? { (-0.66 → 2.69) Blunder. Re8 was best. } (33... Re8 34. Bxb6) 34. Qb4+?? { (2.69 → -1.47) Blunder. Bd6+ was best. } (34. Bd6+ Qxd6) 34... Kg8 35. Be5?? { (-1.42 → -5.70) Blunder. Bxb6 was best. } (35. Bxb6) 35... b5? { (-5.70 → -3.49) Mistake. Qd1 was best. } (35... Qd1 36. Qxb6 Qh5+ 37. Kg2 Rc2+ 38. Qf2 Rxf2+ 39. Kxf2 Qxh2+ 40. Kf3 Qd2 41. Bc3 Qd5+ 42. Kf2) 36. b3?? { (-3.49 → -7.73) Blunder. Qb3+ was best. } (36. Qb3+ Kh8) 36... Rc2 37. a4? { (-7.41 → Mate in 4) Checkmate is now unavoidable. Qc3 was best. } (37. Qc3 Rxc3) 37... Qe8 38. g4 Qg6 39. g5 Qh5+ 40. Kg3 Qg4# { Black wins by checkmate. } 0-1