[Event "2021 Summer Marathon"] [Site "https://lichess.org/rC7ZWmMo"] [Date "2021.08.07"] [White "Kanthecarowin"] [Black "OhanyanEminChess"] [Result "1-0"] [UTCDate "2021.08.07"] [UTCTime "15:56:17"] [WhiteElo "2467"] [BlackElo "2904"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-11"] [WhiteTitle "NM"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "60+0"] [ECO "D91"] [Opening "Grünfeld Defense: Three Knights Variation, Petrosian System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 { D91 Grünfeld Defense: Three Knights Variation, Petrosian System } Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Qd2 exd5 9. Qe3+ Kf8 10. Qf4 Qd7?! { (-0.11 → 0.96) Inaccuracy. Bf6 was best. } (10... Bf6 11. h4 h6 12. Nf3 Kg7 13. O-O-O Be6 14. g4 Nd7 15. Bg2 Be7 16. e4 dxe4 17. Nxe4) 11. e3 h6 12. Nf3 c6 13. h4 Qe7 14. h5? { (1.44 → 0.00) Mistake. Bd3 was best. } (14. Bd3 Kg8) 14... g5 15. Qg3 Nd7 16. Bd3? { (0.00 → -1.17) Mistake. O-O-O was best. } (16. O-O-O b5 17. Bd3 Nb6 18. Ne2 Nc4 19. Nc3) 16... Nf6?? { (-1.17 → 0.76) Blunder. g4 was best. } (16... g4 17. Nh4 Bxd4 18. Qxg4 Bf6 19. Qf4 Nc5 20. O-O-O Rg8 21. Qxh6+ Bg7 22. Qf4 Be5 23. Nf5) 17. O-O-O Be6 18. e4?! { (0.45 → -0.48) Inaccuracy. Kb1 was best. } (18. Kb1 Ne4) 18... dxe4 19. Nxe4?! { (-0.18 → -1.17) Inaccuracy. Bxe4 was best. } (19. Bxe4) 19... Nxe4 20. Bxe4 Rd8 21. Ne5 Bxa2 22. Rhe1?! { (-1.52 → -2.38) Inaccuracy. Bf5 was best. } (22. Bf5 Qb4) 22... Bxe5?! { (-2.38 → -1.42) Inaccuracy. Rxd4 was best. } (22... Rxd4) 23. dxe5 Kg7?! { (-0.97 → -0.09) Inaccuracy. Be6 was best. } (23... Be6 24. Bc2) 24. f4?! { (-0.09 → -0.79) Inaccuracy. b3 was best. } (24. b3 Qa3+ 25. Kc2 Rd5 26. Bxd5 cxd5 27. Qc3 Bxb3+ 28. Kd2 d4 29. Qxd4 Qa5+ 30. Ke3 Re8) 24... Qc5+?! { (-0.79 → 0.27) Inaccuracy. Rxd1+ was best. } (24... Rxd1+ 25. Rxd1 Rd8 26. Rxd8 Qxd8 27. Bc2 Qd4 28. fxg5 Be6 29. Bd1 Bf5 30. Bc2 Bxc2 31. Kxc2) 25. Bc2 Rxd1+ 26. Rxd1 Qe7?? { (0.00 → 7.84) Blunder. Be6 was best. } (26... Be6 27. fxg5 Qe7 28. gxh6+ Kxh6 29. Kb1 Qg5 30. Qf3 a5 31. g4 Bxg4 32. Qxf7 Bxd1 33. Bxd1) 27. Rf1?? { (7.84 → 0.38) Blunder. f5 was best. } (27. f5 f6 28. exf6+ Qxf6 29. Rd6 Rf8 30. Rxf6 Rxf6 31. b3 Bb1 32. Qc7+ Kf8 33. Qe5 Kf7) 27... Bd5 28. f5 f6 29. exf6+ Kxf6?? { (0.06 → 7.13) Blunder. Qxf6 was best. } (29... Qxf6 30. Qc7+ Bf7 31. Qxb7 Re8 32. Bb3 Re5 33. Qxa7 Re2 34. Qxf7+ Qxf7 35. Bxf7 Kxf7 36. g4) 30. Qc3+?? { (7.13 → -3.02) Blunder. Re1 was best. } (30. Re1) 30... Qe5 31. Qb4?! { (-2.70 → -3.56) Inaccuracy. Qd2 was best. } (31. Qd2 Re8) 31... Re8 32. Qxb7?? { (-3.27 → -7.92) Blunder. g4 was best. } (32. g4 Bg2) 32... Qe3+ 33. Kb1 Qb6?? { (-8.18 → 0.46) Blunder. Qd2 was best. } (33... Qd2 34. b3 Re2 35. Rc1 Be4 36. Kb2 Qd3 37. Ka3 Rxc2 38. Rxc2 Qxc2 39. Qxa7 Qc1+ 40. Kb4) 34. Qh7 Rb8?? { (0.23 → 8.29) Blunder. Ba2+ was best. } (34... Ba2+ 35. Ka1 Qa5 36. Qxh6+ Kf7 37. Qg6+ Kf8 38. Qd6+ Kf7 39. Qa3 Qxa3 40. bxa3 Re2 41. Bd3) 35. Qg6+ Ke5 36. Re1+ Kf4? { (7.53 → Mate in 4) Checkmate is now unavoidable. Kd4 was best. } (36... Kd4 37. Qg7+ Kc5 38. Qe7+ Kb5 39. Bd3+ Bc4 40. Qe5+ c5 41. Bxc4+ Kxc4 42. f6 Rd8 43. f7) 37. Qd6+ Kg4 38. Bd1+ Kxf5 39. Rf1+ Ke4 40. Qg6+?? { (Mate in 5 → 5.03) Lost forced checkmate sequence. Bf3+ was best. } (40. Bf3+ Kd4 41. Rd1+ Ke3 42. Qe5+ Be4+ 43. Qxe4+ Kf2 44. Qe1#) 40... Kd4 41. Rf2?? { (5.67 → -7.53) Blunder. Qf6+ was best. } (41. Qf6+ Kc5 42. Qc3+ Kd6 43. Qg3+ Ke7 44. Qe5+ Be6 45. Re1 Qxb2+ 46. Qxb2 Rxb2+ 47. Kxb2 Kf7) 41... Qb4?? { (-7.53 → 0.81) Blunder. Be4+ was best. } (41... Be4+ 42. Qxe4+ Kxe4 43. Rc2 Qd4 44. Be2 Kf4 45. Ka2 Qa4+ 46. Kb1 Qe4 47. Bf3 Qd4 48. Be2) 42. Qf6+?! { (0.81 → 0.24) Inaccuracy. Qg7+ was best. } (42. Qg7+ Kc5 43. Qe7+ Kd4 44. Qxa7+ Rb6 45. Kc1 Kd3 46. Qh7+ Kc4 47. Qxh6 Ra6 48. b3+ Kb5) 42... Kc5?! { (0.24 → 0.97) Inaccuracy. Kc4 was best. } (42... Kc4 43. Qe5 Rd8 44. Bf3 Kb5 45. Bxd5 Rxd5 46. Qb8+ Ka4 47. Qxa7+ Qa5 48. Qxa5+ Kxa5 49. Rf6) 43. Rc2+? { (0.97 → -0.35) Mistake. Qe7+ was best. } (43. Qe7+) 43... Kb6 44. Be2?? { (-0.56 → Mate in 6) Checkmate is now unavoidable. Bf3 was best. } (44. Bf3 Qe1+ 45. Rc1 Ba2+ 46. Kc2 Qe6 47. Qc3 Qc4 48. Qxc4 Bxc4 49. Re1 a5 50. Re7 Rd8) 44... Be4?? { (Mate in 6 → -3.48) Lost forced checkmate sequence. Qe1+ was best. } (44... Qe1+ 45. Rc1 Be4+ 46. Ka2 Qa5+ 47. Kb3 Kc7+ 48. Bb5 Rxb5+ 49. Kc4 Qb4#) 45. Qf2+? { (-3.48 → -6.75) Mistake. Bd3 was best. } (45. Bd3 Bxd3 46. Qxc6+ Ka5 47. Qd5+ Bb5 48. Rc7 Kb6 49. Rh7 Bc6 50. Rxh6 Rc8 51. Re6 Kb7) 45... Ka5?? { (-6.75 → Mate in 1) Checkmate is now unavoidable. Kb7 was best. } (45... Kb7) 46. Qxa7# { White wins by checkmate. } 1-0