[Event "2021 Summer Marathon"] [Site "https://lichess.org/UGvKoMoJ"] [Date "2021.08.07"] [White "OhanyanEminChess"] [Black "A_H_Kashefi"] [Result "1-0"] [UTCDate "2021.08.07"] [UTCTime "15:11:12"] [WhiteElo "2923"] [BlackElo "2486"] [WhiteRatingDiff "+1"] [BlackRatingDiff "+0"] [WhiteTitle "GM"] [BlackTitle "FM"] [Variant "Standard"] [TimeControl "60+0"] [ECO "B62"] [Opening "Sicilian Defense: Richter-Rauzer Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. Qd3 { B62 Sicilian Defense: Richter-Rauzer Variation } Be7 8. O-O-O O-O 9. f4 a6?! { (0.33 → 1.17) Inaccuracy. Nxd4 was best. } (9... Nxd4 10. Qxd4) 10. h4 h6 11. Be2 Qc7?! { (0.57 → 1.67) Inaccuracy. Nxd4 was best. } (11... Nxd4 12. Qxd4 b5 13. Bf3 Rb8 14. Bxf6 Bxf6 15. Qxd6 Bb7 16. Qxd8 Rbxd8 17. e5 Bxf3 18. gxf3) 12. Kb1? { (1.67 → 0.51) Mistake. Nxc6 was best. } (12. Nxc6 bxc6) 12... Rd8? { (0.51 → 1.69) Mistake. Nxd4 was best. } (12... Nxd4 13. Qxd4) 13. Qe3? { (1.69 → 0.19) Mistake. Nxc6 was best. } (13. Nxc6) 13... b5?? { (0.19 → 6.00) Blunder. Nxd4 was best. } (13... Nxd4 14. Rxd4 b5 15. e5 dxe5 16. Rxd8+ Qxd8 17. Bxf6 Bxf6 18. fxe5 Be7 19. Qe4 Rb8 20. Bd3) 14. e5?! { (6.00 → 4.09) Inaccuracy. Nxc6 was best. } (14. Nxc6 Qxc6 15. e5 dxe5 16. Rxd8+ Bxd8 17. Bxf6 exf4 18. Qxf4 Bxf6 19. Bf3 Bb7 20. Bxc6 Bxc6) 14... dxe5?! { (4.09 → 5.72) Inaccuracy. Nxe5 was best. } (14... Nxe5 15. fxe5 dxe5 16. Nc6 Rxd1+ 17. Bxd1 Bf8 18. Nxe5 b4 19. Bxf6 gxf6 20. Ng4 Bg7 21. Ne4) 15. Nxc6 Qxc6 16. fxe5 Rxd1+ 17. Rxd1 hxg5 18. exf6 Bxf6 19. hxg5 Bxc3? { (7.46 → Mate in 5) Checkmate is now unavoidable. Bxg5 was best. } (19... Bxg5 20. Qxg5 Bb7 21. Bf3 Qc7 22. Rh1 Bxf3 23. gxf3 Rc8 24. a3 Qc4 25. Qe5 Qc7 26. Qh5) 20. Qxc3?? { (Mate in 5 → -0.18) Lost forced checkmate sequence. Rd8+ was best. } (20. Rd8+ Kh7 21. Bd3+ f5 22. gxf6+ Qe4 23. Bxe4+ g6 24. Qh3#) 20... Qxc3 21. Rd8+ Kh7 22. bxc3 Bb7? { (0.10 → 1.56) Mistake. Kg6 was best. } (22... Kg6 23. Bf3 Rb8 24. Rg8 Kxg5 25. Rxg7+ Kf6 26. Rg8 Ke7 27. g4 f5 28. gxf5 exf5 29. Kb2) 23. Bd3+ g6 24. Rd7 Bxg2 25. Rxf7+ Kg8 26. Bxg6 Rc8 27. Kb2?! { (1.28 → 0.33) Inaccuracy. Ra7 was best. } (27. Ra7 Rxc3) 27... Bd5?? { (0.33 → 2.31) Blunder. Be4 was best. } (27... Be4) 28. Ra7 Rc6?! { (2.34 → 3.37) Inaccuracy. Rc4 was best. } (28... Rc4 29. Bf7+ Kf8 30. g6 Rg4 31. Rxa6 Ke7 32. Ra7+ Kf8 33. Rc7 Rg2 34. a3 Rg4 35. Rc8+) 29. Bf7+ Kf8 30. g6 Rb6 31. Rd7?? { (3.73 → 1.26) Blunder. g7+ was best. } (31. g7+) 31... Rb7?? { (1.26 → 5.09) Blunder. Be4 was best. } (31... Be4 32. Kb3) 32. Rd6? { (5.09 → 2.86) Mistake. Rxb7 was best. } (32. Rxb7) 32... Ke7? { (2.86 → 5.17) Mistake. Re7 was best. } (32... Re7 33. Rxa6) 33. Rxa6?? { (5.17 → 2.42) Blunder. Rxd5 was best. } (33. Rxd5 exd5 34. Bxd5 Rd7 35. g7 Rxd5 36. g8=Q Rd6 37. Qc8 Re6 38. Qc7+ Kf8 39. Qd8+ Kf7) 33... b4?! { (2.42 → 3.17) Inaccuracy. Bc4 was best. } (33... Bc4 34. Ra8 Kf6 35. Rf8 Kg7 36. Re8 Rb6 37. Re7 Kf6 38. Rc7 e5 39. Kc1 Bxf7 40. gxf7) 34. cxb4 Rxb4+ 35. Kc1 Rg4 36. a4 Rg2 37. a5 Be4?? { (3.90 → 13.56) Blunder. Rg1+ was best. } (37... Rg1+ 38. Kb2) 38. Rxe6+ Kf8 39. Rxe4 Kg7 40. a6 Rh2?! { (71.51 → Mate in 29) Checkmate is now unavoidable. Rg1+ was best. } (40... Rg1+ 41. Kb2) 41. a7 Rh8 42. Re8 Rh1+ 43. Kb2 Rh5 44. a8=Q Rb5+ 45. Kc1 Rc5 46. Rg8+ Kf6 47. Qa1+ Re5 48. Re8 Kg7 49. Qxe5+ Kh6 50. Rh8# { White wins by checkmate. } 1-0