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[Event "Phase 1 Olympiad Qualifier"] [Site "https://lichess.org/9E3NwPHl"] [Date "2020.07.11"] [White "ikemat35"] [Black "mkouski"] [Result "1-0"] [UTCDate "2020.07.11"] [UTCTime "14:53:46"] [WhiteElo "2076"] [BlackElo "2060"] [WhiteRatingDiff "+9"] [BlackRatingDiff "-8"] [Variant "Standard"] [TimeControl "900+5"] [ECO "E38"] [Opening "Nimzo-Indian Defense: Classical Variation, Berlin Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 { E38 Nimzo-Indian Defense: Classical Variation, Berlin Variation } 5. dxc5 Bxc5 6. a3 a5 7. Nf3 h6 8. e3 O-O 9. Be2 b6 10. O-O Bb7 11. b3 d6 12. Bb2 Nbd7 13. Rfd1 Qc8 14. Rac1 Rd8 15. Nd2 d5 16. cxd5 Nxd5 17. Nc4 N7f6? { (0.59 → 1.91) Mistake. Nxc3 was best. } (17... Nxc3) 18. Nb5? { (1.91 → 0.64) Mistake. Na4 was best. } (18. Na4) 18... Ba6 19. Nd4 Be7?! { (0.36 → 1.26) Inaccuracy. Qc7 was best. } (19... Qc7) 20. Qb1 Bxc4? { (1.08 → 2.43) Mistake. Qb7 was best. } (20... Qb7 21. Bf3) 21. bxc4 Nc7 22. Bf3 Ra6? { (2.56 → 4.75) Mistake. Nce8 was best. } (22... Nce8) 23. Nc6 Rxd1+?! { (4.65 → 7.46) Inaccuracy. Re8 was best. } (23... Re8 24. Qa1 e5 25. Bxe5 Bf8 26. Bxf6 gxf6 27. Qxf6 Ne6 28. Be4 Bg7 29. Qf5 Kf8 30. Qh5) 24. Rxd1 Qe8 25. Be5 Ncd5 26. cxd5 Nxd5 27. Bxd5 exd5 28. Nxe7+ Qxe7 29. Rxd5 f6 30. Qb3 Kh8 31. Qd3 Ra8 32. Bg3 Rc8 33. h3 Rc1+ 34. Kh2 Rc8 35. Rd7 Qe8 36. Bc7 Qe6 37. Qd4 b5 38. Bxa5 Rc4 39. Rd8+ Kh7 40. Qd3+ f5 41. Bb4 Qe5+ 42. f4 Qe6 43. Rd6 Qc8 44. Rd5 Re4 45. Bd6 Qc1 46. Bc5 Kg6? { (8.23 → Mate in 10) Checkmate is now unavoidable. Qc4 was best. } (46... Qc4 47. Qd1 Re6 48. Rxf5 Qa4 49. Qd7 Qe4 50. Rd5 Rg6 51. Rd2 h5 52. Bd4 Qb1 53. f5) 47. Qxb5?! { (Mate in 10 → 64.24) Lost forced checkmate sequence. Rd6+ was best. } (47. Rd6+ Kh7 48. Qd5 Qc4 49. Qxf5+ Kh8 50. Rd8+ Qg8 51. Rxg8+ Kxg8 52. Qxe4 Kf7 53. f5 Kg8) 47... Rxe3?! { (64.24 → Mate in 9) Checkmate is now unavoidable. Re6 was best. } (47... Re6 48. Rd7) 48. Bxe3 Qxe3 49. Rxf5 Qxa3 50. Rh5 Kh7 51. Qf5+ Kg8 52. Qe6+ Kh7 53. Re5?! { (Mate in 16 → 73.19) Lost forced checkmate sequence. Qe4+ was best. } (53. Qe4+ Kg8 54. Qd5+ Kh7 55. Re5 Qa4 56. Qf7 Qa6 57. Re6 Qc4 58. Qg6+ Kh8 59. Re8+ Qg8) 53... Qc1?! { (73.19 → Mate in 3) Checkmate is now unavoidable. Qf8 was best. } (53... Qf8 54. g3) 54. Re4 Qd2 55. Qf5+ g6 56. Re7+ Kh8 57. Qf8# { White wins by checkmate. } 1-0