[Event "Casual correspondence game"] [Site "https://lichess.org/aKRBVH6z"] [Date "2021.05.18"] [White "Rus23Koz"] [Black "Lean1ks"] [Result "1-0"] [UTCDate "2021.05.18"] [UTCTime "12:00:26"] [WhiteElo "1500"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "-"] [ECO "D04"] [Opening "Queen's Pawn Game: Colle System"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. e3 d5 3. d4 { D04 Queen's Pawn Game: Colle System } g6 4. c4 c6 5. a3 Be6 6. Nbd2 Nbd7 7. Qc2 h6 8. b4 a5 9. Bb2 Bf5 10. Bd3 Bxd3 11. Qxd3 axb4 12. axb4 Rxa1+ 13. Bxa1 Qb6 14. Bc3 dxc4 15. Nxc4 Qb5? { (0.86 → 2.37) Mistake. Qc7 was best. } (15... Qc7 16. e4 Nb6 17. b5 Nxc4 18. Qxc4 Bg7 19. d5 O-O 20. dxc6 bxc6 21. bxc6 Nxe4 22. Bxg7) 16. O-O e6?! { (1.76 → 2.80) Inaccuracy. Nb6 was best. } (16... Nb6) 17. Ra1 Nb6?! { (3.02 → 4.23) Inaccuracy. Qf5 was best. } (17... Qf5 18. Qe2) 18. Nfe5 Nxc4 19. Nxc4 Qd5? { (3.74 → 6.09) Mistake. Qf5 was best. } (19... Qf5) 20. Ra8+ Ke7 21. Ra7 Qd7?! { (6.04 → 8.67) Inaccuracy. Ke8 was best. } (21... Ke8 22. Rxb7) 22. Ne5 Qc8 23. b5 Ke8 24. bxc6 bxc6 25. Qc4 Ne4 26. Bb4 Bxb4? { (8.83 → Mate in 9) Checkmate is now unavoidable. Rh7 was best. } (26... Rh7 27. Nxg6) 27. Qxb4 c5 28. Qa4+ Kf8 29. Ra8?? { (Mate in 7 → 6.90) Lost forced checkmate sequence. Rxf7+ was best. } (29. Rxf7+ Kg8 30. Rg7+ Kxg7 31. Qa7+ Qc7 32. Qxc7+ Kf6 33. Qf7+ Kg5 34. Qxg6+ Kh4 35. Qg4#) 29... Kg7 30. Rxc8 Rxc8 31. dxc5 Rd8 32. h3 Nf6 33. c6 Rf8 34. Qd4 Kg8 35. Nd7 Nxd7 36. Qxd7 Ra8 37. c7 Ra1+ 38. Kh2 Ra8 39. c8=Q+ Rxc8 40. Qxc8+ Kg7 41. Qc3+ Kg8 42. Qf6 h5?! { (63.33 → Mate in 11) Checkmate is now unavoidable. Kf8 was best. } (42... Kf8 43. Qh8+) 43. g4?! { (Mate in 11 → 79.02) Lost forced checkmate sequence. Kg3 was best. } (43. Kg3 e5 44. Qxe5 g5 45. Qxg5+ Kf8 46. Qd8+ Kg7 47. Kf4 Kh7 48. Qg5 f6 49. Qxf6 Kg8) 43... hxg4 44. hxg4 Kf8 45. g5 Ke8 46. e4 Kf8 47. e5 Ke8 48. f4 Kf8 49. Kg3 Kg8 50. Qe7 Kg7 51. Qe8 f6 52. exf6+ Kh7 53. Qf7+ Kh8 { Black resigns. } 1-0