[Event "Швейцарская система - классика"] [Site "https://lichess.org/eWGTCRes"] [Date "2023.07.31"] [White "BLG_Yerassyl"] [Black "igrok1993"] [Result "1-0"] [UTCDate "2023.07.31"] [UTCTime "08:17:14"] [WhiteElo "2033"] [BlackElo "2021"] [WhiteRatingDiff "+83"] [BlackRatingDiff "-124"] [Variant "Standard"] [TimeControl "1800+30"] [ECO "D02"] [Opening "London System: Poisoned Pawn Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Qb6 5. Nc3 { D02 London System: Poisoned Pawn Variation } Qxb2?? { (-0.13 → 4.01) Blunder. a6 was best. } (5... a6 6. Be2 e6 7. O-O Bd7 8. b3 Qa5 9. Qe1 cxd4 10. exd4) 6. Nb5 Na6 7. Rb1?? { (3.82 → 1.57) Blunder. a3 was best. } (7. a3 Bf5 8. dxc5 Bxc2 9. Qc1 Qxc1+ 10. Rxc1 Bf5 11. Nbd4 Nxc5) 7... Qxa2 8. Ra1 Qb2 9. dxc5 Qb4+?! { (1.68 → 2.39) Inaccuracy. Ne4 was best. } (9... Ne4 10. Be5) 10. c3 Qxc5 11. Ra5 Qc6 12. Nfd4 Qb6? { (2.57 → 4.36) Mistake. Qd7 was best. } (12... Qd7 13. Rxa6 bxa6 14. Nc7+ Kd8 15. Nxa8 e5 16. Bxe5 Bd6 17. Bxf6+ gxf6 18. Be2 Qb7 19. Bf3) 13. Rxa6 bxa6 14. Nc7+ Kd7? { (4.48 → 7.55) Mistake. Kd8 was best. } (14... Kd8 15. Nxa8 Qb7 16. Nc7 Qb6 17. Qa1 e6 18. Nxa6 Bd6 19. Bxd6 Qxd6 20. Nb4 Bd7 21. Bb5) 15. Nxa8? { (7.55 → 3.67) Mistake. Qa4+ was best. } (15. Qa4+ Kd8 16. Nc6+ Kd7 17. Nxa7+ Kd8 18. Nc6+ Kd7 19. Nb4+ Kd8 20. Nxa8 Qc5 21. Bc7+ Qxc7) 15... Qb2?? { (3.67 → Mate in 4) Checkmate is now unavoidable. Qa5 was best. } (15... Qa5 16. Qb3 Ne4 17. Bd3 Qxc3+ 18. Qxc3 Nxc3 19. Kd2 e5 20. Bxe5 Ne4+ 21. Bxe4 Bb4+ 22. Ke2) 16. Qa4+ { Black resigns. } 1-0