[Event "Rated classical game"] [Site "https://lichess.org/BkcBoOnp"] [Date "2023.12.04"] [White "kiankachoiyan"] [Black "optokopper"] [Result "0-1"] [UTCDate "2023.12.04"] [UTCTime "13:46:09"] [WhiteElo "1367"] [BlackElo "1668"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+58"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 e6 { A40 Horwitz Defense } 2. Qd3?! { (0.33 → -0.41) Inaccuracy. e4 was best. } (2. e4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6) 2... d5 3. Bf4 Nf6 4. Be5?! { (-0.28 → -0.99) Inaccuracy. e3 was best. } (4. e3 Bd6 5. Nf3 O-O 6. Be2 b6 7. Bxd6 Qxd6 8. Qa3 c5) 4... Be7 5. Bxf6 Bxf6 6. e4? { (-0.61 → -1.95) Mistake. e3 was best. } (6. e3 Nd7) 6... O-O?! { (-1.95 → -1.25) Inaccuracy. dxe4 was best. } (6... dxe4 7. Qxe4 Qxd4 8. Qxd4 Bxd4 9. c3 Bf6 10. Nd2 Nd7 11. O-O-O Nc5 12. f4 O-O 13. Ngf3) 7. exd5 exd5 8. Be2 Re8 9. Nc3 Nc6 10. Nf3 Bg4 11. O-O-O?? { (-0.72 → -2.56) Blunder. O-O was best. } (11. O-O g6 12. Rae1 a6 13. Nd1 Bxf3 14. Bxf3 Rxe1 15. Rxe1 Nxd4) 11... a5? { (-2.56 → -0.95) Mistake. Nb4 was best. } (11... Nb4 12. Qd2 Bxf3 13. gxf3 c5 14. Kb1 cxd4 15. Ne4 dxe4 16. Qxb4 d3 17. cxd3 e3 18. fxe3) 12. h3?! { (-0.95 → -1.66) Inaccuracy. Kb1 was best. } (12. Kb1) 12... Bh5 13. g4 Bg6 14. Qb5?? { (-1.67 → -4.26) Blunder. Qd2 was best. } (14. Qd2 Nb4) 14... Nb4 15. Qxb7 Nxa2+ 16. Nxa2 Rxe2 17. h4?? { (-3.90 → -9.98) Blunder. Rd2 was best. } (17. Rd2 Re6 18. Nc3 Rb8 19. Qxd5 Qxd5 20. Nxd5 Be4 21. Nxf6+ Rxf6 22. Ne5 Bxh1 23. Nd7 Rfb6) 17... Rxc2+ 18. Kb1 Rb8 19. Qa7?! { (-10.21 → Mate in 4) Checkmate is now unavoidable. Nb4 was best. } (19. Nb4 Rxf2+ 20. Nd3 Rxb7 21. Kc1 Bxd3 22. Rxd3 Rfxb2 23. Rd2 R2b3 24. Re1 Bxh4 25. Nxh4 Rb1+) 19... Rcxb2+?? { (Mate in 4 → -6.81) Lost forced checkmate sequence. Rbxb2+ was best. } (19... Rbxb2+ 20. Ka1 Rxa2+ 21. Kb1 Rcb2+ 22. Kc1 Rb1#) 20. Kc1?? { (-6.81 → Mate in 1) Checkmate is now unavoidable. Ka1 was best. } (20. Ka1 Qd6 21. g5 Qa3 22. Qxb8+ Rxb8 23. Rb1 Bxb1 24. Rxb1 Rxb1+ 25. Kxb1 Qd3+ 26. Kc1 Qf1+) 20... Rxa2 21. g5 Rb1# { Black wins by checkmate. } 0-1