[Event "rated classical game"] [Site "https://lichess.org/1CKQUfzQ"] [Date "2026.05.18"] [Round "-"] [White "zeynep-ece07"] [Black "Calvin245"] [Result "0-1"] [GameId "1CKQUfzQ"] [UTCDate "2026.05.18"] [UTCTime "18:40:47"] [WhiteElo "740"] [BlackElo "947"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+34"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 { [%eval 0.15] } 1... Nc6 { [%eval 0.6] } { A40 Mikenas Defense } 2. d5 { [%eval 0.5] } 2... Nb4 { [%eval 0.98] } 3. c3 { [%eval 0.67] } 3... Na6 { [%eval 0.76] } 4. b4?! { (0.76 → 0.19) Inaccuracy. e4 was best. } { [%eval 0.19] } (4. e4 Nc5 5. e5 d6 6. Be3 e6 7. Bxc5 dxc5 8. Bb5+ Bd7) 4... Nf6 { [%eval 0.22] } 5. d6? { (0.22 → -1.22) Mistake. Bb2 was best. } { [%eval -1.22] } (5. Bb2 g6 6. e3 Bg7 7. Nf3 O-O 8. Be2 c6 9. dxc6 dxc6) 5... exd6 { [%eval -0.83] } 6. b5? { (-0.83 → -2.01) Mistake. e4 was best. } { [%eval -2.01] } (6. e4 c6 7. Bd3 d5 8. e5 Ne4 9. Qe2 Nc7 10. f3 Ng5 11. h4 Nge6) 6... Nc5 { [%eval -1.83] } 7. a4 { [%eval -1.81] } 7... Be7 { [%eval -1.66] } 8. Ra3 { [%eval -2.25] } 8... d5 { [%eval -2.24] } 9. a5?! { (-2.24 → -3.49) Inaccuracy. e3 was best. } { [%eval -3.49] } (9. e3 a6 10. Qc2 O-O 11. Be2 Nce4 12. Ra2 axb5 13. axb5 Rxa2 14. Qxa2 c5) 9... a6 { [%eval -3.46] } 10. bxa6 { [%eval -3.38] } 10... Rxa6 { [%eval -3.23] } 11. Bf4 { [%eval -3.77] } 11... Nh5?! { (-3.77 → -2.53) Inaccuracy. Ne6 was best. } { [%eval -2.53] } (11... Ne6 12. Ra4 Nxf4 13. Rxf4 Rxa5 14. e3 O-O 15. Bd3 Bd6 16. Ra4 Rxa4 17. Qxa4) 12. Be5 { [%eval -2.53] } 12... d6?! { (-2.53 → -1.68) Inaccuracy. Ra8 was best. } { [%eval -1.68] } (12... Ra8 13. e3 d6 14. Bd4 Nf6 15. Bxf6 Bxf6 16. Qxd5 O-O 17. Nf3 Be6 18. Qd1) 13. Bxd6?? { (-1.68 → -5.61) Blunder. Bd4 was best. } { [%eval -5.61] } (13. Bd4 Nf6 14. e4 Ra7 15. exd5 Nxd5 16. Bxg7 Rg8 17. Bd4 c6 18. a6 Bf6) 13... Bxd6 { [%eval -4.82] } 14. e4 { [%eval -5.61] } 14... dxe4 { [%eval -4.91] } 15. Rb3?! { (-4.91 → -6.69) Inaccuracy. Qxh5 was best. } { [%eval -6.69] } (15. Qxh5 Rc6 16. Ra2 O-O 17. Nh3 h6 18. Nd2 Re8 19. Bc4 Nd3+ 20. Kf1 Ne5) 15... Nxb3 { [%eval -6.75] } 16. c4?? { (-6.75 → Mate in 9) Checkmate is now unavoidable. Bxa6 was best. } { [%eval #-9] } (16. Bxa6 bxa6 17. Qxb3 O-O 18. Ne2 e3 19. O-O Qh4 20. g3 exf2+ 21. Rxf2 Nxg3) 16... Nxa5? { (Mate in 9 → -8.25) Lost forced checkmate sequence. Bb4+ was best. } { [%eval -8.25] } (16... Bb4+ 17. Qd2 Nxd2 18. Be2 Nxb1+ 19. Kf1 Nd2+ 20. Ke1 Rxa5 21. g4 Ra1+ 22. Bd1) 17. c5 { [%eval -8.27] } 17... Bxc5 { [%eval -8.17] } 18. Bd3 { [%eval -10.31] } 18... Bb4+ { [%eval -10.24] } 19. Nd2 { [%eval -10.22] } 19... Qxd3 { [%eval -9.91] } 20. f4? { (-9.91 → Mate in 7) Checkmate is now unavoidable. Ne2 was best. } { [%eval #-7] } (20. Ne2 Qxd2+ 21. Qxd2 Nc4 22. Nc3 Nxd2 23. Kxd2 Rc6 24. Rc1 f6 25. g4 Nf4) 20... e3 { [%eval #-6] } 21. f5 { [%eval #-3] } 21... exd2+ { [%eval #-2] } 22. Qxd2 { [%eval #-2] } 22... Qxd2+ { [%eval #-1] } 23. Kf1 { [%eval #-1] } 23... Qe1# { Black wins by checkmate. } 0-1