[Event "2nd BC18 Intraclass Swiss Cup"] [Site "https://lichess.org/EdfdhDPv"] [Date "2025.09.12"] [Round "-"] [White "cosmos30"] [Black "neon025"] [Result "0-1"] [GameId "EdfdhDPv"] [UTCDate "2025.09.12"] [UTCTime "01:30:05"] [WhiteElo "1818"] [BlackElo "1589"] [WhiteRatingDiff "-59"] [BlackRatingDiff "+55"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A03"] [Opening "Bird Opening: Dutch Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 { [%eval -0.23] } 1... d5 { [%eval -0.17] } { A03 Bird Opening: Dutch Variation } 2. Nc3 { [%eval -0.38] } 2... Nf6 { [%eval -0.41] } 3. d4 { [%eval -0.55] } 3... e6 { [%eval -0.52] } 4. e3 { [%eval -0.51] } 4... Ne4?! { (-0.51 → 0.14) Inaccuracy. c5 was best. } { [%eval 0.14] } (4... c5 5. Bd2 Nc6 6. Nf3 a6 7. Bd3 b5 8. O-O c4 9. Be2) 5. Nb5?? { (0.14 → -2.18) Blunder. Nxe4 was best. } { [%eval -2.18] } (5. Nxe4 dxe4 6. Ne2 Be7 7. b3 O-O 8. Bb2 a5 9. Nc3 f5) 5... a6 { [%eval -2.03] } 6. Na3?! { (-2.03 → -3.03) Inaccuracy. Nc3 was best. } { [%eval -3.03] } (6. Nc3 Qh4+ 7. g3 Nxg3 8. Nf3 Qh5 9. Rg1 Nxf1 10. Rxf1 Nc6 11. Qe2 Bd7) 6... Qh4+ { [%eval -2.92] } 7. g3 { [%eval -3.13] } 7... Nxg3 { [%eval -3.08] } 8. hxg3 { [%eval -3.63] } 8... Qxh1 { [%eval -3.32] } 9. Nh3 { [%eval -3.87] } 9... Bxa3 { [%eval -3.58] } 10. bxa3 { [%eval -3.6] } 10... Bd7 { [%eval -3.66] } 11. Bb2?! { (-3.66 → -4.93) Inaccuracy. Rb1 was best. } { [%eval -4.93] } (11. Rb1 Bb5 12. Rxb5 axb5 13. Qd2 Nd7 14. g4 h6 15. Nf2 Qh4 16. Bd3 c6) 11... Bb5 { [%eval -4.92] } 12. c4 { [%eval -5.25] } 12... Bxc4 { [%eval -5.25] } 13. Kd2 { [%eval -5.34] } 13... Bxf1 { [%eval -5.18] } 14. Qa4+?! { (-5.18 → -7.37) Inaccuracy. Nf2 was best. } { [%eval -7.37] } (14. Nf2 Qg2 15. Qxf1 Qxf1 16. Rxf1 Nd7 17. Rc1 Nb6 18. Rxc7 Nc4+ 19. Rxc4 dxc4) 14... Nc6 { [%eval -7.43] } 15. g4 { [%eval -8.92] } 15... Qxh3 { [%eval -8.89] } 16. Re1 { [%eval -8.79] } 16... Qg2+ { [%eval -8.74] } 17. Kc3 { [%eval -8.92] } 17... Bb5 { [%eval -8.72] } 18. Qd1 { [%eval -8.88] } 18... f6 { [%eval -8.67] } 19. f5 { [%eval -8.8] } 19... exf5 { [%eval -8.72] } 20. gxf5 { [%eval -8.82] } 20... O-O-O { [%eval -8.83] } 21. Bc1 { [%eval -8.71] } 21... Rhe8 { [%eval -8.57] } 22. Qg4 { [%eval -11.57] } 22... Qxg4 { [%eval -11.1] } 23. Kd2?! { (-11.10 → Mate in 7) Checkmate is now unavoidable. Kb2 was best. } { [%eval #-7] } (23. Kb2 Kb8 24. Ka1 Qxf5 25. Bd2 Qc8 26. Rb1 g5 27. e4 dxe4 28. Rc1 g4) 23... Qxf5 { [%eval #-6] } 24. Bb2 { [%eval #-3] } 24... Qd3+ { [%eval #-2] } 25. Kc1 { [%eval #-2] } 25... Ba4 { [%eval #-1] } 26. Rf1 { [%eval #-1] } 26... Qc2# { Black wins by checkmate. } 0-1