[Event "Torneo de prueba Secundaria Arena"] [Site "https://lichess.org/OEF4iby7"] [Date "2026.04.10"] [Round "-"] [White "da-sha-453789"] [Black "sebasprime17"] [Result "0-1"] [GameId "OEF4iby7"] [UTCDate "2026.04.10"] [UTCTime "00:47:44"] [WhiteElo "595"] [BlackElo "1072"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+2"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A20"] [Opening "English Opening: King's English Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 { [%eval 0.11] } 1... e5 { [%eval 0.14] } { A20 English Opening: King's English Variation } 2. c5? { (0.14 → -1.42) Mistake. g3 was best. } { [%eval -1.42] } (2. g3 c6 3. Nf3 e4 4. Nd4 d5 5. cxd5 Qxd5 6. Nc2 Nf6) 2... d6?! { (-1.42 → -0.47) Inaccuracy. Bxc5 was best. } { [%eval -0.47] } (2... Bxc5 3. Nf3 Qe7 4. Nc3 Nf6 5. d4 exd4 6. Nxd4 Nc6 7. Nb3) 3. cxd6 { [%eval -0.44] } 3... cxd6 { [%eval -0.15] } 4. Qb3?! { (-0.15 → -1.13) Inaccuracy. e4 was best. } { [%eval -1.13] } (4. e4 Nf6 5. Nc3 Nc6 6. Nf3 Be7 7. d4 exd4 8. Nxd4 O-O) 4... Nc6 { [%eval -1.0] } 5. Qxb7?? { (-1.00 → -7.29) Blunder. e3 was best. } { [%eval -7.29] } (5. e3 d5 6. Bb5 Be6 7. d4 e4 8. Bd2 a6 9. Bxc6+ bxc6 10. Qc2 Rc8) 5... Bxb7 { [%eval -7.1] } 6. b4 { [%eval -7.64] } 6... Nxb4 { [%eval -7.56] } 7. a3 { [%eval -8.53] } 7... Nc6 { [%eval -7.29] } 8. a4 { [%eval -7.57] } 8... d5 { [%eval -7.52] } 9. a5 { [%eval -7.9] } 9... Nxa5 { [%eval -7.15] } 10. Rxa5 { [%eval -7.81] } 10... Qxa5 { [%eval -7.79] } 11. Na3 { [%eval -9.65] } 11... Bc6 { [%eval -9.07] } 12. Nc4 { [%eval -9.81] } 12... dxc4 { [%eval -9.49] } 13. Ba3? { (-9.49 → Mate in 11) Checkmate is now unavoidable. e3 was best. } { [%eval #-11] } (13. e3 Qa1 14. Ne2 Rd8 15. f3 Bb4 16. Kf2 Rxd2 17. Kg1 f6 18. h4 Qa5) 13... Qxa3 { [%eval -11.95] } 14. Kd1?! { (-11.95 → Mate in 2) Checkmate is now unavoidable. e4 was best. } { [%eval #-2] } (14. e4 Qc1+ 15. Ke2 Ba4 16. Kf3 Qxf1 17. Ne2 Qxh1 18. Nc3 Qf1 19. Kg3 h5) 14... Rb8 { [%eval #-2] } 15. d4 { [%eval #-2] } 15... exd4 { [%eval #-2] } 16. e3 { [%eval #-2] } 16... Bc5 { [%eval #-3] } 17. exd4 { [%eval #-3] } 17... Bxd4 { [%eval #-3] } 18. f3 { [%eval #-2] } 18... Rb2 { [%eval #-2] } 19. Ke1 { [%eval #-1] } 19... Qa1# { Black wins by checkmate. } 0-1