[Event "KHỐI 4 Cấp Thành phố 2023"] [Site "https://lichess.org/EWc0RMKL"] [Date "2023.05.24"] [White "Phucan_2013thyl"] [Black "Duyquan4c"] [Result "0-1"] [UTCDate "2023.05.24"] [UTCTime "08:15:44"] [WhiteElo "1690"] [BlackElo "1488"] [WhiteRatingDiff "-236"] [BlackRatingDiff "+37"] [Variant "Standard"] [TimeControl "600+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 e6 { A40 Horwitz Defense } 2. Nf3 d5 3. e3 c6 4. c3 Nf6 5. Nbd2 Qe7 6. c4?! { (0.90 → 0.31) Inaccuracy. Bd3 was best. } (6. Bd3) 6... dxc4?! { (0.31 → 0.87) Inaccuracy. g6 was best. } (6... g6 7. b3 b6 8. a4 a5 9. Ne5 Bb7 10. Ba3 Qd8 11. Bxf8 Kxf8 12. h4 Nbd7 13. Rc1) 7. Bxc4 b5 8. Be2 Ng4?! { (0.99 → 2.06) Inaccuracy. a5 was best. } (8... a5 9. e4) 9. h3 Nf6 10. O-O Qb4?! { (1.51 → 2.38) Inaccuracy. a5 was best. } (10... a5 11. Qc2 b4 12. a3 Qc7 13. Nc4 bxa3 14. Bd2 Be7 15. Nxa3 Nd5 16. e4 Nb4 17. Qc1) 11. a3 Qd6 12. b4?! { (2.15 → 1.53) Inaccuracy. Qc2 was best. } (12. Qc2 Qd8 13. a4 Be7 14. axb5 cxb5 15. Ne4 O-O 16. Nxf6+ Bxf6 17. Bd3 Bb7 18. Bxh7+ Kh8) 12... a5 13. Rb1?! { (1.62 → 1.02) Inaccuracy. bxa5 was best. } (13. bxa5) 13... axb4 14. axb4 Ra4 15. d5? { (1.60 → 0.20) Mistake. Nb3 was best. } (15. Nb3 Qc7 16. Nc5 Bxc5 17. bxc5 Nbd7 18. Bd3 O-O 19. e4 e5 20. Bc2 Ra8 21. Bb2 Rd8) 15... exd5 16. Nd4?! { (0.28 → -0.70) Inaccuracy. Qc2 was best. } (16. Qc2) 16... Qe5?? { (-0.70 → 3.06) Blunder. Bd7 was best. } (16... Bd7 17. Bb2 Be7 18. Bd3 O-O 19. Nc2 Na6 20. Bc3 h6 21. Nf3 Qc7 22. Ne5 Rd8 23. Qe2) 17. Nxc6 Nxc6 18. Bxb5 Bd6? { (2.68 → 4.58) Mistake. Rxb4 was best. } (18... Rxb4 19. Bxc6+) 19. Bxc6+ Ke7 20. Qxa4?? { (4.56 → Mate in 1) Checkmate is now unavoidable. Nf3 was best. } (20. Nf3 Qe4 21. Qxa4 Qxb1 22. Qa7+ Nd7 23. Nd4 Qd3 24. Bb5 Qg6 25. Ba3 Re8 26. Rc1 Bb8) 20... Qh2# { Black wins by checkmate. } 0-1