[Event "Torneo de Práctica Aprendamos"] [Site "https://lichess.org/suNvNj0D"] [Date "2021.06.26"] [White "JCAO21"] [Black "leo1234chess"] [Result "0-1"] [UTCDate "2021.06.26"] [UTCTime "22:11:02"] [WhiteElo "1302"] [BlackElo "1500"] [WhiteRatingDiff "-174"] [BlackRatingDiff "+397"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. g3 g6 3. Bg2 Bh6? { (0.01 → 1.27) Mistake. d5 was best. } (3... d5 4. d4 Bg7 5. O-O Nf6 6. Be3 O-O 7. h3 Re8 8. Nbd2) 4. Nc3 Nf6 5. e3?! { (0.85 → 0.30) Inaccuracy. d4 was best. } (5. d4 Bg7 6. e4 d6 7. O-O O-O 8. h3 e5 9. Be3 Bd7 10. Qd2 b5 11. a3 exd4) 5... O-O 6. b3?! { (0.46 → -0.35) Inaccuracy. d4 was best. } (6. d4 d6 7. d5 Na5 8. e4 Bg7 9. O-O c6 10. Re1 Bd7 11. dxc6 Bxc6 12. Nd5 e6) 6... a5?! { (-0.35 → 0.22) Inaccuracy. e5 was best. } (6... e5 7. d3 d5 8. O-O Re8 9. e4 Bxc1 10. Qxc1 dxe4 11. Nxe4 Nxe4 12. dxe4 Qe7 13. Qe3) 7. Bb2 b6?! { (-0.15 → 0.77) Inaccuracy. e5 was best. } (7... e5 8. e4 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. O-O e4 12. Ne1 a4 13. d3 a3 14. Bxe4) 8. Qe2?! { (0.77 → -0.08) Inaccuracy. Nd4 was best. } (8. Nd4 Bb7) 8... Nb4?! { (-0.08 → 1.00) Inaccuracy. Ba6 was best. } (8... Ba6 9. Qd1 e6 10. Ne2 d5 11. O-O Bg7 12. d3 Qd6 13. c4 Rad8 14. Ned4 Nxd4 15. exd4) 9. Qd1?! { (1.00 → 0.35) Inaccuracy. d3 was best. } (9. d3) 9... Ba6 10. Nd4?? { (0.65 → -1.14) Blunder. a3 was best. } (10. a3 Nc6) 10... c5 11. Nde2 Bxe2?? { (-0.92 → 1.13) Blunder. Rc8 was best. } (11... Rc8 12. a3) 12. Qxe2?? { (1.13 → -4.89) Blunder. Nxe2 was best. } (12. Nxe2 Rc8 13. Bxf6 exf6 14. d4 cxd4 15. Nxd4 d5 16. O-O Rc5 17. a3 Na6 18. Ne2 f5) 12... Nxc2+ 13. Kd1 Nxa1 14. Bxa1 Bg7?! { (-5.55 → -3.91) Inaccuracy. d5 was best. } (14... d5) 15. Nb5?! { (-3.91 → -5.87) Inaccuracy. Bxa8 was best. } (15. Bxa8 Qxa8 16. Re1 d5 17. Nb5 a4 18. Bxf6 Bxf6 19. Qd3 axb3 20. axb3 d4 21. exd4 Rd8) 15... Ne4?? { (-5.87 → 2.22) Blunder. a4 was best. } (15... a4 16. Bxf6) 16. Bxe4?? { (2.22 → -3.46) Blunder. Bxg7 was best. } (16. Bxg7 Kxg7 17. Bxe4 d5 18. Bc2 e6 19. Qd3 Qf6 20. Ke2 Rad8 21. Nc3 Rd7 22. h4 h5) 16... Bxa1 17. Bxa8 Qxa8 18. Nc7?? { (-3.55 → -9.71) Blunder. Rf1 was best. } (18. Rf1 a4) 18... Qxh1+ 19. Kc2 Qe4+ 20. d3 Qe5 21. Na6 Ra8 22. f4 Qc3+ 23. Kd1 Qb2 24. Qf3 Rxa6 25. d4 cxd4 26. exd4 Qxd4+ 27. Kc2?! { (-14.25 → Mate in 7) Checkmate is now unavoidable. Ke2 was best. } (27. Ke2 Ra7) 27... Qc3+?! { (Mate in 7 → -10.20) Lost forced checkmate sequence. b5 was best. } (27... b5 28. Qd3 Rc6+ 29. Kd2 Qf2+ 30. Kd1 Bb2 31. Qd2 Qf1+ 32. Qe1 Qd3+ 33. Qd2 Rc1#) 28. Kd1?! { (-10.20 → Mate in 5) Checkmate is now unavoidable. Qxc3 was best. } (28. Qxc3 Bxc3) 28... b5?! { (Mate in 5 → -14.99) Lost forced checkmate sequence. Qxf3+ was best. } (28... Qxf3+ 29. Kc2 Qe2+ 30. Kc1 Bc3 31. a4 Qb2+ 32. Kd1 Qd2#) 29. Qe2?! { (-14.99 → Mate in 4) Checkmate is now unavoidable. Qxc3 was best. } (29. Qxc3 Bxc3) 29... Rd6+ 30. Qd2 Rxd2+ 31. Ke1 Qc1# { Black wins by checkmate. } 0-1