[Event "I OTSZ Szkół Średnich"] [Site "https://lichess.org/gLFn6KAW"] [Date "2020.11.28"] [White "Jan_Sikorski"] [Black "PatrykWieczorek"] [Result "1-0"] [GameId "gLFn6KAW"] [UTCDate "2020.11.28"] [UTCTime "17:35:07"] [WhiteElo "1606"] [BlackElo "1119"] [WhiteRatingDiff "+32"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "300+2"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. d4 e5?! { (0.59 → 1.41) Inaccuracy. d5 was best. } (2... d5 3. c4 e6 4. Nc3 Nf6 5. Bg5 Be7 6. e3 O-O 7. Rc1) 3. Nxe5 Nxe5 4. dxe5 Qe7 5. f4 f6 6. exf6? { (1.59 → 0.21) Mistake. Nc3 was best. } (6. Nc3 c6 7. e4 fxe5 8. Be2 Qd6 9. fxe5 Qxd1+ 10. Nxd1 d6 11. Bf4 dxe5 12. Bxe5 Nf6) 6... Nxf6 7. Nc3 d5?! { (0.43 → 1.55) Inaccuracy. c6 was best. } (7... c6 8. Qd4 d5 9. Bd2 b5 10. a3 Bf5 11. e4 dxe4 12. Be2) 8. e3? { (1.55 → -0.09) Mistake. Nxd5 was best. } (8. Nxd5 Nxd5 9. Qxd5 c6 10. Qc4 Be6 11. Qc3 O-O-O 12. Bd2 Bg4 13. O-O-O Qe6 14. Re1 Qxa2) 8... Bf5?! { (-0.09 → 0.96) Inaccuracy. Be6 was best. } (8... Be6 9. Bd3) 9. Be2? { (0.96 → -0.30) Mistake. Nxd5 was best. } (9. Nxd5 Nxd5 10. Qxd5 Be4 11. Qd4 Rd8 12. Qc4 Bd5 13. Qe2 g6 14. Qf2 Qb4+ 15. c3 Qe4) 9... O-O-O 10. O-O Qb4? { (-0.47 → 0.91) Mistake. Kb8 was best. } (10... Kb8 11. Qd4 g6 12. Bd3 c5 13. Qe5+ Qxe5 14. fxe5 Ne4 15. Nxe4 dxe4 16. Bc4 Bg7 17. Rb1) 11. a3 Qb6 12. Kh1?! { (0.55 → -0.40) Inaccuracy. b4 was best. } (12. b4 h5 13. Nb5 h4 14. Nd4 Bd7 15. c4 dxc4 16. Qc2 h3 17. g3 Kb8 18. Qxc4 c5) 12... d4? { (-0.40 → 0.98) Mistake. g6 was best. } (12... g6 13. b3) 13. exd4 Rxd4 14. Qe1 Be7?? { (0.99 → 3.47) Blunder. Rd7 was best. } (14... Rd7 15. b4) 15. Be3 Rhd8?! { (3.47 → 4.41) Inaccuracy. Bc5 was best. } (15... Bc5 16. Qf2 Bxc2 17. Rac1 Rxf4 18. Bxc5 Rxf2 19. Bxb6 Rxf1+ 20. Bxf1 axb6 21. Rxc2 h5 22. Nb5) 16. Nb5 Qc5? { (4.16 → 8.71) Mistake. Bc5 was best. } (16... Bc5 17. Nxd4) 17. Nxd4 Qb6 18. Nxf5 Bc5 19. Bxc5 Qxc5 20. Nxg7 Qxc2 21. Rc1 Qxb2 22. Ne6 Qb6 23. Nxc7 Ne4?! { (17.96 → Mate in 9) Checkmate is now unavoidable. Kb8 was best. } (23... Kb8 24. Bf3) 24. Nd5+?! { (Mate in 9 → 33.99) Lost forced checkmate sequence. Na6+ was best. } (24. Na6+ Kd7 25. Bg4+ Ke7 26. Qxe4+ Kf8 27. Qxh7 Qb5 28. Be6 Qe8 29. Rc7 Rd7 30. Rxd7 Qxd7) 24... Qc5?! { (33.99 → Mate in 7) Checkmate is now unavoidable. Kb8 was best. } (24... Kb8) 25. Rxc5+ Nxc5 26. Bg4+ Kb8 27. Qe5+ Ka8 28. Nc7+ Kb8 29. Na6+ Ka8 30. Qb8+ Rxb8 31. Nc7# { White wins by checkmate. } 1-0