[Event "≤1700 Classical Arena"] [Site "https://lichess.org/zYJrXgCR"] [Date "2017.05.21"] [White "Rertsiger"] [Black "Daveyboyz"] [Result "0-1"] [UTCDate "2017.05.21"] [UTCTime "18:31:22"] [WhiteElo "1498"] [BlackElo "1570"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "600+0"] [ECO "B21"] [Opening "Sicilian Defense: McDonnell Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. f4 { B21 Sicilian Defense: McDonnell Attack } e6 3. Nf3 Nc6 4. Bc4?! { (-0.04 → -0.92) Inaccuracy. Nc3 was best. } (4. Nc3 d5 5. Bb5 dxe4 6. Nxe4 Bd7 7. O-O a6 8. Be2 Nf6 9. d3 Be7 10. a3 O-O) 4... a6?! { (-0.92 → -0.03) Inaccuracy. d5 was best. } (4... d5 5. exd5) 5. O-O?! { (-0.03 → -0.77) Inaccuracy. Be2 was best. } (5. Be2) 5... b5?! { (-0.77 → 0.08) Inaccuracy. d5 was best. } (5... d5 6. exd5 exd5 7. Re1+ Be7 8. Bf1 Nf6 9. d3 O-O 10. Ne5 Re8 11. Nxc6 bxc6 12. Nc3) 6. Bd3 c4 7. Be2 Bc5+ 8. Kh1 Qc7?! { (-0.19 → 0.64) Inaccuracy. d5 was best. } (8... d5 9. a4 b4 10. exd5 exd5 11. d3 cxd3 12. Bxd3 Nf6 13. Qe2+ Qe7 14. Re1 Ng4 15. h3) 9. g3? { (0.64 → -0.51) Mistake. a4 was best. } (9. a4 Bb7 10. axb5 axb5 11. Rxa8+ Bxa8 12. Nc3 b4 13. Nb5 Qb6 14. Bxc4 Na5 15. Bd3 Bc6) 9... Nf6 10. e5?! { (-0.30 → -1.27) Inaccuracy. d4 was best. } (10. d4 cxd3) 10... Ne4? { (-1.27 → 0.22) Mistake. Ng4 was best. } (10... Ng4 11. d4 cxd3 12. Bxd3 Nf2+ 13. Rxf2 Bxf2 14. Nc3 Bb6 15. Ne4 O-O 16. Nd6 Bb7 17. c3) 11. d3? { (0.22 → -1.34) Mistake. Kg2 was best. } (11. Kg2 Qb6 12. c3 Bb7 13. b4 Nxb4 14. cxb4 Bd4 15. Nc3 Nxc3 16. dxc3 Bxc3 17. Rb1 Be4) 11... Nf2+ 12. Rxf2 Bxf2 13. dxc4?! { (-0.63 → -1.28) Inaccuracy. d4 was best. } (13. d4) 13... bxc4 14. Bxc4?? { (-0.81 → -2.85) Blunder. Nbd2 was best. } (14. Nbd2 O-O 15. Nxc4 Bb7 16. Qd6 Rac8 17. Kg2 Nd4 18. Kxf2 Nxc2 19. Rb1 Bxf3 20. Qxc7 Rxc7) 14... Bb7? { (-2.85 → -1.39) Mistake. Nxe5 was best. } (14... Nxe5 15. fxe5 Qxc4 16. Bf4 Bb6 17. a4 Bb7 18. Nd2 Qc6 19. a5 Bc5 20. c3 O-O 21. Qe2) 15. Kg2 Ba7 16. Qd2?? { (-1.91 → -7.10) Blunder. Nbd2 was best. } (16. Nbd2 g5) 16... Qb6?? { (-7.10 → -1.95) Blunder. Nd4 was best. } (16... Nd4 17. Be2 Qb6 18. Qe1 Nxe2 19. Qxe2 Qg1+ 20. Kh3 Qxc1 21. Qe1 Qxb2 22. Nbd2 Qxc2 23. Qb1) 17. f5?? { (-1.95 → -12.29) Blunder. Kh3 was best. } (17. Kh3) 17... Nd4 18. fxe6 Bxf3+ 19. Kh3 dxe6 20. c3 Nf5 21. g4?! { (-13.62 → Mate in 4) Checkmate is now unavoidable. Bd3 was best. } (21. Bd3 h5) 21... Nh6? { (Mate in 4 → -9.71) Lost forced checkmate sequence. Qg1 was best. } (21... Qg1 22. Qd7+ Kxd7 23. Bxe6+ fxe6 24. gxf5 Qg4#) 22. Na3? { (-9.71 → Mate in 7) Checkmate is now unavoidable. Be2 was best. } (22. Be2 Qf2 23. Bb5+ axb5 24. Qxf2 Bxf2 25. Na3 Ra4 26. b4 Nxg4 27. Nxb5 Nxe5 28. Bf4 Nc4) 22... Bxg4+ 23. Kh4 Bf5? { (Mate in 6 → -8.43) Lost forced checkmate sequence. Qg1 was best. } (23... Qg1 24. Bb5+ axb5 25. Qd4 Bxd4 26. Nxb5 Qxh2+ 27. Kg5 Qxe5+ 28. Kh4 Bf2#) 24. Qg5 Qf2+ 25. Qg3 g5+ 26. Kxg5? { (-8.01 → Mate in 6) Checkmate is now unavoidable. Bxg5 was best. } (26. Bxg5 Qxb2) 26... Rg8+ 27. Kxh6 Rxg3 28. hxg3 Qh2+ 29. Kg7 Qxg3+ 30. Kf6 Qg6# { Black wins by checkmate. } 0-1