[Event "8th Weekly World Classicals Team Battle"] [Site "https://lichess.org/ibV0Xvfo"] [Date "2021.09.11"] [White "Czech_lion"] [Black "Acerb8"] [Result "0-1"] [UTCDate "2021.09.11"] [UTCTime "19:44:41"] [WhiteElo "2128"] [BlackElo "1603"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+12"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "B21"] [Opening "Sicilian Defense: McDonnell Attack"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. e4 c5 2. f4 { B21 Sicilian Defense: McDonnell Attack } e6 3. Nf3 Be7 4. d3 d6 5. g3 Nc6 6. Bg2 Nd4?! { (0.10 → 0.71) Inaccuracy. a6 was best. } (6... a6) 7. O-O Nf6 8. c3 Nb5?! { (0.68 → 1.40) Inaccuracy. Nc6 was best. } (8... Nc6 9. Nbd2 Qc7 10. Nc4 d5 11. Nce5 dxe4 12. Nxc6 exf3 13. Qxf3 Bd6 14. Ne5 O-O 15. Nc4) 9. a4 Nc7 10. h3 b5? { (1.16 → 2.90) Mistake. b6 was best. } (10... b6 11. Na3) 11. axb5?! { (2.90 → 1.88) Inaccuracy. e5 was best. } (11. e5) 11... Nxb5 12. Be3?! { (2.48 → 1.52) Inaccuracy. c4 was best. } (12. c4 Nc7) 12... Bd7?? { (1.52 → 4.30) Blunder. Bb7 was best. } (12... Bb7 13. c4 Nc7 14. Nc3 O-O 15. Nd2 Nd7 16. Nb3 a6 17. Na5 Rb8 18. d4 Ba8 19. dxc5) 13. Nbd2?! { (4.30 → 3.14) Inaccuracy. c4 was best. } (13. c4 Nd4 14. Nxd4 cxd4 15. Bxd4 O-O 16. Kh2 Bc6 17. Bc3 d5 18. cxd5 exd5 19. e5 Ne8) 13... O-O 14. Nc4?! { (3.34 → 1.99) Inaccuracy. c4 was best. } (14. c4) 14... d5 15. exd5 exd5 16. Nce5 d4?! { (2.05 → 2.94) Inaccuracy. Nc7 was best. } (16... Nc7) 17. Nxd7? { (2.94 → 1.19) Mistake. Bd2 was best. } (17. Bd2 Nc7 18. c4 Bd6 19. b3 a6 20. Nxd7 Nxd7 21. Nh4 Ra7 22. Nf5 Ne8 23. g4 a5) 17... Nxd7 18. Bd2 Rb8? { (1.46 → 2.94) Mistake. dxc3 was best. } (18... dxc3) 19. c4 Nd6? { (3.08 → 4.87) Mistake. Nc7 was best. } (19... Nc7 20. Rxa7) 20. Qc2?? { (4.87 → 0.54) Blunder. Ne5 was best. } (20. Ne5 Rxb2 21. Nc6 Qe8 22. Re1 Nc8 23. Bc1 Rb6 24. Qe2 Kh8 25. f5 Rxc6 26. Bxc6 Qd8) 20... Nf5 21. Rxa7 Nxg3 22. Re1 Bd6 23. Kf2?? { (0.38 → -2.34) Blunder. Ne5 was best. } (23. Ne5 Nf6) 23... Nf5 24. Qa4?! { (-1.97 → -2.85) Inaccuracy. Qc1 was best. } (24. Qc1) 24... Nf6 25. Ne5?? { (-3.09 → -6.67) Blunder. Kg1 was best. } (25. Kg1 Ne3 26. Qa5 Bxf4 27. Qxd8 Rfxd8 28. b4 cxb4 29. Rb1 b3 30. Ra5 Nd7 31. c5 b2) 25... Rxb2 { Black wins on time. } 0-1