[Event "SA April 3rd School Team Battle"] [Site "https://lichess.org/tgctE6lC"] [Date "2024.04.03"] [White "ollie6"] [Black "sah2sanaya"] [Result "0-1"] [UTCDate "2024.04.03"] [UTCTime "17:48:30"] [WhiteElo "757"] [BlackElo "1182"] [WhiteRatingDiff "-20"] [BlackRatingDiff "+16"] [Variant "Standard"] [TimeControl "600+0"] [ECO "B20"] [Opening "Sicilian Defense: Staunton-Cochrane Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. c4 { B20 Sicilian Defense: Staunton-Cochrane Variation } d6 3. d3 Nf6 4. e5?? { (0.00 → -1.85) Blunder. g3 was best. } (4. g3 g6 5. Nc3 Bg7 6. Bg2 Nc6 7. Nge2 Rb8 8. O-O O-O) 4... dxe5 5. f4 exf4 6. Bxf4 Nc6 7. Bg5?! { (-2.25 → -3.06) Inaccuracy. Be2 was best. } (7. Be2 e5 8. Bg3 h5 9. Bh4 Qd4 10. Nf3 Qxb2 11. Nbd2 Ng4 12. Rb1 Qc3 13. Qa4 Qa5) 7... Bg4 8. Be2 Bxe2 9. Qxe2 Nd4 10. Qf2?! { (-2.22 → -3.23) Inaccuracy. Qd1 was best. } (10. Qd1 Qb6 11. Nd2 Qxb2 12. Rb1 Nc2+ 13. Kf1 Qxa2 14. Qf3 Qa6 15. Qxb7 Qxb7 16. Rxb7 Nd7) 10... h6?! { (-3.23 → -2.04) Inaccuracy. Ng4 was best. } (10... Ng4 11. Qd2 h6 12. Bh4 g6 13. Nc3 Ne3 14. Rb1 g5 15. Bg3 Bg7 16. Rc1 Ndf5 17. Nf3) 11. Be3?? { (-2.04 → -5.47) Blunder. Bxf6 was best. } (11. Bxf6 exf6 12. Nc3 Bd6 13. Nf3 O-O 14. O-O-O Be5 15. Nxe5 fxe5 16. Rde1 Qg5+ 17. Kb1 b6) 11... Qa5+? { (-5.47 → -3.37) Mistake. Ng4 was best. } (11... Ng4 12. Bxd4 Nxf2 13. Bxf2 Qxd3 14. Nd2 g5 15. O-O-O Bg7 16. Ngf3 O-O 17. Bg3 Qf5 18. Rhe1) 12. Bd2 Nc2+?! { (-3.42 → -2.39) Inaccuracy. Qb6 was best. } (12... Qb6 13. Bc3 Ng4 14. Qg3 h5 15. Bxd4 cxd4 16. Nd2 Ne3 17. Rb1 Rh6 18. Ngf3 Rg6 19. Qe5) 13. Kd1 Qd8?? { (-2.35 → 4.12) Blunder. Nb4 was best. } (13... Nb4 14. Bxb4 cxb4 15. Nd2 e6 16. Ngf3 Bd6 17. Kc2 O-O 18. Rae1 b5 19. Kb1 bxc4 20. Nxc4) 14. Kxc2 e5 15. Bc3 Bd6 16. a3 Qe7 17. b4? { (3.95 → 2.03) Mistake. Nf3 was best. } (17. Nf3 O-O 18. Nbd2 b5 19. cxb5 Qd7 20. Rhe1 Qxb5 21. Nxe5 Nd5 22. Nec4 Rad8 23. Be5 Bxe5) 17... cxb4 18. axb4 Bxb4 19. Bxb4 Qxb4 20. d4?? { (1.95 → -5.51) Blunder. Nf3 was best. } (20. Nf3) 20... Qxc4+ 21. Nc3 Ne4? { (-5.36 → -2.72) Mistake. Qxc3+ was best. } (21... Qxc3+ 22. Kxc3 Ne4+ 23. Kb4 Nxf2 24. Nf3 Nxh1 25. Rxh1 exd4 26. Re1+ Kf8 27. Nxd4 g6 28. Nb5) 22. Qe2?? { (-2.72 → Mate in 7) Checkmate is now unavoidable. Qe3 was best. } (22. Qe3 Rc8 23. Ne2 Nxc3 24. Nxc3 O-O 25. d5 b5 26. Kd2 b4 27. Ne2 Qxd5+ 28. Ke1 b3) 22... Qxc3+ 23. Kb1 Nd2+? { (Mate in 3 → -8.47) Lost forced checkmate sequence. Qb3+ was best. } (23... Qb3+ 24. Qb2 Nc3+ 25. Kc1 Qd1#) 24. Ka2? { (-8.47 → Mate in 1) Checkmate is now unavoidable. Qxd2 was best. } (24. Qxd2 Qxd2 25. Nf3 Qxg2 26. Re1 Qxf3 27. Rxe5+ Kf8 28. Kc2 Rd8 29. Rd1 b6 30. Rd3 Rc8+) 24... Qb3# { Black wins by checkmate. } 0-1