[Event "Copa Sonora Sub 20 Rey Team Battle"] [Site "https://lichess.org/w5II5qhN"] [Date "2020.08.18"] [White "Alambrito512"] [Black "TNKasparov"] [Result "0-1"] [UTCDate "2020.08.18"] [UTCTime "00:00:19"] [WhiteElo "1442"] [BlackElo "1500"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+159"] [Variant "Standard"] [TimeControl "600+5"] [ECO "D32"] [Opening "Tarrasch Defense: Symmetrical Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 e6 2. e3 Nf6 3. Nc3 d5 4. d4 c5 5. Nf3 Nc6 { D32 Tarrasch Defense: Symmetrical Variation } 6. Be2 Be7 7. a3 a6?! { (0.16 → 0.79) Inaccuracy. O-O was best. } (7... O-O 8. O-O cxd4 9. exd4 b6 10. b4 dxc4 11. Bxc4 Bb7 12. d5 exd5 13. Nxd5 Nxd5 14. Bxd5) 8. b3?! { (0.79 → -0.22) Inaccuracy. dxc5 was best. } (8. dxc5) 8... b6?! { (-0.22 → 0.44) Inaccuracy. cxd4 was best. } (8... cxd4 9. exd4 b6 10. Be3 Bb7 11. O-O O-O 12. Bd3 Rc8 13. Na4 h6 14. h3 dxc4 15. bxc4) 9. Bb2 O-O 10. Ne5 Bb7 11. O-O cxd4 12. exd4 Qc7 13. Nxc6 Bxc6 14. Qc2 Bd6 15. g3 Rfc8 16. Bc1 e5 17. Be3 dxc4 18. bxc4 exd4?! { (-1.01 → -0.19) Inaccuracy. b5 was best. } (18... b5) 19. Bxd4 Be5 20. Bxe5 Qxe5 21. Rfe1 Qc5 22. Na4?! { (-0.28 → -1.20) Inaccuracy. Qb2 was best. } (22. Qb2 Re8 23. Bf1 Ng4 24. Nd5 b5 25. Nc7 Qh5 26. h4 Rxe1 27. Rxe1 Rc8 28. cxb5 axb5) 22... Bxa4 23. Qxa4 Ne4 24. Bf3?? { (-1.13 → -23.26) Blunder. Rf1 was best. } (24. Rf1 Nc3 25. Qc2 Nxe2+ 26. Qxe2 Qxc4 27. Qe3 Qc6 28. Rfd1 b5 29. Rac1 Qb7 30. Rd6 Rxc1+) 24... Qxf2+ 25. Kh1 Qxf3+ 26. Kg1 Nf2 27. Kf1?! { (-16.97 → Mate in 1) Checkmate is now unavoidable. Qd7 was best. } (27. Qd7 Rd8 28. Re3 Qh1+ 29. Kxf2 Qxh2+ 30. Kf3 Rxd7 31. Rae1 Kf8 32. c5 Rd2 33. R3e2 Rxe2) 27... Nh3# { Black wins by checkmate. } 0-1