[Event "III Bahia Open 1ª Qualifier"] [Site "https://lichess.org/KUW1xWc1"] [Date "2021.09.14"] [White "kolactin"] [Black "ThiagoRGuerra"] [Result "1-0"] [UTCDate "2021.09.14"] [UTCTime "23:00:00"] [WhiteElo "1806"] [BlackElo "2155"] [WhiteRatingDiff "+20"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A17"] [Opening "English Opening: Anglo-Indian Defense, Hedgehog System"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 Nf6 2. Nc3 e6 { A17 English Opening: Anglo-Indian Defense, Hedgehog System } 3. e3 d5 4. cxd5 exd5 5. d4 Bf5 6. Bd3 Bxd3 7. Qxd3 c6 8. Nge2 Bd6 9. h3 O-O 10. O-O Re8 11. a3 a5 12. a4?! { (-0.70 → -1.57) Inaccuracy. f3 was best. } (12. f3 Nbd7) 12... Na6 13. Bd2 Qb6 14. Qb1 Nb4 15. Na2 Ne4 16. Bxb4 axb4 17. b3?? { (-1.50 → -3.73) Blunder. Qd1 was best. } (17. Qd1 Qd8 18. Nac1 b6 19. Nb3 c5 20. dxc5 bxc5 21. Nd2 Nf6 22. b3 Qa5 23. Nf3 Qa6) 17... Nd2 18. Qd3 Nxf1 19. Rxf1 Qa5 20. Rc1?! { (-4.32 → -6.14) Inaccuracy. Nac1 was best. } (20. Nac1 b6) 20... Rec8?! { (-6.14 → -4.25) Inaccuracy. b5 was best. } (20... b5) 21. Nf4? { (-4.25 → -7.21) Mistake. Rc2 was best. } (21. Rc2 h6 22. Nac1 Qd8 23. Qd1 b5 24. axb5 cxb5 25. Nd3 Rxc2 26. Qxc2 Qe7 27. Qd1 Qe4) 21... Bxf4? { (-7.21 → -4.36) Mistake. b5 was best. } (21... b5) 22. exf4 b5 23. Rc5 Qa7? { (-4.78 → -2.82) Mistake. Qb6 was best. } (23... Qb6) 24. Nxb4 bxa4 25. Nxc6? { (-2.78 → -5.25) Mistake. bxa4 was best. } (25. bxa4 Qxa4 26. Nc2 Rcb8 27. Kh2 Rb3 28. Qd2 Rab8 29. Qe1 R3b6 30. Qc3 f6 31. Ne3 Rb3) 25... Qb6?? { (-5.25 → 6.60) Blunder. Qb7 was best. } (25... Qb7 26. Na5) 26. Ne7+ Kf8 27. Rxc8+ Rxc8 28. Nxc8 Qxb3 29. Qa6 Qb4 30. Nb6 a3?? { (6.14 → Mate in 4) Checkmate is now unavoidable. g6 was best. } (30... g6 31. Nxa4 Qxd4 32. Qd6+ Kg7 33. Nc5 Qf6 34. Qc7 h5 35. Nd3 Qd4 36. Qc2 h4 37. Qd2) 31. Nxd5? { (Mate in 4 → 9.04) Lost forced checkmate sequence. Qc8+ was best. } (31. Qc8+ Ke7 32. Qc7+ Ke8 33. Qd7+ Kf8 34. Qd8#) 31... Qb1+ 32. Kh2 a2? { (9.35 → Mate in 1) Checkmate is now unavoidable. g6 was best. } (32... g6 33. Qd6+) 33. Qd6+ { Black resigns. } 1-0