[Event "1° ABERTO DO BRASIL DO CLUBE DE XADREZ DA CIDADE VELHA"] [Site "HOTEL BEIRA RIO, Belém - PA , http://www.beirariohotel.com.br/"] [Date "2015.05.03"] [Round "7"] [White "COHEN FARIAS, Paulo"] [Black "MARTINS, Clauber Figueiredo"] [Result "1-0"] [WhiteElo "2242"] [BlackElo "2053"] [Variant "Standard"] [TimeControl "-"] [ECO "B33"] [Opening "Sicilian Defense: Open"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 { B33 Sicilian Defense: Open } 5. Nc3 a6 6. Be2 e6 7. O-O Bb4?! { (0.31 → 0.92) Inaccuracy. d6 was best. } (7... d6 8. Be3 Be7 9. Qd2 O-O 10. f4 Bd7 11. Rad1 Rc8 12. Bf3 Nxd4 13. Qxd4 Bc6 14. Qd3 h6 15. e5) 8. Nxc6 bxc6 9. e5 Nd5 10. Ne4 O-O 11. c4 Nc7?! { (1.19 → 1.89) Inaccuracy. Ne7 was best. } (11... Ne7 12. a3 Ba5 13. Bd3 Nf5 14. g4 Ne7 15. Bg5 Bc7 16. f4 a5 17. b4 axb4 18. axb4 Rxa1 19. Qxa1) 12. c5 Nd5 13. Bg5 f6 14. exf6 Nxf6 15. a3 Ba5 16. Nxf6+ gxf6 17. Bh6 Rf7 18. Bh5 Rg7 19. Bxg7 Kxg7 20. Qg4+ Kh8 21. f4 d5 22. cxd6 Ra7?! { (2.14 → 3.22) Inaccuracy. Qxd6 was best. } (22... Qxd6 23. Rad1 Qe7 24. Qf3 Bb7 25. Qe2 Bc7 26. Kh1 Rg8 27. Bg4 c5 28. Bf3 Bc8 29. g3 e5 30. fxe5) 23. b4?! { (3.22 → 2.43) Inaccuracy. Rad1 was best. } (23. Rad1 Rg7 24. Qe2 Qb6+ 25. Rf2 Qb7 26. Kh1 Bd7 27. b4 Bb6 28. Rff1 a5 29. Qb2 Bd8 30. Bf3 Qb6) 23... Bb6+ 24. Kh1 Rg7 25. Qd1 Bb7? { (2.26 → 3.81) Mistake. Rd7 was best. } (25... Rd7 26. Qc2 Bd4 27. Rac1 Rxd6 28. Bf3 Bd7 29. Qc4 Qc8 30. Rfd1 e5 31. Qf7 Qe8 32. Qxe8+ Bxe8 33. g3) 26. Bf3?! { (3.81 → 2.54) Inaccuracy. Re1 was best. } (26. Re1 c5 27. Bf3 Bc8 28. Qd2 cxb4 29. axb4 Ra7 30. Bg4 f5 31. Be2 Qf6 32. Ra3 Bd7 33. Rxa6 Rxa6) 26... Rd7 27. Qc2 Rxd6 28. Rad1 Bd4 29. Qc4 a5 30. Rfe1 axb4 31. axb4 e5?! { (2.95 → 4.36) Inaccuracy. Bc8 was best. } (31... Bc8 32. Bxc6 e5 33. b5 Be6 34. Qb4 Bf7 35. fxe5 fxe5 36. Rf1 Bh5 37. Rde1 Bg6 38. Be4 Kg7 39. Qb3) 32. fxe5 fxe5 33. Qf7?! { (4.07 → 3.00) Inaccuracy. Rxd4 was best. } (33. Rxd4 Rxd4 34. Qe6 Rd6 35. Qxe5+ Rf6 36. b5 Qd6 37. Qxd6 Rxd6 38. Re8+ Kg7 39. Re7+ Kg6 40. Rxb7 cxb5) 33... Rd7? { (3.00 → 5.53) Mistake. Bc8 was best. } (33... Bc8 34. Be4 Qg8 35. Qe7 Rd7 36. Qh4 Bb7 37. Rf1 Rf7 38. Rxf7 Qxf7 39. Qd8+ Kg7 40. Qg5+ Kh8 41. Qh4) 34. Qh5 Kg8?! { (5.53 → 9.12) Inaccuracy. Re7 was best. } (34... Re7 35. Qf5 Re8 36. Qf7 c5 37. Qxb7 Qe7 38. Qd5 Bc3 39. bxc5 Bxe1 40. Rxe1 Kg7 41. Be4 Qf7 42. Qd3) 35. Bg4 Rd6 36. Bf5 Qe7 37. Re4?? { (10.62 → 2.28) Blunder. Bxh7+ was best. } (37. Bxh7+ Qxh7 38. Qe8+ Kg7 39. Rf1 Kh6 40. Qf8+ Kh5 41. Qxd6 Bb2 42. Qf6 Bc8 43. Rd2 Qh6 44. Qf7+ Qg6) 37... Rd8?? { (2.28 → 47.03) Blunder. Kf8 was best. } (37... Kf8 38. Bxh7 Qf7 39. Rh4 Qxh5 40. Rxh5 Ba6 41. Be4 Be2 42. Rh8+ Kf7 43. Rh7+ Kg8 44. Rb1 Bc3 45. Rc7) 38. Rh4 e4? { (8.25 → Mate in 8) Checkmate is now unavoidable. Kf8 was best. } (38... Kf8 39. Bg6 Qf6 40. Qh6+ Ke7 41. Qxh7+ Kd6 42. Rh6 Rh8 43. Qxh8 Qxh8 44. Rxh8 c5 45. bxc5+ Kxc5 46. Rc1+) 39. Bxh7+ Kf8 40. Rf1+ Bf6 41. Qh6+?! { (Mate in 9 → 16.43) Lost forced checkmate sequence. Rxe4 was best. } (41. Rxe4 Rd1 42. Qxd1 c5 43. Rxe7 Kxe7 44. Re1+ Be4 45. Rxe4+ Be5 46. Rxe5+ Kf6 47. Qd6+ Kg7 48. Qg6+ Kf8) 41... Ke8 42. Rxe4 Rd6 43. Rxe7+ Kxe7 44. Qe3+ Kd7 45. Bf5+ Kc7 46. Qb3 Ba6 47. Rd1 Bd4 48. Qg3 { Black resigns. } 1-0