Event: IV Niterói Chess Open 2024 - BLZ
Site: idChess.com
Date: 2024-08-30
White: Souza, Iago Henrique da Silva
WhiteElo: 2090
Black: Oliveira, Tiago Batista
BlackTitle: NM
BlackElo: 2017
Result: 1-0
ECO: D97
Opening: Grünfeld Defense: Russian Variation, Prins Variation
Variant: Standard
TimeControl: 180+2

1. d4 { [%eval 0.17] } 1... Nf6 { [%eval 0.17] } 2. c4 { [%eval 0.17] } 2... g6 { [%eval 0.25] } 3. Nc3 { [%eval 0.21] } 3... d5 { [%eval 0.22] } 4. Nf3 { [%eval 0.32] } 4... Bg7 { [%eval 0.16] } 5. Qb3 { [%eval 0.19] } 5... dxc4 { [%eval 0.28] } 6. Qxc4 { [%eval 0.13] } 6... O-O { [%eval 0.23] } 7. e4 { [%eval 0.17] } 7... Na6 { [%eval 0.51] } 8. Be2 { [%eval 0.63] } 8... c5 { [%eval 0.68] } 9. d5 { [%eval 0.55] } 9... Nb4?! { [%eval 1.37] } { Inaccuracy. e6 was best. } 10. O-O { [%eval 1.38] } 10... b6 { [%eval 1.96] } 11. Qb3 { [%eval 1.87] } 11... Ba6 { [%eval 1.81] } 12. Re1?! { [%eval 0.82] } { Inaccuracy. Bxa6 was best. } 12... Bxe2 { [%eval 1.15] } 13. Rxe2 { [%eval 1.34] } 13... Nd3 { [%eval 1.38] } 14. Bd2?! { [%eval 0.63] } { Inaccuracy. Qc4 was best. } 14... Rc8? { [%eval 2.18] } { Mistake. Nd7 was best. } 15. Qc2?? { [%eval 0.19] } { Blunder. Qc4 was best. } 15... c4 { [%eval 0.16] } 16. Nb5?? { [%eval -1.79] } { Blunder. Ne1 was best. } 16... Ng4?? { [%eval 1.85] } { Blunder. Nxe4 was best. } 17. Bc3?? { [%eval 0.05] } { Blunder. Nxa7 was best. } 17... Nge5?! { [%eval 0.76] } { Inaccuracy. Qd7 was best. } 18. Nxe5 { [%eval 0.66] } 18... Nxe5? { [%eval 2.18] } { Mistake. Bxe5 was best. } 19. Nxa7 { [%eval 2.23] } 19... Ra8 { [%eval 2.8] } 20. Bxe5 { [%eval 2.74] } 20... Bxe5 { [%eval 2.5] } 21. Nc6 { [%eval 2.83] } 21... Qd6 { [%eval 2.74] } 22. Nxe5 { [%eval 2.6] } 22... Qxe5 { [%eval 2.49] } 23. Qxc4 { [%eval 2.51] } 23... Rfc8 { [%eval 2.47] } 24. Qb3 { [%eval 2.56] } 24... b5 { [%eval 2.54] } 25. h3 { [%eval 2.22] } 25... Rab8?! { [%eval 3.23] } { Inaccuracy. Ra4 was best. } 26. Rae1 { [%eval 2.74] } 26... Rc4 { [%eval 2.83] } 27. Qd3 { [%eval 2.39] } 27... Qc7?! { [%eval 3.52] } { Inaccuracy. Rbc8 was best. } 28. b3 { [%eval 3.23] } 28... Rc3 { [%eval 3.38] } 29. Qd4 { [%eval 3.45] } 29... b4 { [%eval 3.91] } 30. e5 { [%eval 3.92] } 30... Rd8 { [%eval 4.55] } 31. Rd1 { [%eval 4.02] } 31... Qa5 { [%eval 4.54] } 32. Red2 { [%eval 3.91] } 32... Ra8 { [%eval 4.47] } 33. d6 { [%eval 4.53] } 33... exd6 { [%eval 5.47] } 34. exd6 { [%eval 5.49] } 34... Rcc8 { [%eval 5.89] } 35. d7 { [%eval 5.75] } 35... Rd8 { [%eval 6.05] } 36. Re1 { [%eval 5.63] } 36... Qa7?! { [%eval 10.83] } { Inaccuracy. Qb5 was best. } 37. Re7? { [%eval 5.29] } { Mistake. Qxa7 was best. } 37... Qxd4 { [%eval 5.14] } 38. Rxd4 { [%eval 5.02] } 38... Kf8 { [%eval 5.02] } 39. Ree4?? { [%eval 2.27] } { Blunder. Rde4 was best. } 39... Rxa2 { [%eval 2.01] } 40. Rxb4?? { [%eval 0.18] } { Blunder. Rh4 was best. } 40... Rd2? { [%eval 1.31] } { Mistake. Rxd7 was best. } 41. Red4? { [%eval 0.16] } { Mistake. Rbd4 was best. } 41... Rxd7 { [%eval 0.21] } 42. Rb8+ { [%eval 0.13] } 42... Kg7 { [%eval 0.1] } 43. Rxd7 { [%eval 0.11] } 43... Rxd7 { [%eval 0.15] } 44. Kf1 { [%eval 0.18] } 44... Kf6?! { [%eval 1.27] } { Inaccuracy. Rd2 was best. } 45. Ke2 { [%eval 1.27] } 45... h5 { [%eval 1.8] } 46. Ke3? { [%eval 0.34] } { Mistake. Re8 was best. } 46... Ke5? { [%eval 1.6] } { Mistake. Rd1 was best. } 47. Rc8? { [%eval 0.34] } { Mistake. Re8+ was best. } 47... f6?? { [%eval 2.25] } { Blunder. Rd1 was best. } 48. Rc4?? { [%eval 0.28] } { Blunder. b4 was best. } 48... g5?? { [%eval 2.62] } { Blunder. Rd1 was best. } 49. b4 { [%eval 2.47] } 49... f5?! { [%eval 3.35] } { Inaccuracy. Rb7 was best. } 50. Rc5+ { [%eval 3.38] } 50... Ke6 { [%eval 4.22] } 51. g3? { [%eval 2.44] } { Mistake. g4 was best. } 51... Rd1 { [%eval 2.54] } 52. b5 { [%eval 2.62] } 52... Re1+?! { [%eval 3.38] } { Inaccuracy. Rb1 was best. } 53. Kd2 { [%eval 3.43] } 53... Rb1 { [%eval 3.14] } 54. Kd3?! { [%eval 2.36] } { Inaccuracy. Kc2 was best. } 54... f4?? { [%eval 5.2] } { Blunder. h4 was best. } 55. Rxg5 { [%eval 5.04] } 55... fxg3 { [%eval 5.32] } 56. fxg3 { [%eval 5.32] } 56... Rb3+ { [%eval 5.81] } 57. Kc4 { [%eval 5.87] } 57... Rf3 { [%eval 6.08] } 58. b6 { [%eval 6.01] } 58... Kd7 { [%eval 5.93] } 59. Kb5 { [%eval 6.02] } 59... Rb3+ { [%eval 6.05] } 60. Ka6 { [%eval 6.22] } 60... Ra3+ { [%eval 6.23] } 61. Kb7 { [%eval 6.13] } 61... Kd8?! { [%eval 8.63] } { Inaccuracy. Kd6 was best. } 62. Kc6 { [%eval 9.51] } 62... Rc3+?? { [%eval #16] } { Checkmate is now unavoidable. Rf3 was best. } 63. Rc5 { [%eval #21] } 63... Rxg3 { [%eval #15] } 64. b7 { [%eval #19] } 64... Rg6+ 65. Kb5 1-0