Event: II Sampa Chess Open - STD Open
Site: idChess.com
Date: 2025-02-01
White: Aranha Filho, Alvaro Z.
WhiteTitle: FM
WhiteElo: 2172
Black: Guimaraes, Diogo Duarte
BlackTitle: FM
BlackElo: 2299
Result: 0-1
ECO: E11
Opening: Bogo-Indian Defense: Grünfeld Variation
Variant: Standard
TimeControl: 5400+30

1. d4 { [%eval 0.17] } 1... Nf6 { [%eval 0.19] } 2. Nf3 { [%eval 0.11] } 2... e6 { [%eval 0.14] } 3. c4 { [%eval 0.12] } 3... Bb4+ { [%eval 0.54] } 4. Nbd2 { [%eval 0.32] } 4... O-O { [%eval 0.44] } 5. g3 { [%eval 0.07] } 5... d5 { [%eval 0.14] } 6. Bg2 { [%eval 0.11] } 6... dxc4 { [%eval 0.07] } 7. O-O { [%eval -0.15] } 7... c3 { [%eval 0.25] } 8. bxc3 { [%eval 0.28] } 8... Bxc3 { [%eval 0.37] } 9. Rb1 { [%eval 0.33] } 9... Bxd4 { [%eval 0.53] } 10. Ba3 { [%eval 0.19] } 10... Re8 { [%eval 0.23] } 11. Nc4 { [%eval -0.09] } 11... Bb6 { [%eval -0.1] } 12. Qc2 { [%eval -0.12] } 12... c5 { [%eval 0.23] } 13. Rfd1 { [%eval 0.25] } 13... Qc7 { [%eval 0.71] } 14. Nfe5 { [%eval 0.43] } 14... Nd5 { [%eval 0.43] } 15. e4 { [%eval 0.38] } 15... Nb4 { [%eval 0.39] } 16. Qe2?! { [%eval -0.55] } { Inaccuracy. Qa4 was best. } 16... f6?! { [%eval 0.11] } { Inaccuracy. N4c6 was best. } 17. Bxb4 { [%eval 0.0] } 17... cxb4 { [%eval 0.0] } 18. Nd6 { [%eval -0.02] } 18... Rf8 { [%eval -0.14] } 19. Rbc1 { [%eval -0.1] } 19... Nc6 { [%eval -0.08] } 20. Nxc6 { [%eval -0.08] } 20... bxc6 { [%eval -0.15] } 21. e5?? { [%eval -1.95] } { Blunder. Bh3 was best. } 21... fxe5 { [%eval -1.95] } 22. Kh1 { [%eval -1.97] } 22... Rxf2 { [%eval -1.94] } 23. Qd3 { [%eval -1.84] } 23... Bd4 { [%eval -1.96] } 24. Ne4? { [%eval -3.34] } { Mistake. Rxc6 was best. } 24... Rxg2 { [%eval -3.38] } 25. Kxg2 { [%eval -3.36] } 25... c5 { [%eval -3.56] } 26. Nxc5?! { [%eval -5.15] } { Inaccuracy. h4 was best. } 26... Bxc5 { [%eval -4.87] } 27. Qd8+ { [%eval -5.43] } 27... Qxd8 { [%eval -4.96] } 28. Rxd8+ { [%eval -5.22] } 28... Kf7 { [%eval -5.09] } 29. Kh3 { [%eval -5.44] } 29... Ke7 { [%eval -5.43] } 30. Rg8 { [%eval -5.2] } 30... Kd6 { [%eval -5.07] } 31. Rd8+ { [%eval -5.77] } 31... Kc6 { [%eval -5.6] } 32. Rg8 { [%eval -5.8] } 32... a5 { [%eval -5.63] } 33. Rxg7 { [%eval -5.62] } 33... Ba6 { [%eval -5.53] } 34. Rxh7 { [%eval -5.95] } 34... a4 { [%eval -6.1] } 35. Rh4 { [%eval -6.12] } 35... Rb8 { [%eval -6.01] } 36. Re4 { [%eval -6.74] } 36... Kd5 { [%eval -6.55] } 37. Ree1 { [%eval -6.89] } 37... b3 { [%eval -7.04] } 38. Red1+ { [%eval -7.58] } 38... Bd4 { [%eval -7.2] } 39. axb3 { [%eval -7.43] } 39... axb3 { [%eval -7.36] } 40. Ra1 { [%eval -8.63] } 40... Be2 { [%eval -8.22] } 41. Ra5+ { [%eval -8.62] } 41... Ke4 { [%eval -8.68] } 42. Re1 { [%eval -8.05] } 42... Kd3 { [%eval -8.08] } 43. Ra3 { [%eval -8.26] } 43... Kd2 { [%eval -8.57] } 44. Rb1 { [%eval -8.46] } 44... b2 { [%eval -8.03] } 0-1