Event: Round 4: Claudio João - Costa, Leopoldino
Date: 2024-08-15
White: Claudio João
Black: Costa, Leopoldino
BlackElo: 1772
Result: 0-1
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard

1. e4 { [%eval 0.15] } 1... c5 { [%eval 0.25] } 2. Nf3 { [%eval 0.22] } 2... e6 { [%eval 0.28] } 3. d4 { [%eval 0.4] } 3... cxd4 { [%eval 0.37] } 4. Nxd4 { [%eval 0.35] } 4... Nf6 { [%eval 0.29] } 5. Nc3 { [%eval 0.44] } 5... Nc6 { [%eval 0.42] } 6. Be3 { [%eval -0.03] } 6... Bb4 { [%eval 0.0] } 7. f3 { [%eval -0.23] } 7... d5 { [%eval -0.27] } 8. Bb5 { [%eval -0.61] } 8... Bd7 { [%eval -0.27] } 9. O-O? { [%eval -1.8] } { Mistake. Bxc6 was best. } 9... e5 { [%eval -1.69] } 10. Nf5 { [%eval -1.8] } 10... Bxf5 { [%eval -1.76] } 11. exd5 { [%eval -1.84] } 11... Bd7?? { [%eval 0.19] } { Blunder. a6 was best. } 12. dxc6 { [%eval 0.23] } 12... bxc6 { [%eval 0.18] } 13. Bd3 { [%eval 0.14] } 13... O-O { [%eval 0.11] } 14. Ne4 { [%eval 0.03] } 14... Nd5 { [%eval 0.05] } 15. Bf2 { [%eval 0.16] } 15... Nf4 { [%eval 0.18] } 16. c3 { [%eval 0.07] } 16... Be7 { [%eval 0.14] } 17. Qc2 { [%eval 0.03] } 17... Be6 { [%eval 0.0] } 18. Rfd1 { [%eval 0.03] } 18... Qc7 { [%eval 0.35] } 19. Nc5 { [%eval 0.01] } 19... h6?! { [%eval 0.78] } { Inaccuracy. Bxc5 was best. } 20. Nxe6 { [%eval 0.73] } 20... Nxe6 { [%eval 0.84] } 21. Rd2?! { [%eval 0.21] } { Inaccuracy. Bh7+ was best. } 21... Bg5?! { [%eval 0.89] } { Inaccuracy. Bc5 was best. } 22. Rdd1 { [%eval 0.82] } 22... Nf4 { [%eval 0.82] } 23. g3?! { [%eval 0.0] } { Inaccuracy. Bc4 was best. } 23... Nh3+ { [%eval 0.01] } 24. Kg2 { [%eval 0.04] } 24... Nxf2 { [%eval 0.0] } 25. Kxf2 { [%eval 0.0] } 25... Rab8 { [%eval 0.0] } 26. Kg2 { [%eval 0.0] } 26... Qb6 { [%eval 0.46] } 27. Rab1 { [%eval 0.24] } 27... Rfd8 { [%eval 0.17] } 28. Qe2 { [%eval 0.0] } 28... Bf6 { [%eval 0.0] } 29. Qe4 { [%eval 0.0] } 29... g6 { [%eval 0.0] } 30. h4 { [%eval 0.0] } 30... Bg7 { [%eval 0.22] } 31. b3 { [%eval 0.03] } 31... Qa5 { [%eval 0.2] } 32. Bc4 { [%eval 0.2] } 32... Qxc3 { [%eval 0.19] } 33. Rxd8+ { [%eval 0.0] } 33... Rxd8 { [%eval -0.01] } 34. Qxg6?? { [%eval -4.91] } { Blunder. Rf1 was best. } 34... Rd2+ { [%eval -4.75] } 35. Kh3 { [%eval -4.76] } 35... Qxf3 { [%eval -4.74] } 36. Rf1 { [%eval -5.99] } 36... Qxf1+ { [%eval -5.96] } 37. Bxf1 { [%eval -5.82] } 37... fxg6 { [%eval -5.9] } 38. b4 { [%eval -6.67] } 38... Kf8 { [%eval -5.94] } 39. Bc4 { [%eval -6.24] } 39... e4 { [%eval -6.12] } 0-1