Event: Round 9: Mendonca, Leon Luke - Zemlyanskii, Ivan
Date: 2024-05-22
White: Mendonca, Leon Luke
WhiteTitle: GM
WhiteElo: 2640
Black: Zemlyanskii, Ivan
BlackTitle: FM
BlackElo: 2516
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.15] } 1... c5 { [%eval 0.25] } 2. Nf3 { [%eval 0.25] } 2... d6 { [%eval 0.27] } 3. d4 { [%eval 0.31] } 3... cxd4 { [%eval 0.28] } 4. Nxd4 { [%eval 0.37] } 4... Nf6 { [%eval 0.24] } 5. Nc3 { [%eval 0.29] } 5... a6 { [%eval 0.23] } 6. Bd3 { [%eval 0.18] } 6... g6 { [%eval 0.24] } 7. f3 { [%eval 0.29] } 7... Bg7 { [%eval 0.4] } 8. Be3 { [%eval 0.33] } 8... Nbd7 { [%eval 0.39] } 9. Qd2 { [%eval 0.45] } 9... b5 { [%eval 0.35] } 10. O-O-O { [%eval 0.44] } 10... Bb7 { [%eval 0.31] } 11. Kb1 { [%eval 0.29] } 11... O-O { [%eval 0.72] } 12. h4 { [%eval 0.72] } 12... h5 { [%eval 1.14] } 13. Bh6 { [%eval 0.65] } 13... e5 { [%eval 0.62] } 14. Nb3 { [%eval 0.6] } 14... Rc8 { [%eval 0.8] } 15. g4 { [%eval 0.8] } 15... b4 { [%eval 0.74] } 16. Ne2 { [%eval 0.81] } 16... hxg4 { [%eval 0.83] } 17. Ng3 { [%eval 0.73] } 17... gxf3 { [%eval 0.68] } 18. Bxg7 { [%eval 0.83] } 18... Kxg7 { [%eval 0.78] } 19. Qg5?? { [%eval -0.95] } { Blunder. h5 was best. } 19... Nh7 { [%eval -0.92] } 20. Qg4 { [%eval -0.83] } 20... Ndf6 { [%eval -0.55] } 21. Qxf3 { [%eval -0.51] } 21... d5 { [%eval -0.03] } 22. h5 { [%eval -0.17] } 22... dxe4 { [%eval -0.13] } 23. Nxe4 { [%eval -0.17] } 23... Qe7 { [%eval -0.05] } 24. Rhg1?? { [%eval -2.01] } { Blunder. hxg6 was best. } 24... Nxe4 { [%eval -2.02] } 25. Bxe4 { [%eval -1.92] } 25... Ng5 { [%eval -2.04] } 26. Rxg5 { [%eval -1.95] } 26... Bxe4 { [%eval -2.1] } 27. Qxe4 { [%eval -1.93] } 27... Qxg5 { [%eval -1.92] } 28. hxg6 { [%eval -2.06] } 28... Rcd8 { [%eval -1.92] } 29. Rh1 { [%eval -2.11] } 29... fxg6 { [%eval -1.96] } 30. Qxb4 { [%eval -2.06] } 30... Rde8 { [%eval -2.05] } 31. a3 { [%eval -2.61] } 31... Qg2 { [%eval -2.67] } 32. Qe1 { [%eval -3.01] } 32... Qd5?! { [%eval -2.24] } { Inaccuracy. Rf2 was best. } 33. Rg1 { [%eval -2.71] } 33... e4 { [%eval -2.61] } 34. Qg3 { [%eval -2.63] } 34... Re6 { [%eval -2.04] } 35. Qe3 { [%eval -2.1] } 35... Ref6 { [%eval -1.67] } 36. Rg5? { [%eval -3.53] } { Mistake. Nd2 was best. } 36... Rf5 { [%eval -2.8] } 37. Rg2 { [%eval -2.85] } 37... Rf3 { [%eval -2.64] } 38. Qa7+ { [%eval -2.78] } 38... R8f7 { [%eval -2.91] } 39. Qxa6 { [%eval -3.01] } 39... R3f6 { [%eval -2.97] } 40. Qc8 { [%eval -2.87] } 40... Qe5 { [%eval -2.71] } 41. Qh3?! { [%eval -3.49] } { Inaccuracy. Qg4 was best. } 41... Rf3?! { [%eval -2.47] } { Inaccuracy. Rf1+ was best. } 42. Qh4 { [%eval -2.96] } 42... Qf4?! { [%eval -1.99] } { Inaccuracy. R3f4 was best. } 43. Qd8?? { [%eval -4.24] } { Blunder. Rg4 was best. } 43... Rxb3 { [%eval -4.32] } 44. Qd4+ { [%eval -4.36] } 44... Kh7 { [%eval -4.21] } 45. Ka2 { [%eval -4.46] } 45... Rf3 { [%eval -4.24] } 46. Rg1 { [%eval -4.2] } 46... Rh3 0-1