Event: Macieja Memorial
Date: 2025-07-07
White: Peng, Xiongjian
WhiteTitle: GM
WhiteElo: 2366
Black: Karolczuk, Iwo
BlackTitle: FM
BlackElo: 2270
Result: 0-1
ECO: B50
Opening: Sicilian Defense: Delayed Alapin Variation, with d6
Variant: Standard
TimeControl: 3+2

1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.25] } 2. Nf3 { [%eval 0.2] } 2... d6 { [%eval 0.31] } 3. c3 { [%eval 0.0] } 3... Nf6 { [%eval 0.07] } 4. Bc4 { [%eval 0.0] } 4... e6 { [%eval 0.0] } 5. d3 { [%eval 0.0] } 5... Be7 { [%eval 0.0] } 6. O-O { [%eval 0.0] } 6... O-O { [%eval 0.0] } 7. Nbd2 { [%eval -0.06] } 7... Nc6 { [%eval 0.0] } 8. a4 { [%eval 0.15] } 8... a6 { [%eval 0.04] } 9. Re1 { [%eval 0.12] } 9... Rb8 { [%eval 0.06] } 10. Bb3 { [%eval 0.13] } 10... b5 { [%eval 0.29] } 11. axb5 { [%eval 0.21] } 11... axb5 { [%eval 0.13] } 12. d4 { [%eval 0.18] } 12... e5 { [%eval 0.39] } 13. d5 { [%eval 0.36] } 13... Na5 { [%eval 0.34] } 14. Bc2 { [%eval 0.14] } 14... b4 { [%eval 0.58] } 15. Bd3 { [%eval 0.64] } 15... Bd7 { [%eval 0.78] } 16. h3 { [%eval 0.58] } 16... Qc7 { [%eval 0.57] } 17. c4 { [%eval 0.29] } 17... Ra8 { [%eval 0.34] } 18. Nf1 { [%eval 0.29] } 18... Nb7 { [%eval 0.33] } 19. Be3 { [%eval 0.4] } 19... Rxa1 { [%eval 0.51] } 20. Qxa1 { [%eval 0.52] } 20... Na5 { [%eval 0.46] } 21. Qd1 { [%eval 0.51] } 21... Ra8 { [%eval 0.61] } 22. g4 { [%eval 0.29] } 22... Nb7 { [%eval 0.57] } 23. Ng3 { [%eval 0.54] } 23... Ra2 { [%eval 0.69] } 24. b3 { [%eval 0.36] } 24... Qa5?! { [%eval 1.02] } { Inaccuracy. Ne8 was best. } 25. g5 { [%eval 1.11] } 25... Ne8 { [%eval 0.9] } 26. Kg2 { [%eval 0.67] } 26... g6 { [%eval 0.74] } 27. Nh2 { [%eval 0.41] } 27... Qd8 { [%eval 0.69] } 28. h4 { [%eval 0.71] } 28... Qc8 { [%eval 0.66] } 29. Qb1 { [%eval 0.67] } 29... Bh3+ { [%eval 1.12] } 30. Kg1?! { [%eval 0.54] } { Inaccuracy. Kh1 was best. } 30... Qa8 { [%eval 0.74] } 31. Be2 { [%eval 0.84] } 31... Ra3 { [%eval 0.74] } 32. Bc1? { [%eval -0.45] } { Mistake. Ng4 was best. } 32... Ra1 { [%eval -0.44] } 33. Qc2 { [%eval -0.99] } 33... Qa2 { [%eval -0.86] } 34. Qd1?? { [%eval -3.45] } { Blunder. Qxa2 was best. } 34... Na5 { [%eval -3.48] } 35. Bg4 { [%eval -3.09] } 35... Bxg4 { [%eval -2.97] } 36. Qxg4?! { [%eval -3.92] } { Inaccuracy. Nxg4 was best. } 36... Nxb3 { [%eval -4.15] } 37. Qd7 { [%eval -4.43] } 37... Kf8 { [%eval -4.32] } 38. Ng4 { [%eval -5.4] } 38... Rxc1 { [%eval -5.43] } 39. Rxc1 { [%eval -5.61] } 39... Nxc1 { [%eval -5.31] } 40. Nf5?! { [%eval -8.38] } { Inaccuracy. Nf6 was best. } 40... gxf5 { [%eval -7.88] } 41. exf5? { [%eval #-11] } { Checkmate is now unavoidable. Ne3 was best. } 41... Ne2+ { [%eval #-10] } 42. Kh2 { [%eval -6.7] } 42... Qxc4 { [%eval -6.62] } 43. f6 { [%eval -6.58] } 43... Nxf6 { [%eval -6.4] } 44. gxf6 { [%eval -6.25] } 44... Qf4+ { [%eval -6.31] } 45. Kg2 { [%eval -5.68] } 45... Bxf6 { [%eval -5.91] } 46. Qxd6+?! { [%eval -9.26] } { Inaccuracy. h5 was best. } 46... Kg7 { [%eval -9.06] } 47. Nxf6 { [%eval #-20] } 47... Qxf6 { [%eval -12.74] } 48. Qxc5?! { [%eval #-10] } { Checkmate is now unavoidable. Qb8 was best. } 48... Nf4+ { [%eval #-9] } 49. Kf1 { [%eval #-4] } 49... Qxh4 0-1