Event: Najdorf Memorial
Date: 2025-07-14
White: Siennicki, Gustaw
WhiteElo: 2060
Black: Cornelisse, Lorelei
BlackTitle: WFM
BlackElo: 2129
Result: 1/2-1/2
ECO: D00
Opening: Queen's Pawn Game: Accelerated London System, Steinitz Countergambit
Variant: Standard

1. d4 { [%eval 0.17] } 1... d5 { [%eval 0.2] } 2. Bf4 { [%eval 0.0] } 2... c5 { [%eval 0.06] } 3. e3 { [%eval 0.0] } 3... Nc6 { [%eval 0.05] } 4. c3 { [%eval 0.0] } 4... Qb6 { [%eval 0.0] } 5. Qc2 { [%eval 0.0] } 5... g6 { [%eval 0.0] } 6. Nf3 { [%eval -0.03] } 6... Bf5 { [%eval 0.21] } 7. dxc5 { [%eval 0.34] } 7... Qxc5 { [%eval 0.21] } 8. Qb3 { [%eval 0.22] } 8... O-O-O { [%eval 0.27] } 9. Bb5?! { [%eval -0.31] } { Inaccuracy. Nbd2 was best. } 9... f6 { [%eval -0.39] } 10. Nd4 { [%eval -0.4] } 10... e5 { [%eval -0.42] } 11. Nxc6?! { [%eval -1.05] } { Inaccuracy. Bxc6 was best. } 11... bxc6 { [%eval -1.02] } 12. Ba6+ { [%eval -1.08] } 12... Kd7 { [%eval -1.07] } 13. e4?! { [%eval -1.76] } { Inaccuracy. Bg3 was best. } 13... Bxe4 { [%eval -1.66] } 14. Be3 { [%eval -1.64] } 14... Qa5 { [%eval -1.57] } 15. Be2?! { [%eval -2.65] } { Inaccuracy. Qb7+ was best. } 15... Bxg2 { [%eval -2.65] } 16. Rg1 { [%eval -2.42] } 16... Bh3 { [%eval -2.6] } 17. Nd2 { [%eval -2.58] } 17... Bd6 { [%eval -2.41] } 18. Rd1?! { [%eval -3.9] } { Inaccuracy. Bg4+ was best. } 18... Ne7 { [%eval -3.29] } 19. a4 { [%eval -3.59] } 19... Nf5 { [%eval -3.45] } 20. Qc2 { [%eval -3.74] } 20... Ke7 { [%eval -3.9] } 21. b4 { [%eval -3.78] } 21... Qc7 { [%eval -3.96] } 22. Nf1 { [%eval -4.15] } 22... Rhe8 { [%eval -3.84] } 23. Bc1 { [%eval -4.02] } 23... e4 { [%eval -4.15] } 24. Ng3 { [%eval -4.15] } 24... Nh4 { [%eval -4.16] } 25. Nxe4?! { [%eval -5.46] } { Inaccuracy. Qd2 was best. } 25... Bxh2 { [%eval -5.33] } 26. Nxf6 { [%eval -6.66] [%clk 0:55:59] } 26... Bxg1 { [%eval -6.65] } 27. Nxe8 { [%eval -8.64] } 27... Qe5?! { [%eval -5.02] } { Inaccuracy. Bxf2+ was best. } { [%clk 1:05:16] } 28. Rd3 { [%eval -5.13] } 28... Ng2+ { [%eval -5.14] } 29. Kd1 { [%eval -5.05] [%clk 0:54:08] } 29... Bf5 { [%eval -4.86] [%clk 1:02:21] } 30. Bg5+ { [%eval -5.83] [%clk 0:49:53] } 30... Kxe8 { [%eval -5.69] [%clk 1:02:43] } 31. Bxd8 { [%eval -6.01] [%clk 0:50:10] } 31... Kxd8 { [%eval -6.19] [%clk 1:02:56] } 32. Qd2 { [%eval -5.77] [%clk 0:49:47] } 32... Bxd3 { [%eval -5.73] [%clk 1:03:10] } 33. Bxd3 { [%eval -6.04] [%clk 0:50:12] } 33... Qf4 { [%eval -6.06] [%clk 1:03:05] } 34. Qe2 { [%eval -6.6] [%clk 0:49:28] } 34... Qxf2 { [%eval -6.23] [%clk 1:03:21] } 35. Qe6?? { [%eval #-13] } { Checkmate is now unavoidable. Ba6 was best. } 35... Ne3+ { [%eval #-12] } 36. Kc1 { [%eval #-12] [%clk 0:49:48] } 36... Qe1+ { [%eval #-11] [%clk 1:04:12] } 37. Kb2 { [%eval #-11] [%clk 0:50:08] } 37... Nd1+ { [%eval #-10] [%clk 1:04:39] } 1/2-1/2