Event: Ronda 3: Mazariegos Kummerfeldt, Carolina - Chen, Megan
Date: 2025-05-02
White: Mazariegos Kummerfeldt, Carolina
WhiteTitle: WIM
WhiteElo: 1893
Black: Chen, Megan
BlackElo: 1702
Result: 1-0
ECO: B33
Opening: Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:30:58] } 2. Nf3 { [%eval 0.2] [%clk 1:31:20] } 2... Nc6 { [%eval 0.25] [%clk 1:31:26] } 3. d4 { [%eval 0.27] [%clk 1:31:40] } 3... cxd4 { [%eval 0.35] [%clk 1:31:54] } 4. Nxd4 { [%eval 0.21] [%clk 1:31:58] } 4... Nf6 { [%eval 0.19] [%clk 1:32:21] } 5. Nc3 { [%eval 0.26] [%clk 1:32:02] } 5... e5 { [%eval 0.34] [%clk 1:32:49] } 6. Ndb5 { [%eval 0.31] [%clk 1:31:43] } 6... d6 { [%eval 0.34] [%clk 1:33:15] } 7. Bg5 { [%eval 0.22] [%clk 1:31:13] } 7... a6 { [%eval 0.3] [%clk 1:33:42] } 8. Bxf6 { [%eval 0.09] [%clk 1:29:59] } 8... gxf6 { [%eval 0.05] [%clk 1:34:08] } 9. Na3 { [%eval 0.12] [%clk 1:30:22] } 9... b5 { [%eval 0.09] [%clk 1:34:35] } 10. Nd5 { [%eval 0.18] [%clk 1:30:20] } 10... Bg7 { [%eval 0.28] [%clk 1:35:02] } 11. Bxb5?? { [%eval -2.92] } { Blunder. Bd3 was best. } { [%clk 1:28:59] } 11... axb5 { [%eval -2.9] [%clk 1:34:31] } 12. Nxb5 { [%eval -2.85] [%clk 1:29:13] } 12... O-O { [%eval -2.83] [%clk 1:29:46] } 13. O-O { [%eval -2.86] [%clk 1:23:31] } 13... Ba6?! { [%eval -2.16] } { Inaccuracy. f5 was best. } { [%clk 1:25:53] } 14. a4 { [%eval -2.14] [%clk 1:22:09] } 14... Nd4 { [%eval -2.08] [%clk 1:14:42] } 15. c4 { [%eval -2.09] [%clk 1:10:05] } 15... f5 { [%eval -2.07] [%clk 1:14:44] } 16. exf5 { [%eval -1.93] [%clk 0:57:00] } 16... Nxf5 { [%eval -1.7] [%clk 1:15:05] } 17. Qh5 { [%eval -1.92] [%clk 0:56:40] } 17... Nd4 { [%eval -1.9] [%clk 1:13:46] } 18. Rfd1 { [%eval -2.53] [%clk 0:52:50] } 18... Nxb5? { [%eval -0.93] } { Mistake. Bb7 was best. } { [%clk 0:58:25] } 19. axb5 { [%eval -0.95] [%clk 0:38:58] } 19... Bb7 { [%eval -0.88] [%clk 0:58:50] } 20. Rxa8 { [%eval -1.0] [%clk 0:32:53] } 20... Bxa8 { [%eval -0.92] [%clk 0:59:16] } 21. Rd3?! { [%eval -1.57] } { Inaccuracy. Ne3 was best. } { [%clk 0:32:51] } 21... Bxd5 { [%eval -1.5] [%clk 0:54:06] } 22. Rxd5 { [%eval -1.45] [%clk 0:33:08] } 22... Qa5 { [%eval -1.09] [%clk 0:49:27] } 23. Qd1 { [%eval -0.98] [%clk 0:29:51] } 23... Rd8 { [%eval -0.52] [%clk 0:41:54] } 24. g3 { [%eval -0.45] [%clk 0:29:40] } 24... e4 { [%eval -0.34] [%clk 0:36:59] } 25. b3 { [%eval -0.44] [%clk 0:29:26] } 25... Qb4 { [%eval -0.05] [%clk 0:27:04] } 26. Kg2 { [%eval -0.1] [%clk 0:27:57] } 26... h6 { [%eval -0.06] [%clk 0:22:38] } 27. Kh3 { [%eval -0.19] [%clk 0:25:22] } 27... Kh8 { [%eval -0.2] [%clk 0:21:19] } 28. Qc2?! { [%eval -0.91] } { Inaccuracy. Rf5 was best. } { [%clk 0:16:35] } 28... Re8 { [%eval -0.97] [%clk 0:19:28] } 29. Qa2?? { [%eval -3.86] } { Blunder. Qe2 was best. } { [%clk 0:14:32] } 29... e3?? { [%eval -1.42] } { Blunder. Qe1 was best. } { [%clk 0:17:54] } 30. fxe3 { [%eval -1.41] [%clk 0:13:23] } 30... Rxe3?! { [%eval -0.38] } { Inaccuracy. Be5 was best. } { [%clk 0:17:18] } 31. Rd3?? { [%eval -2.86] } { Blunder. Qf2 was best. } { [%clk 0:12:51] } 31... Qe1 { [%eval -2.92] [%clk 0:14:05] } 32. Rxe3 { [%eval -2.76] [%clk 0:05:49] } 32... Qxe3 { [%eval -2.27] [%clk 0:14:29] } 33. Qa8+ { [%eval -1.98] [%clk 0:06:17] } 33... Kh7 { [%eval -1.85] [%clk 0:14:51] } 34. Qc6?? { [%eval -4.77] } { Blunder. Qd5 was best. } { [%clk 0:06:38] } 34... Qe6+ { [%eval -4.67] [%clk 0:13:58] } 35. Kg2 { [%eval -4.72] [%clk 0:06:59] } 35... Qe2+ { [%eval -4.61] [%clk 0:13:59] } 36. Kh3 { [%eval -4.52] [%clk 0:07:18] } 36... Qf1+ { [%eval -4.42] [%clk 0:13:08] } 37. Qg2 { [%eval -4.32] [%clk 0:07:15] } 37... Qf5+ { [%eval -4.55] [%clk 0:10:26] } 38. g4 { [%eval -4.51] [%clk 0:07:37] } 38... Qd3+ { [%eval -4.48] [%clk 0:10:04] } 39. Qg3 { [%eval -4.51] [%clk 0:07:54] } 39... Qf1+ { [%eval -4.21] [%clk 0:09:01] } 40. Qg2 { [%eval -4.04] [%clk 0:08:05] } 40... Qxg2+?? { [%eval 0.0] } { Blunder. Qd3+ was best. } { [%clk 0:08:23] } 41. Kxg2 { [%eval 0.0] [%clk 0:08:33] } 41... Bd4 { [%eval 0.0] [%clk 0:08:30] } 42. b4 { [%eval -0.43] [%clk 0:08:27] } 42... Kg6 { [%eval -0.15] [%clk 0:06:50] } 43. Kf3 { [%eval -0.09] [%clk 0:08:50] } 43... Kg5 { [%eval 0.0] [%clk 0:04:26] } 44. Ke4 { [%eval 0.0] [%clk 0:08:54] } 44... Ba7 { [%eval 0.3] [%clk 0:02:14] } 45. Kd5 { [%eval 0.14] [%clk 0:08:47] } 45... Kxg4?? { [%eval 8.59] } { Blunder. Bg1 was best. } { [%clk 0:02:06] } 46. c5 { [%eval 8.48] [%clk 0:09:13] } 46... dxc5 { [%eval 7.95] [%clk 0:02:02] } 47. bxc5 { [%eval 7.18] [%clk 0:09:37] } 47... f5?! { [%eval 73.1] } { Inaccuracy. Bb8 was best. } { [%clk 0:01:55] } 48. b6 { [%eval 11.9] [%clk 0:10:01] } 48... Bb8 { [%eval 10.2] [%clk 0:01:48] } 49. c6 { [%eval 9.25] [%clk 0:10:30] } 49... f4? { [%eval #10] } { Checkmate is now unavoidable. Bf4 was best. } { [%clk 0:01:19] } 50. c7 { [%eval #9] [%clk 0:10:51] } 50... f3 { [%eval #7] [%clk 0:01:30] } 51. cxb8=Q { [%eval #6] [%clk 0:10:54] } 51... f2 { [%eval #6] [%clk 0:01:54] } 52. Qg3+ { [%eval #5] [%clk 0:11:13] } 1-0