Event: Round 6: Jones, Steven A - Siva Mahadevan
Date: 2025-04-21
White: Jones, Steven A
WhiteElo: 2198
Black: Siva Mahadevan
BlackTitle: IM
BlackElo: 2369
Result: 0-1
ECO: B69
Opening: Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:23] } 1... c5 { [%eval 0.25] [%clk 1:30:15] } 2. Nf3 { [%eval 0.2] [%clk 1:30:40] } 2... Nc6 { [%eval 0.25] [%clk 1:30:39] } 3. d4 { [%eval 0.27] [%clk 1:30:43] } 3... cxd4 { [%eval 0.35] [%clk 1:31:02] } 4. Nxd4 { [%eval 0.21] [%clk 1:31:08] } 4... Nf6 { [%eval 0.19] [%clk 1:31:25] } 5. Nc3 { [%eval 0.26] [%clk 1:31:29] } 5... d6 { [%eval 0.3] [%clk 1:31:49] } 6. Bg5 { [%eval 0.25] [%clk 1:30:58] } 6... e6 { [%eval 0.39] [%clk 1:32:12] } 7. Qd2 { [%eval 0.39] [%clk 1:31:01] } 7... a6 { [%eval 0.45] [%clk 1:32:31] } 8. O-O-O { [%eval 0.49] [%clk 1:30:21] } 8... Be7 { [%eval 0.43] [%clk 1:32:24] } 9. f4 { [%eval 0.47] [%clk 1:24:46] } 9... Bd7 { [%eval 0.29] [%clk 1:32:36] } 10. Nf3 { [%eval 0.29] [%clk 1:24:16] } 10... b5 { [%eval 0.3] [%clk 1:32:58] } 11. Bxf6 { [%eval 0.36] [%clk 1:21:16] } 11... gxf6 { [%eval 0.39] [%clk 1:33:25] } 12. f5 { [%eval 0.3] [%clk 1:18:28] } 12... Qb6 { [%eval 0.3] [%clk 1:33:02] } 13. g3 { [%eval 0.21] [%clk 1:18:01] } 13... O-O-O { [%eval 0.28] [%clk 1:30:15] } 14. fxe6 { [%eval 0.27] [%clk 1:15:39] } 14... fxe6 { [%eval 0.29] [%clk 1:30:01] } 15. Bh3 { [%eval 0.29] [%clk 1:15:59] } 15... Kb8 { [%eval 0.34] [%clk 1:29:33] } 16. Kb1 { [%eval 0.34] [%clk 1:12:33] } 16... Rhe8 { [%eval 0.32] [%clk 1:28:41] } 17. Rhf1 { [%eval 0.18] [%clk 1:10:17] } 17... Ne5 { [%eval 0.16] [%clk 1:23:41] } 18. Nd4 { [%eval 0.23] [%clk 1:07:13] } 18... Bf8 { [%eval 0.66] [%clk 1:15:19] } 19. Rxf6?! { [%eval -0.21] } { Inaccuracy. b3 was best. } { [%clk 0:48:03] } 19... b4 { [%eval 0.01] [%clk 1:11:39] } 20. Nce2 { [%eval 0.0] [%clk 0:46:14] } 20... Bg7 { [%eval 0.14] [%clk 1:11:38] } 21. Rff1?! { [%eval -0.75] } { Inaccuracy. Rxe6 was best. } { [%clk 0:35:49] } 21... Nc4 { [%eval -0.64] [%clk 1:08:21] } 22. Qd3?! { [%eval -1.33] } { Inaccuracy. Qg5 was best. } { [%clk 0:32:25] } 22... Bb5 { [%eval -1.3] [%clk 1:07:03] } 23. Qb3?! { [%eval -2.5] } { Inaccuracy. Qf3 was best. } { [%clk 0:31:30] } 23... Nxb2 { [%eval -2.5] [%clk 1:07:09] } 24. Qxb4 { [%eval -2.38] [%clk 0:28:30] } 24... Nxd1 { [%eval -2.47] [%clk 1:07:11] } 25. Rxd1 { [%eval -2.39] [%clk 0:26:36] } 25... Qc5 { [%eval -2.34] [%clk 0:51:53] } 26. Qb3?! { [%eval -3.03] } { Inaccuracy. a3 was best. } { [%clk 0:25:08] } 26... Ka8 { [%eval -3.01] [%clk 0:40:16] } 27. Nxb5 { [%eval -3.0] [%clk 0:18:11] } 27... Rb8 { [%eval -2.99] [%clk 0:39:59] } 28. a4 { [%eval -2.92] [%clk 0:18:09] } 28... axb5 { [%eval -2.92] [%clk 0:39:54] } 29. a5 { [%eval -2.89] [%clk 0:18:28] } 29... b4?? { [%eval -0.78] } { Blunder. Rbc8 was best. } { [%clk 0:23:59] } 30. Bxe6 { [%eval -0.91] [%clk 0:17:37] } 30... Qxa5 { [%eval -0.55] [%clk 0:24:23] } 31. Bd5+?! { [%eval -1.29] } { Inaccuracy. Kc1 was best. } { [%clk 0:15:34] } 31... Ka7 { [%eval -1.37] [%clk 0:24:50] } 32. Nd4 { [%eval -1.93] [%clk 0:15:44] } 32... Rbc8 { [%eval -1.76] [%clk 0:22:44] } 33. c4 { [%eval -2.2] [%clk 0:12:00] } 33... Bxd4 { [%eval -2.06] [%clk 0:20:58] } 34. Rxd4 { [%eval -2.01] [%clk 0:12:22] } 34... Rf8 { [%eval -1.89] [%clk 0:21:16] } 35. Qe3?? { [%eval -4.12] } { Blunder. Rd1 was best. } { [%clk 0:10:45] } 35... Qc5 { [%eval -3.96] [%clk 0:20:52] } 36. e5 { [%eval -4.35] [%clk 0:09:58] } 36... dxe5 { [%eval -4.24] [%clk 0:18:19] } 37. Qxe5?! { [%eval -6.16] } { Inaccuracy. Rd3 was best. } { [%clk 0:09:39] } 37... Rce8 { [%eval -6.01] [%clk 0:18:39] } 38. Qg7+ { [%eval -6.11] [%clk 0:09:30] } 38... Re7 { [%eval -5.87] [%clk 0:19:04] } 39. Qg4 { [%eval -5.79] [%clk 0:09:49] } 39... b3 { [%eval -5.71] [%clk 0:16:53] } 40. Rd2 { [%eval -7.25] [%clk 0:09:17] } 40... Qa3 { [%eval -6.53] [%clk 0:14:08] } 41. Qd4+ { [%eval -7.85] [%clk 0:09:27] } 41... Ka6 { [%eval -6.93] [%clk 0:14:37] } 0-1