Event: Round 10: Das Arpan - Saptarshi Roy Chowdhury
Date: 2024-02-04
White: Das Arpan
WhiteElo: 1947
Black: Saptarshi Roy Chowdhury
BlackTitle: GM
BlackElo: 2233
Result: 0-1
ECO: A53
Opening: Old Indian Defense
Variant: Standard

1. d4 { [%eval 0.15] [%clk 1:27:13] } 1... Nf6 { [%eval 0.16] [%clk 1:28:54] } 2. c4 { [%eval 0.16] [%clk 1:27:37] } 2... d6 { [%eval 0.51] [%clk 1:29:19] } 3. Nc3 { [%eval 0.53] [%clk 1:27:57] } 3... Nbd7 { [%eval 0.86] [%clk 1:29:43] } 4. Nf3 { [%eval 0.92] [%clk 1:28:02] } 4... e5 { [%eval 0.75] [%clk 1:30:08] } 5. g3 { [%eval 0.68] [%clk 1:28:22] } 5... Be7 { [%eval 0.6] [%clk 1:30:25] } 6. Bg2 { [%eval 0.87] [%clk 1:28:47] } 6... O-O { [%eval 0.94] [%clk 1:30:46] } 7. O-O { [%eval 0.92] [%clk 1:29:13] } 7... c6 { [%eval 0.94] [%clk 1:31:13] } 8. e4 { [%eval 0.79] [%clk 1:29:39] } 8... Re8 { [%eval 0.86] [%clk 1:30:33] } 9. h3 { [%eval 0.6] [%clk 1:26:30] } 9... Bf8 { [%eval 0.77] [%clk 1:30:32] } 10. Be3 { [%eval 0.89] [%clk 1:26:50] } 10... Qc7 { [%eval 0.92] [%clk 1:30:10] } 11. Rc1 { [%eval 0.96] [%clk 1:26:46] } 11... exd4 { [%eval 1.09] [%clk 1:27:42] } 12. Nxd4 { [%eval 1.18] [%clk 1:27:10] } 12... Nc5 { [%eval 1.16] [%clk 1:28:05] } 13. Qc2 { [%eval 1.11] [%clk 1:27:30] } 13... a5 { [%eval 1.17] [%clk 1:28:27] } 14. b3 { [%eval 1.15] [%clk 1:27:50] } 14... g6 { [%eval 1.15] [%clk 1:26:59] } 15. Rfe1 { [%eval 1.1] [%clk 1:28:00] } 15... Bd7 { [%eval 1.06] [%clk 1:25:39] } 16. a3 { [%eval 1.08] [%clk 1:28:22] } 16... Rad8 { [%eval 1.16] [%clk 1:25:01] } 17. Rcd1 { [%eval 1.1] [%clk 1:25:19] } 17... Bc8 { [%eval 1.16] [%clk 1:24:27] } 18. Bg5 { [%eval 1.18] [%clk 1:20:40] } 18... Bg7 { [%eval 1.29] [%clk 1:23:23] } 19. f4 { [%eval 0.84] [%clk 1:13:57] } 19... Rd7 { [%eval 0.84] [%clk 1:20:58] } 20. f5?! { [%eval 0.29] } { Inaccuracy. Bh4 was best. } { [%clk 1:11:18] } 20... h6 { [%eval 0.32] [%clk 1:13:21] } 21. Bc1 { [%eval 0.18] [%clk 1:09:59] } 21... g5 { [%eval 0.5] [%clk 1:12:30] } 22. Kh2 { [%eval 0.19] [%clk 1:03:55] } 22... Rde7 { [%eval 0.1] [%clk 1:09:00] } 23. b4 { [%eval 0.02] [%clk 1:01:49] } 23... axb4 { [%eval 0.06] [%clk 1:08:46] } 24. axb4 { [%eval 0.17] [%clk 1:02:13] } 24... Na6?! { [%eval 1.0] } { Inaccuracy. Ncd7 was best. } { [%clk 1:08:08] } 25. Ba3 { [%eval 1.05] [%clk 1:00:39] } 25... Nd7 { [%eval 0.9] [%clk 1:01:29] } 26. Ndb5?! { [%eval 0.0] } { Inaccuracy. Na4 was best. } { [%clk 0:50:16] } 26... cxb5 { [%eval 0.0] [%clk 1:01:35] } 27. Nxb5 { [%eval 0.02] [%clk 0:50:41] } 27... Qb8 { [%eval 0.0] [%clk 1:00:59] } 28. Nxd6 { [%eval 0.0] [%clk 0:51:01] } 28... Be5 { [%eval 0.06] [%clk 0:59:29] } 29. c5 { [%eval 0.21] [%clk 0:51:13] } 29... Nc7?! { [%eval 1.21] } { Inaccuracy. b6 was best. } { [%clk 0:52:44] } 30. b5?? { [%eval -1.2] } { Blunder. Rf1 was best. } { [%clk 0:49:43] } 30... Nxb5 { [%eval -1.1] [%clk 0:49:29] } 31. Nxb5 { [%eval -1.0] [%clk 0:48:55] } 31... Bxg3+ { [%eval -1.06] [%clk 0:49:53] } 32. Kh1 { [%eval -1.42] [%clk 0:48:55] } 32... Bxe1 { [%eval -1.51] [%clk 0:50:18] } 33. Rxe1 { [%eval -1.46] [%clk 0:49:18] } 33... Qg3 { [%eval -1.24] [%clk 0:50:25] } 34. Qc1 { [%eval -1.45] [%clk 0:36:26] } 34... Ne5 { [%eval -1.44] [%clk 0:48:35] } 35. Re3 { [%eval -1.5] [%clk 0:36:48] } 35... Qf4 { [%eval -1.32] [%clk 0:45:10] } 36. Nc3?! { [%eval -2.55] } { Inaccuracy. Nd6 was best. } { [%clk 0:36:32] } 36... Rd8 { [%eval -2.41] [%clk 0:44:02] } 37. Qg1?! { [%eval -3.39] } { Inaccuracy. Re1 was best. } { [%clk 0:28:35] } 37... Nc4?! { [%eval -2.58] } { Inaccuracy. Nd3 was best. } { [%clk 0:11:38] } 38. Rf3 { [%eval -2.32] [%clk 0:28:26] } 38... Qh4 { [%eval -2.16] [%clk 0:12:05] } 39. Bc1? { [%eval -3.87] } { Mistake. Bb4 was best. } { [%clk 0:26:39] } 39... Ne5 { [%eval -3.79] [%clk 0:12:29] } 40. Rf1?! { [%eval -5.51] } { Inaccuracy. Rf2 was best. } { [%clk 0:26:56] } 40... Rd3 { [%eval -5.5] [%clk 0:12:09] } 41. Rf3?! { [%eval -9.97] } { Inaccuracy. Qe3 was best. } 41... Rd8?? { [%eval -4.14] } { Blunder. Nxf3 was best. } 42. Re3 { [%eval -3.92] } 0-1