Event: Fagernes Chess International 2023
Site: Fagernes, Norway
Date: 2023-04-08
White: Chatterjee, Koustav
WhiteTitle: IM
WhiteElo: 2520
Black: Rithvik R, Raja
BlackTitle: GM
BlackElo: 2472
Result: 1-0
ECO: E49
Opening: Nimzo-Indian Defense: Normal Variation, Botvinnik System
Variant: Standard
TimeControl: 100 minutes/40 moves + 40 minutes/rest with 30 seconds increment from move 1

1. d4 { [%eval 0.0] [%clk 1:36:31] } 1... Nf6 { [%eval 0.28] [%clk 1:40:48] } 2. c4 { [%eval 0.16] [%clk 1:34:40] } 2... e6 { [%eval 0.23] [%clk 1:41:07] } 3. Nc3 { [%eval 0.05] [%clk 1:34:21] } 3... Bb4 { [%eval 0.25] [%clk 1:41:24] } 4. e3 { [%eval 0.0] [%clk 1:34:43] } 4... O-O { [%eval 0.21] [%clk 1:41:44] } 5. Bd3 { [%eval 0.04] [%clk 1:35:06] } 5... d5 { [%eval 0.12] [%clk 1:42:08] } 6. a3 { [%eval 0.02] [%clk 1:35:29] } 6... Bxc3+ { [%eval 0.01] [%clk 1:42:33] } 7. bxc3 { [%eval 0.18] [%clk 1:35:55] } 7... dxc4 { [%eval 0.18] [%clk 1:42:59] } 8. Bxc4 { [%eval 0.19] [%clk 1:36:19] } 8... c5 { [%eval 0.07] [%clk 1:43:26] } 9. Nf3 { [%eval 0.0] [%clk 1:36:42] } 9... Qc7 { [%eval 0.04] [%clk 1:43:51] } 10. Be2 { [%eval 0.0] [%clk 1:37:06] } 10... b6 { [%eval 0.07] [%clk 1:42:37] } 11. Bb2 { [%eval 0.12] [%clk 1:35:28] } 11... Bb7 { [%eval 0.12] [%clk 1:42:59] } 12. O-O { [%eval 0.11] [%clk 1:35:49] } 12... Nbd7 { [%eval 0.3] [%clk 1:43:01] } 13. c4 { [%eval 0.14] [%clk 1:35:10] } 13... Rfd8 { [%eval 0.24] [%clk 1:42:49] } 14. Re1 { [%eval 0.07] [%clk 1:35:10] } 14... Rac8 { [%eval 0.22] [%clk 1:28:57] } 15. Bf1 { [%eval 0.23] [%clk 1:15:45] } 15... Nf8 { [%eval 0.45] [%clk 1:14:17] } 16. h3 { [%eval 0.39] [%clk 1:02:52] } 16... Ng6 { [%eval 0.44] [%clk 1:12:09] } 17. a4 { [%eval 0.24] [%clk 1:01:28] } 17... Bc6 { [%eval 0.32] [%clk 1:00:01] } 18. Ra3 { [%eval 0.2] [%clk 0:35:22] } 18... Qb7 { [%eval 0.19] [%clk 0:47:57] } 19. Nd2 { [%eval -0.18] [%clk 0:33:54] } 19... Nh4 { [%eval 0.19] [%clk 0:36:08] } 20. f3 { [%eval -0.27] [%clk 0:29:46] } 20... Qc7?! { [%eval 0.4] } { Inaccuracy. Qe7 was best. } { [%clk 0:26:46] } 21. Qe2 { [%eval 0.38] [%clk 0:11:42] } 21... Nf5 { [%eval 0.65] [%clk 0:13:47] } 22. Qf2 { [%eval 0.63] [%clk 0:11:51] } 22... cxd4 { [%eval 0.6] [%clk 0:13:07] } 23. exd4 { [%eval 0.57] [%clk 0:12:13] } 23... Qf4 { [%eval 0.71] [%clk 0:12:24] } 24. Nb3 { [%eval 0.63] [%clk 0:10:07] } 24... h5 { [%eval 0.24] [%clk 0:08:50] } 25. Bd3 { [%eval 0.05] [%clk 0:09:29] } 25... Bb7?! { [%eval 1.03] } { Inaccuracy. h4 was best. } { [%clk 0:05:38] } 26. d5?! { [%eval 0.45] } { Inaccuracy. a5 was best. } { [%clk 0:08:14] } 26... Ne8? { [%eval 2.03] } { Mistake. Ba6 was best. } { [%clk 0:02:59] } 27. a5 { [%eval 1.95] [%clk 0:05:54] } 27... b5 { [%eval 2.25] [%clk 0:01:17] } 28. Nc5 { [%eval 2.32] [%clk 0:04:57] } 28... bxc4 { [%eval 2.27] [%clk 0:01:09] } 29. Bxf5 { [%eval 2.39] [%clk 0:05:12] } 29... Rxd5?! { [%eval 3.2] } { Inaccuracy. Qxf5 was best. } { [%clk 0:00:35] } 30. Nxb7?! { [%eval 2.07] } { Inaccuracy. Bxe6 was best. } { [%clk 0:04:54] } 30... Rd2?? { [%eval 4.58] } { Blunder. exf5 was best. } { [%clk 0:00:38] } 31. Bc1 { [%eval 4.93] [%clk 0:05:02] } 31... Rxf2 { [%eval 4.93] [%clk 0:00:32] } 32. Bxf4 { [%eval 4.67] [%clk 0:05:26] } 32... Rb2 { [%eval 5.11] [%clk 0:00:54] } 33. Rb1 { [%eval 4.42] [%clk 0:04:14] } 33... c3 { [%eval 4.32] [%clk 0:01:10] } 34. Bc1 { [%eval 4.82] [%clk 0:02:57] } 34... Rxb1 { [%eval 4.78] [%clk 0:00:36] } 35. Bxb1 { [%eval 4.68] [%clk 0:03:19] } 35... c2 { [%eval 4.72] [%clk 0:01:04] } 36. Bxc2 { [%eval 3.92] [%clk 0:01:43] } 36... Rxc2 { [%eval 3.95] [%clk 0:01:28] } 37. Be3 { [%eval 4.0] [%clk 0:02:10] } 37... a6 { [%eval 3.82] [%clk 0:01:46] } 38. Rd3 { [%eval 3.64] [%clk 0:01:01] } 38... Nc7 { [%eval 4.83] [%clk 0:01:53] } 39. Rd2?! { [%eval 3.55] } { Inaccuracy. Rd8+ was best. } { [%clk 0:01:06] } 1-0