Event: Quantbox Chennai Grandmasters Chess Tournament -Challengers 2025
Site: https://lichess.org/broadcast/chennai-grand-masters-2025--challengers/round-5/J3YmbgU3/3EpmIoM9
White: Ghosh, Diptayan
WhiteTitle: GM
WhiteElo: 2576
Black: Iniyan, Pa
BlackTitle: GM
BlackElo: 2586
Result: 1/2-1/2
ECO: E32
Opening: Nimzo-Indian Defense: Classical Variation
Variant: Standard
TimeControl: 90 minutes + 30 seconds per move

1. d4 { [%eval 0.17] [%clk 1:30:35] } 1... Nf6 { [%eval 0.19] [%clk 1:28:21] } 2. c4 { [%eval 0.18] [%clk 1:30:56] } 2... e6 { [%eval 0.14] [%clk 1:28:44] } 3. Nc3 { [%eval 0.09] [%clk 1:31:16] } 3... Bb4 { [%eval 0.09] [%clk 1:29:06] } 4. Qc2 { [%eval 0.08] [%clk 1:31:40] } 4... h6 { [%eval 0.33] [%clk 1:28:41] } 5. Nf3 { [%eval 0.19] [%clk 1:27:01] } 5... c5 { [%eval 0.25] [%clk 1:29:03] } 6. dxc5 { [%eval 0.29] [%clk 1:26:41] } 6... Na6 { [%eval 0.3] [%clk 1:29:26] } 7. Bd2 { [%eval 0.14] [%clk 1:26:22] } 7... Nxc5 { [%eval 0.17] [%clk 1:25:14] } 8. e3 { [%eval 0.12] [%clk 1:25:41] } 8... b6 { [%eval 0.06] [%clk 1:24:55] } 9. Be2 { [%eval 0.01] [%clk 1:22:30] } 9... Bb7 { [%eval 0.0] [%clk 1:25:12] } 10. O-O { [%eval 0.0] [%clk 1:21:15] } 10... Nfe4 { [%eval 0.2] [%clk 1:13:02] } 11. Nxe4 { [%eval 0.23] [%clk 1:15:06] } 11... Bxe4 { [%eval 0.2] [%clk 1:13:21] } 12. Qd1 { [%eval 0.37] [%clk 1:15:32] } 12... Bxd2 { [%eval 0.28] [%clk 1:12:31] } 13. Nxd2 { [%eval 0.23] [%clk 1:15:11] } 13... Bb7 { [%eval 0.46] [%clk 1:07:34] } 14. b4 { [%eval 0.38] [%clk 1:11:24] } 14... Na6 { [%eval 0.37] [%clk 1:07:57] } 15. a3 { [%eval 0.28] [%clk 1:10:52] } 15... O-O { [%eval 0.3] [%clk 1:08:09] } 16. Rc1 { [%eval 0.37] [%clk 1:09:09] } 16... Nc7 { [%eval 0.52] [%clk 0:57:57] } 17. Qb3 { [%eval 0.27] [%clk 1:00:41] } 17... a5 { [%eval 0.47] [%clk 0:50:53] } 18. Bf3 { [%eval 0.05] [%clk 0:51:20] } 18... Qb8?! { [%eval 0.8] } { Inaccuracy. Bxf3 was best. } { [%clk 0:41:38] } 19. Rfd1?! { [%eval 0.07] } { Inaccuracy. b5 was best. } { [%clk 0:39:10] } 19... axb4 { [%eval -0.02] [%clk 0:40:04] } 20. axb4 { [%eval 0.1] [%clk 0:36:36] } 20... d5 { [%eval 0.23] [%clk 0:40:17] } 21. Qb2 { [%eval 0.05] [%clk 0:35:02] } 21... Ra4 { [%eval 0.47] [%clk 0:36:55] } 22. Nb1?! { [%eval -0.1] } { Inaccuracy. b5 was best. } { [%clk 0:26:13] } 22... Ra7 { [%eval 0.14] [%clk 0:22:07] } 23. Nd2 { [%eval 0.07] [%clk 0:22:57] } 23... Ra4 { [%eval 0.35] [%clk 0:21:28] } 24. Nb1 { [%eval 0.0] [%clk 0:23:09] } 24... Ra7 { [%eval 0.14] [%clk 0:21:53] } 25. Nd2 { [%eval 0.0] [%clk 0:23:35] } 25... Ra4 { [%eval 0.3] [%clk 0:21:34] } 1/2-1/2