Event: Round 4 - IM D: Isaac Valent Tello Chavez - Alex Kolay
Site: https://lichess.org/study/Fw0OuDgi/dosrJaDG
Date: 2021-07-30
White: Isaac Valent Tello Chavez
Black: Alex Kolay
Result: 1/2-1/2
ECO: A15
Opening: English Opening: Anglo-Indian Defense, King's Knight Variation
Variant: Standard

1. c4 { [%eval 0.2] [%clk 1:30:48] } 1... Nf6 { [%eval 0.29] [%clk 1:27:27] } 2. Nf3 { [%eval 0.15] [%clk 1:30:21] } 2... c6 { [%eval 0.24] [%clk 1:27:51] } 3. Nc3 { [%eval 0.19] [%clk 1:30:10] } 3... d5 { [%eval 0.36] [%clk 1:28:05] } 4. e3 { [%eval 0.24] [%clk 1:30:07] } 4... e6 { [%eval 0.28] [%clk 1:28:22] } 5. b3 { [%eval 0.09] [%clk 1:29:30] } 5... Nbd7 { [%eval 0.21] [%clk 1:28:17] } 6. Qc2 { [%eval 0.22] [%clk 1:28:55] } 6... Bd6 { [%eval 0.22] [%clk 1:28:10] } 7. Bb2 { [%eval 0.19] [%clk 1:29:07] } 7... O-O { [%eval 0.13] [%clk 1:27:59] } 8. Rg1 { [%eval -0.37] [%clk 1:28:06] } 8... Ne5?! { [%eval 0.5] } { Inaccuracy. e5 was best. } { [%clk 1:09:49] } 9. Be2 { [%eval 0.0] [%clk 1:07:14] } 9... a6?! { [%eval 0.9] } { Inaccuracy. Nxf3+ was best. } { [%clk 0:45:26] } 10. c5 { [%eval 0.91] [%clk 0:51:23] } 10... Bc7 { [%eval 0.82] [%clk 0:44:20] } 11. Nxe5 { [%eval 0.65] [%clk 0:45:41] } 11... Bxe5 { [%eval 1.04] [%clk 0:43:56] } 12. f4?! { [%eval 0.41] } { Inaccuracy. g4 was best. } { [%clk 0:46:05] } 12... Bc7 { [%eval 0.22] [%clk 0:42:16] } 13. Na4 { [%eval -0.08] [%clk 0:40:57] } 13... e5 { [%eval -0.09] [%clk 0:28:05] } 14. Bxe5 { [%eval -0.37] [%clk 0:31:27] } 14... Bxe5 { [%eval 0.0] [%clk 0:28:13] } 15. fxe5 { [%eval -0.3] [%clk 0:31:52] } 15... Ng4 { [%eval 0.0] [%clk 0:26:53] } 16. O-O-O { [%eval -0.08] [%clk 0:29:16] } 16... Nxe5 { [%eval -0.08] [%clk 0:26:47] } 17. Qc3 { [%eval -0.49] [%clk 0:27:19] } 17... Bg4 { [%eval -0.58] [%clk 0:21:15] } 18. Bxg4?! { [%eval -1.52] } { Inaccuracy. Qxe5 was best. } { [%clk 0:20:10] } 18... Nxg4 { [%eval -1.71] [%clk 0:21:12] } 19. Rdf1 { [%eval -1.98] [%clk 0:15:51] } 19... Qe7?! { [%eval -1.07] } { Inaccuracy. Nxh2 was best. } { [%clk 0:18:17] } 20. Rf4 { [%eval -1.43] [%clk 0:15:21] } 20... Ne5? { [%eval -0.39] } { Mistake. Nf6 was best. } { [%clk 0:17:42] } 21. Rgf1 { [%eval -0.52] [%clk 0:13:08] } 21... Rae8 { [%eval -0.53] [%clk 0:16:47] } 22. g3?! { [%eval -1.05] } { Inaccuracy. Nb2 was best. } { [%clk 0:12:39] } 22... Qe6 { [%eval -1.07] [%clk 0:12:20] } 23. Qd4 { [%eval -0.98] [%clk 0:06:39] } 23... Re7?! { [%eval -0.45] } { Inaccuracy. Qh6 was best. } { [%clk 0:04:20] } 24. Kb2 { [%eval -0.77] [%clk 0:06:25] } 24... Rfe8 { [%eval -0.79] [%clk 0:03:17] } 25. Nc3 { [%eval -1.46] [%clk 0:03:39] } 25... Rd7? { [%eval -0.41] } { Mistake. Qg6 was best. } { [%clk 0:00:47] } 26. Na4? { [%eval -1.66] } { Mistake. Rf5 was best. } { [%clk 0:03:30] } 26... Rde7 { [%eval -1.31] [%clk 0:01:11] } 27. Nc3 { [%eval -0.68] [%clk 0:03:52] } 27... Rd7 { [%eval -0.46] [%clk 0:01:26] } 28. Rf5 { [%clk 0:01:42] } 28... Rde7 { [%clk 0:01:22] } 29. R5f4 { [%clk 0:01:13] } 29... Rd7 { [%clk 0:01:45] } 30. Rf5 { [%clk 0:01:36] } 30... Rde7 { [%clk 0:02:10] } 31. R5f4 { [%clk 0:01:21] } 31... Rd7 { [%clk 0:02:35] } 32. Rf5 Rde7 33. R5f4 1/2-1/2