Event: Round 5: Grisales Castrillon, Juan Steban - Otero Portillo, Daniel Alejandro
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-blitz-2025--juvenil-masculino/round-5/pRVyNnzy/KVMmtdgy
Date: 2025-10-28
White: Grisales Castrillon, Juan Steban
Black: Otero Portillo, Daniel Alejandro
BlackElo: 1672
Result: 1-0
ECO: E70
Opening: King's Indian Defense: Normal Variation
Variant: Standard
TimeControl: 4+2

1. d4 { [%eval 0.17] [%clk 0:04:03] } 1... Nf6 { [%eval 0.19] [%clk 0:04:02] } 2. c4 { [%eval 0.18] [%clk 0:04:04] } 2... g6 { [%eval 0.28] [%clk 0:04:03] } 3. Nc3 { [%eval 0.18] [%clk 0:04:06] } 3... Bg7 { [%eval 0.46] [%clk 0:04:04] } 4. e4 { [%eval 0.4] [%clk 0:04:07] } 4... d6 { [%eval 0.55] [%clk 0:04:05] } 5. Bd3 { [%eval 0.38] [%clk 0:04:08] } 5... O-O { [%eval 0.43] [%clk 0:04:05] } 6. Nge2 { [%eval 0.32] [%clk 0:04:09] } 6... e5 { [%eval 0.49] [%clk 0:04:05] } 7. d5 { [%eval 0.45] [%clk 0:04:10] } 7... a5 { [%eval 0.47] [%clk 0:04:06] } 8. Bg5 { [%eval 0.45] [%clk 0:04:08] } 8... h6 { [%eval 0.51] [%clk 0:04:06] } 9. Be3 { [%eval 0.44] [%clk 0:04:08] } 9... Na6 { [%eval 0.79] [%clk 0:04:07] } 10. O-O { [%eval 0.57] [%clk 0:04:07] } 10... Nh7 { [%eval 1.02] [%clk 0:04:01] } 11. Qd2 { [%eval 0.92] [%clk 0:04:01] } 11... Nc5 { [%eval 0.96] [%clk 0:03:52] } 12. Bc2 { [%eval 0.99] [%clk 0:03:45] } 12... g5?! { [%eval 1.99] } { Inaccuracy. h5 was best. } { [%clk 0:03:50] } 13. f3 { [%eval 1.76] [%clk 0:03:43] } 13... f5 { [%eval 2.22] [%clk 0:03:48] } 14. a3?? { [%eval -0.54] } { Blunder. exf5 was best. } { [%clk 0:03:25] } 14... f4 { [%eval -0.67] [%clk 0:03:45] } 15. Bf2 { [%eval -0.7] [%clk 0:03:26] } 15... g4 { [%eval -0.44] [%clk 0:03:46] } 16. fxg4 { [%eval -0.47] [%clk 0:03:01] } 16... Bxg4 { [%eval -0.41] [%clk 0:03:46] } 17. Bxc5 { [%eval -0.52] [%clk 0:02:56] } 17... dxc5 { [%eval -0.59] [%clk 0:03:46] } 18. Nb5 { [%eval -1.01] [%clk 0:02:37] } 18... Ng5 { [%eval -1.12] [%clk 0:03:35] } 19. h3?? { [%eval -3.65] } { Blunder. Kh1 was best. } { [%clk 0:02:25] } 19... Bxh3 { [%eval -3.78] [%clk 0:03:25] } 20. d6?! { [%eval -4.84] } { Inaccuracy. Kh2 was best. } { [%clk 0:01:45] } 20... Bg4? { [%eval -2.6] } { Mistake. f3 was best. } { [%clk 0:03:03] } 21. Nxc7 { [%eval -2.52] [%clk 0:01:38] } 21... Bxe2?? { [%eval -0.11] } { Blunder. Rc8 was best. } { [%clk 0:03:03] } 22. Qxe2 { [%eval -0.1] [%clk 0:01:34] } 22... Qxd6?! { [%eval 0.7] } { Inaccuracy. f3 was best. } { [%clk 0:02:48] } 23. Nd5?? { [%eval -1.01] } { Blunder. Nxa8 was best. } { [%clk 0:01:34] } 23... f3 { [%eval -0.8] [%clk 0:02:28] } 24. gxf3 { [%eval -0.73] [%clk 0:01:10] } 24... Nh3+?! { [%eval -0.02] } { Inaccuracy. Rf7 was best. } { [%clk 0:02:25] } 25. Kh2 { [%eval -0.32] [%clk 0:01:03] } 25... Ng5 { [%eval -0.16] [%clk 0:01:35] } 26. Rad1 { [%eval -0.41] [%clk 0:00:56] } 26... Rad8 { [%eval -0.1] [%clk 0:01:24] } 27. Kg2 { [%eval -0.42] [%clk 0:00:45] } 27... Qg6?? { [%eval 6.49] } { Blunder. Rd7 was best. } { [%clk 0:01:20] } 28. Ne7+ { [%eval 6.26] [%clk 0:00:40] } 1-0