Event: Round 5: Beltran Serna, Ian Samuel - Delgado Caballero, Nigel Alejandro
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-blitz-2025--juvenil-masculino/round-5/pRVyNnzy/J3eMpwUz
Date: 2025-10-28
White: Beltran Serna, Ian Samuel
WhiteElo: 1890
Black: Delgado Caballero, Nigel Alejandro
BlackElo: 1867
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Lipnitsky Attack
Variant: Standard
TimeControl: 4+2

1. e4 { [%eval 0.18] [%clk 0:04:04] } 1... c5 { [%eval 0.24] [%clk 0:04:03] } 2. Nf3 { [%eval 0.2] [%clk 0:04:05] } 2... d6 { [%eval 0.31] [%clk 0:04:05] } 3. d4 { [%eval 0.22] [%clk 0:04:06] } 3... cxd4 { [%eval 0.19] [%clk 0:04:06] } 4. Nxd4 { [%eval 0.18] [%clk 0:04:07] } 4... Nf6 { [%eval 0.31] [%clk 0:04:07] } 5. Nc3 { [%eval 0.32] [%clk 0:04:09] } 5... a6 { [%eval 0.25] [%clk 0:04:08] } 6. Bc4 { [%eval 0.03] [%clk 0:04:10] } 6... e6 { [%eval 0.06] [%clk 0:04:09] } 7. Be3 { [%eval 0.0] [%clk 0:04:09] } 7... Be7 { [%eval 0.15] [%clk 0:04:10] } 8. Qe2 { [%eval 0.01] [%clk 0:04:10] } 8... O-O { [%eval 0.14] [%clk 0:04:10] } 9. O-O-O?! { [%eval -0.63] } { Inaccuracy. a3 was best. } { [%clk 0:04:11] } 9... Nbd7? { [%eval 0.93] } { Mistake. b5 was best. } { [%clk 0:04:07] } 10. g4 { [%eval 0.9] [%clk 0:04:11] } 10... b5?! { [%eval 1.79] } { Inaccuracy. Ne5 was best. } { [%clk 0:03:47] } 11. Bxe6? { [%eval 0.25] } { Mistake. Nc6 was best. } { [%clk 0:04:12] } 11... Ne5?? { [%eval 2.24] } { Blunder. fxe6 was best. } { [%clk 0:03:01] } 12. Bxc8 { [%eval 1.96] [%clk 0:04:09] } 12... Rxc8 { [%eval 1.55] [%clk 0:03:02] } 13. g5 { [%eval 1.71] [%clk 0:04:00] } 13... Nfd7? { [%eval 3.29] } { Mistake. Nfg4 was best. } { [%clk 0:02:59] } 14. f4 { [%eval 2.7] [%clk 0:04:00] } 14... Nc4?! { [%eval 3.44] } { Inaccuracy. Rxc3 was best. } { [%clk 0:03:00] } 15. Nf5 { [%eval 3.62] [%clk 0:03:49] } 15... Re8 { [%eval 3.52] [%clk 0:02:20] } 16. Bd4 { [%eval 3.54] [%clk 0:03:00] } 16... Bf8 { [%eval 3.51] [%clk 0:02:18] } 17. Rhg1 { [%eval 3.32] [%clk 0:03:00] } 17... d5?? { [%eval 7.19] } { Blunder. g6 was best. } { [%clk 0:02:06] } 18. Nh6+ { [%eval 7.11] [%clk 0:02:54] } 18... gxh6 { [%eval 10.22] [%clk 0:01:34] } 19. gxh6+ { [%eval 10.01] [%clk 0:02:55] } 19... Bg7 { [%eval 9.34] [%clk 0:01:35] } 20. Rxg7+ { [%eval 10.23] [%clk 0:02:31] } 20... Kf8 { [%eval 9.95] [%clk 0:01:34] } 21. Nxd5 { [%eval 9.7] [%clk 0:02:08] } 21... Nc5? { [%eval #4] } { Checkmate is now unavoidable. Re6 was best. } { [%clk 0:01:11] } 22. Rg8+ { [%eval #3] [%clk 0:01:59] } 1-0