Event: Round 4: Velazquez Colin, Styven Ubaldo - Paez Ovalles, Angel Ernesto
Site: https://lichess.org/broadcast/campeonatos-nacionales-universitarios-mexico-2025--rapido-varonil/round-4/70IQgTk0/UiRAypSO
Date: 2025-10-29
White: Velazquez Colin, Styven Ubaldo
WhiteElo: 1545
Black: Paez Ovalles, Angel Ernesto
BlackElo: 1818
Result: 0-1
ECO: E12
Opening: Queen's Indian Defense: Kasparov Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 0:10:07] } 1... Nf6 { [%eval 0.19] [%clk 0:10:08] } 2. c4 { [%eval 0.18] [%clk 0:10:12] } 2... e6 { [%eval 0.14] [%clk 0:10:12] } 3. Nc3 { [%eval 0.09] [%clk 0:10:16] } 3... b6?! { [%eval 0.98] } { Inaccuracy. Bb4 was best. } { [%clk 0:10:17] } 4. Nf3?! { [%eval 0.15] } { Inaccuracy. e4 was best. } { [%clk 0:10:19] } 4... Bb7 { [%eval 0.16] [%clk 0:10:21] } 5. e3 { [%eval 0.02] [%clk 0:10:23] } 5... Be7 { [%eval 0.13] [%clk 0:10:25] } 6. Be2 { [%eval 0.0] [%clk 0:10:27] } 6... Na6 { [%eval 0.51] [%clk 0:10:26] } 7. O-O { [%eval 0.4] [%clk 0:10:28] } 7... O-O { [%eval 0.37] [%clk 0:10:28] } 8. a3 { [%eval 0.34] [%clk 0:10:09] } 8... d5 { [%eval 0.32] [%clk 0:10:30] } 9. cxd5 { [%eval 0.29] [%clk 0:10:12] } 9... Nxd5 { [%eval 0.34] [%clk 0:10:31] } 10. Nxd5 { [%eval 0.37] [%clk 0:10:15] } 10... Qxd5 { [%eval 0.56] [%clk 0:10:34] } 11. b4 { [%eval 0.42] [%clk 0:10:08] } 11... Rfd8 { [%eval 0.83] [%clk 0:10:09] } 12. Bb2 { [%eval 0.92] [%clk 0:10:12] } 12... Nb8 { [%eval 0.88] [%clk 0:09:54] } 13. Rc1 { [%eval 0.98] [%clk 0:10:16] } 13... Bd6 { [%eval 0.98] [%clk 0:09:29] } 14. Bc4?! { [%eval 0.14] } { Inaccuracy. Bd3 was best. } { [%clk 0:10:19] } 14... Qh5 { [%eval 0.13] [%clk 0:09:33] } 15. Ne5 { [%eval 0.12] [%clk 0:10:02] } 15... Qg5 { [%eval 0.16] [%clk 0:09:13] } 16. Qg4 { [%eval -0.05] [%clk 0:09:54] } 16... Qh6?! { [%eval 0.77] } { Inaccuracy. Qxg4 was best. } { [%clk 0:08:21] } 17. f4 { [%eval 0.63] [%clk 0:08:49] } 17... Nd7 { [%eval 0.65] [%clk 0:08:22] } 18. Nxd7 { [%eval 0.72] [%clk 0:08:01] } 18... Rxd7 { [%eval 0.73] [%clk 0:08:21] } 19. Bb5 { [%eval 0.28] [%clk 0:07:48] } 19... Rdd8 { [%eval 0.33] [%clk 0:07:53] } 20. Bc6 { [%eval 0.29] [%clk 0:07:51] } 20... Bxc6 { [%eval 0.25] [%clk 0:07:41] } 21. Rxc6 { [%eval 0.37] [%clk 0:07:55] } 21... a5 { [%eval 0.63] [%clk 0:07:45] } 22. bxa5?! { [%eval -0.14] } { Inaccuracy. b5 was best. } { [%clk 0:07:27] } 22... Rxa5 { [%eval -0.27] [%clk 0:07:48] } 23. Rf3 { [%eval -0.71] [%clk 0:07:23] } 23... Qg6 { [%eval -0.19] [%clk 0:07:38] } 24. Qxg6 { [%eval -0.03] [%clk 0:07:22] } 24... hxg6 { [%eval -0.06] [%clk 0:07:38] } 25. Bc1 { [%eval -0.53] [%clk 0:07:03] } 25... Rda8 { [%eval 0.0] [%clk 0:07:29] } 26. e4 { [%eval 0.0] [%clk 0:06:50] } 26... R8a7 { [%eval 0.0] [%clk 0:07:33] } 27. Rfc3 { [%eval -0.06] [%clk 0:06:44] } 27... f6 { [%eval 0.0] [%clk 0:07:24] } 28. e5 { [%eval -0.03] [%clk 0:06:46] } 28... fxe5 { [%eval 0.0] [%clk 0:07:22] } 29. dxe5 { [%eval 0.05] [%clk 0:06:49] } 29... Bc5+ { [%eval 0.02] [%clk 0:07:15] } 30. Kf1 { [%eval 0.02] [%clk 0:06:42] } 30... Kf7 { [%eval 0.0] [%clk 0:07:16] } 31. Be3?? { [%eval -1.87] } { Blunder. Rd3 was best. } { [%clk 0:06:36] } 31... Bxe3?? { [%eval 0.0] } { Blunder. Rxa3 was best. } { [%clk 0:07:08] } 32. Rxe3 { [%eval 0.0] [%clk 0:06:40] } 32... Ke7 { [%eval 0.4] [%clk 0:07:09] } 33. Rec3 { [%eval 0.04] [%clk 0:06:43] } 33... Kd7 { [%eval 0.0] [%clk 0:07:12] } 34. R6c4 { [%eval -0.06] [%clk 0:06:28] } 34... Rxa3 { [%eval -0.09] [%clk 0:07:13] } 35. g3?? { [%eval -4.29] } { Blunder. Rxc7+ was best. } { [%clk 0:06:05] } 35... Rxc3 { [%eval -4.18] [%clk 0:07:01] } 36. Rxc3 { [%eval -3.98] [%clk 0:06:09] } 36... Ra2 { [%eval -4.38] [%clk 0:06:54] } 37. h4 { [%eval -4.55] [%clk 0:05:58] } 37... b5 { [%eval -4.36] [%clk 0:06:58] } 38. Ke1 { [%eval -4.9] [%clk 0:05:55] } 38... b4 { [%eval -4.75] [%clk 0:07:01] } 39. Rb3 { [%eval -5.73] [%clk 0:06:00] } 39... c5 { [%eval -5.71] [%clk 0:07:05] } 40. Kd1 { [%eval -6.01] [%clk 0:06:02] } 40... Kc6 { [%eval -5.68] [%clk 0:06:58] } 41. Rd3 { [%eval -6.53] [%clk 0:06:01] } 41... Ra6 { [%eval -5.23] [%clk 0:06:19] } 42. Rd6+ { [%eval -6.25] [%clk 0:06:03] } 42... Kb5 { [%eval -5.91] [%clk 0:06:23] } 43. Rd7 { [%eval -6.66] [%clk 0:06:05] } 43... b3 { [%eval -6.17] [%clk 0:06:05] } 44. Kc1 { [%eval -6.53] [%clk 0:05:54] } 44... c4 { [%eval -6.34] [%clk 0:06:06] } 45. Kb2 { [%eval -8.0] [%clk 0:05:49] } 45... Ra2+ { [%eval -7.53] [%clk 0:06:10] } 46. Kc3? { [%eval #-9] } { Checkmate is now unavoidable. Kc1 was best. } { [%clk 0:05:53] } 46... Rc2+ { [%eval #-8] [%clk 0:06:02] } 47. Kd4 { [%eval #-8] [%clk 0:05:51] } 47... Rd2+ { [%eval #-7] [%clk 0:06:18] } 48. Kc3 { [%eval #-7] [%clk 0:05:55] } 48... Rxd7 { [%eval #-6] [%clk 0:06:22] } 0-1