Event: Round 1: Alvarado, Carlos - Zeller, Frank
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-1/eOeXvkzD/pmA4pCUK
Date: 2025-10-21
White: Alvarado, Carlos
WhiteTitle: CM
WhiteElo: 1985
Black: Zeller, Frank
BlackTitle: IM
BlackElo: 2312
Result: 0-1
ECO: A04
Opening: Zukertort Opening: Sicilian Invitation
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:30:48] } 1... c5 { [%eval 0.25] [%clk 1:30:34] } 2. e3 { [%eval 0.0] [%clk 1:30:44] } 2... g6 { [%eval 0.26] [%clk 1:29:35] } 3. d4 { [%eval 0.26] [%clk 1:29:10] } 3... Bg7 { [%eval 0.36] [%clk 1:29:39] } 4. c3 { [%eval 0.17] [%clk 1:25:25] } 4... Nf6 { [%eval 0.2] [%clk 1:29:08] } 5. Nbd2 { [%eval 0.0] [%clk 1:24:37] } 5... b6 { [%eval 0.0] [%clk 1:28:43] } 6. Qb3 { [%eval -0.4] [%clk 1:22:23] } 6... O-O { [%eval -0.57] [%clk 1:26:58] } 7. Be2 { [%eval -0.54] [%clk 1:22:33] } 7... Qc7 { [%eval -0.22] [%clk 1:22:10] } 8. O-O { [%eval -0.58] [%clk 1:22:17] } 8... Bb7 { [%eval -0.38] [%clk 1:22:34] } 9. a4 { [%eval -0.4] [%clk 1:20:31] } 9... Nc6 { [%eval -0.36] [%clk 1:19:03] } 10. Qa3 { [%eval -0.46] [%clk 1:16:40] } 10... d6 { [%eval -0.02] [%clk 1:14:48] } 11. Re1 { [%eval -0.56] [%clk 0:46:26] } 11... Rac8 { [%eval -0.41] [%clk 1:13:32] } 12. Bf1 { [%eval -0.37] [%clk 0:41:52] } 12... Qb8 { [%eval -0.19] [%clk 1:12:05] } 13. Qa2 { [%eval -0.38] [%clk 0:38:08] } 13... d5 { [%eval -0.36] [%clk 1:09:08] } 14. Bb5 { [%eval -0.68] [%clk 0:23:57] } 14... e6 { [%eval -0.44] [%clk 1:05:37] } 15. Qa3 { [%eval -0.84] [%clk 0:17:41] } 15... a6 { [%eval -0.58] [%clk 1:03:50] } 16. Bf1?! { [%eval -1.26] } { Inaccuracy. Bxc6 was best. } { [%clk 0:17:46] } 16... Rfd8 { [%eval -0.9] [%clk 0:58:07] } 17. Qb3 { [%eval -1.12] [%clk 0:16:05] } 17... Qc7 { [%eval -0.98] [%clk 0:54:11] } 18. g3 { [%eval -1.36] [%clk 0:11:10] } 18... Rb8 { [%eval -1.07] [%clk 0:48:09] } 19. Qa2 { [%eval -1.26] [%clk 0:07:46] } 19... e5 { [%eval -1.17] [%clk 0:48:14] } 20. a5 { [%eval -1.06] [%clk 0:07:33] } 20... exd4 { [%eval -0.56] [%clk 0:42:57] } 21. axb6 { [%eval -0.55] [%clk 0:07:51] } 21... Qxb6 { [%eval -0.6] [%clk 0:43:14] } 22. exd4 { [%eval -0.56] [%clk 0:07:58] } 22... cxd4 { [%eval -0.57] [%clk 0:42:17] } 23. Nxd4 { [%eval -0.64] [%clk 0:07:39] } 23... Nxd4 { [%eval -0.58] [%clk 0:42:00] } 24. cxd4 { [%eval -0.58] [%clk 0:08:02] } 24... Qxd4 { [%eval -0.69] [%clk 0:39:06] } 25. Nf3 { [%eval -0.66] [%clk 0:08:13] } 25... Qg4 { [%eval -0.79] [%clk 0:37:11] } 26. Ne5?! { [%eval -1.53] } { Inaccuracy. Bg2 was best. } { [%clk 0:08:22] } 26... Qf5 { [%eval -1.53] [%clk 0:37:25] } 27. Bg2?! { [%eval -2.35] } { Inaccuracy. Bf4 was best. } { [%clk 0:07:03] } 27... Ne4?! { [%eval -1.35] } { Inaccuracy. Re8 was best. } { [%clk 0:33:09] } 28. Nf3?! { [%eval -2.31] } { Inaccuracy. Nd3 was best. } { [%clk 0:04:38] } 28... Rbc8 { [%eval -1.85] [%clk 0:25:55] } 29. Qb3 { [%eval -1.86] [%clk 0:04:12] } 29... Nc5?! { [%eval -0.99] } { Inaccuracy. Bc6 was best. } { [%clk 0:24:05] } 30. Qb6 { [%eval -1.07] [%clk 0:04:13] } 30... Rd7?! { [%eval -0.46] } { Inaccuracy. d4 was best. } { [%clk 0:12:24] } 31. Rf1?? { [%eval -2.24] } { Blunder. Be3 was best. } { [%clk 0:00:35] } 31... h6 { [%eval -1.83] [%clk 0:10:45] } 32. Nh4?! { [%eval -2.56] } { Inaccuracy. Bd2 was best. } { [%clk 0:00:41] } 32... Qg4 { [%eval -2.32] [%clk 0:04:15] } 33. Ra3 { [%eval -2.98] [%clk 0:00:35] } 33... d4 { [%eval -2.79] [%clk 0:01:29] } 34. h3 { [%eval -3.51] [%clk 0:00:42] } 34... Qe2 { [%eval -3.61] [%clk 0:01:22] } 35. b4 { [%eval -3.5] [%clk 0:01:10] } 35... Bxg2 { [%eval -3.34] [%clk 0:01:41] } 36. Nxg2 { [%eval -3.26] [%clk 0:01:19] } 36... Ne6? { [%eval -1.66] } { Mistake. Rb7 was best. } { [%clk 0:01:54] } 37. Re1?? { [%eval -4.2] } { Blunder. Qxa6 was best. } { [%clk 0:01:08] } 37... Rxc1?? { [%eval -0.35] } { Blunder. Qxe1+ was best. } { [%clk 0:00:55] } 38. Rxc1 { [%eval -0.55] [%clk 0:01:25] } 38... d3 { [%eval -0.59] [%clk 0:01:24] } 39. Ne3?? { [%eval -5.66] } { Blunder. Qxa6 was best. } { [%clk 0:00:34] } 39... Bd4 { [%eval -5.46] [%clk 0:00:59] } 40. Qxa6 { [%eval -6.09] [%clk 0:00:33] } 40... Bxe3 { [%eval -6.07] [%clk 0:00:49] } 41. Rf1 { [%eval -5.76] [%clk 0:00:39] } 41... Bd4 { [%eval -4.92] [%clk 0:22:57] } 42. Ra2 { [%eval -4.68] [%clk 0:23:20] } 42... Qe5 { [%eval -4.91] [%clk 0:19:10] } 43. Kh2 { [%eval -4.78] [%clk 0:22:51] } 43... Bc3 { [%eval -4.66] [%clk 0:17:49] } 44. b5?! { [%eval -5.9] } { Inaccuracy. Qc6 was best. } { [%clk 0:19:06] } 44... d2 { [%eval -5.85] [%clk 0:18:14] } 45. Qa8+ { [%eval -6.03] [%clk 0:08:41] } 45... Kh7 { [%eval -5.78] [%clk 0:13:27] } 46. Qe8 { [%eval -6.21] [%clk 0:08:15] } 46... Qd5 { [%eval -5.47] [%clk 0:09:58] } 47. Ra8 { [%eval -6.1] [%clk 0:06:04] } 47... h5 { [%eval -5.64] [%clk 0:10:17] } 48. Rd1?! { [%eval -8.3] } { Inaccuracy. Qg8+ was best. } { [%clk 0:04:08] } 48... Ng5 { [%eval -8.67] [%clk 0:06:51] } 49. h4? { [%eval #-10] } { Checkmate is now unavoidable. Qg8+ was best. } { [%clk 0:02:19] } 49... Nf3+ { [%eval #-9] [%clk 0:06:56] } 50. Kh3 { [%eval #-9] [%clk 0:02:37] } 50... Ne1 { [%eval #-8] [%clk 0:05:37] } 51. f3 { [%eval #-8] [%clk 0:01:47] } 51... Qxf3 { [%eval #-7] [%clk 0:05:32] } 0-1