Event: Round 8: Olivier, Pierre - Alvarado, Carlos
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-8/Nz1W1BU4/yvrM7ee7
Date: 2025-10-29
White: Olivier, Pierre
WhiteElo: 2149
Black: Alvarado, Carlos
BlackTitle: CM
BlackElo: 1985
Result: 0-1
ECO: D38
Opening: Queen's Gambit Declined: Ragozin Defense
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:30:56] } 1... Nf6 { [%eval 0.18] [%clk 1:30:51] } 2. c4 { [%eval 0.12] [%clk 1:31:03] } 2... e6 { [%eval 0.21] [%clk 1:31:14] } 3. Nc3 { [%eval 0.2] [%clk 1:31:12] } 3... d5 { [%eval 0.14] [%clk 1:31:29] } 4. d4 { [%eval 0.08] [%clk 1:31:34] } 4... Bb4 { [%eval 0.16] [%clk 1:31:39] } 5. cxd5 { [%eval 0.12] [%clk 1:31:01] } 5... exd5 { [%eval 0.24] [%clk 1:31:26] } 6. Bg5 { [%eval 0.0] [%clk 1:30:41] } 6... Nbd7 { [%eval 0.25] [%clk 1:31:09] } 7. Qc2 { [%eval 0.13] [%clk 1:27:58] } 7... h6 { [%eval 0.13] [%clk 1:30:00] } 8. Bh4 { [%eval 0.3] [%clk 1:24:56] } 8... c5 { [%eval 0.42] [%clk 1:29:19] } 9. dxc5?! { [%eval -0.22] } { Inaccuracy. e3 was best. } { [%clk 1:17:43] } 9... Qa5 { [%eval -0.25] [%clk 1:29:04] } 10. Nd2?! { [%eval -1.31] } { Inaccuracy. Bxf6 was best. } { [%clk 1:03:32] } 10... O-O? { [%eval 0.09] } { Mistake. d4 was best. } { [%clk 1:22:30] } 11. Nb3 { [%eval 0.0] [%clk 0:59:01] } 11... Qa4 { [%eval -0.02] [%clk 1:22:20] } 12. Bxf6 { [%eval 0.01] [%clk 0:57:52] } 12... Nxf6 { [%eval 0.02] [%clk 1:21:36] } 13. e3 { [%eval -0.01] [%clk 0:53:46] } 13... Ne4 { [%eval 0.0] [%clk 1:16:55] } 14. Bd3 { [%eval 0.05] [%clk 0:53:38] } 14... b6? { [%eval 1.59] } { Mistake. Bxc3+ was best. } { [%clk 1:14:35] } 15. cxb6? { [%eval 0.16] } { Mistake. Bxe4 was best. } { [%clk 0:51:39] } 15... Bxc3+ { [%eval 0.15] [%clk 1:13:44] } 16. bxc3 { [%eval 0.1] [%clk 0:51:50] } 16... axb6 { [%eval 0.14] [%clk 1:13:55] } 17. O-O { [%eval 0.09] [%clk 0:45:54] } 17... Ba6 { [%eval 0.07] [%clk 1:13:46] } 18. Bxe4 { [%eval 0.0] [%clk 0:35:57] } 18... dxe4 { [%eval 0.17] [%clk 1:13:24] } 19. Rfc1 { [%eval 0.0] [%clk 0:35:36] } 19... Bd3 { [%eval 0.14] [%clk 1:06:54] } 20. Qd1 { [%eval 0.13] [%clk 0:35:13] } 20... Rfd8 { [%eval 0.18] [%clk 1:03:50] } 21. Qg4 { [%eval 0.0] [%clk 0:35:03] } 21... Qd7 { [%eval 0.08] [%clk 0:57:31] } 22. Qg3 { [%eval -0.25] [%clk 0:34:32] } 22... Ra3 { [%eval 0.0] [%clk 0:57:29] } 23. Nd4 { [%eval -0.16] [%clk 0:31:58] } 23... Rda8 { [%eval 0.07] [%clk 0:57:18] } 24. Qf4 { [%eval -0.16] [%clk 0:31:00] } 24... Kh7 { [%eval 0.17] [%clk 0:47:35] } 25. Nf5 { [%eval -0.34] [%clk 0:29:02] } 25... Qe6 { [%eval -0.05] [%clk 0:37:01] } 26. g4 { [%eval -0.23] [%clk 0:28:33] } 26... Rxa2 { [%eval 0.03] [%clk 0:30:30] } 27. Rxa2 { [%eval 0.02] [%clk 0:28:52] } 27... Rxa2 { [%eval 0.0] [%clk 0:30:18] } 28. h3 { [%eval 0.0] [%clk 0:28:45] } 28... Qf6 { [%eval 0.13] [%clk 0:27:26] } 29. Ng3 { [%eval 0.0] [%clk 0:22:23] } 29... Qxf4 { [%eval 0.0] [%clk 0:27:40] } 30. exf4 { [%eval 0.05] [%clk 0:22:52] } 30... g6 { [%eval 0.07] [%clk 0:27:53] } 31. h4 { [%eval 0.02] [%clk 0:21:45] } 31... Ra4 { [%eval 0.0] [%clk 0:28:05] } 32. h5 { [%eval -0.04] [%clk 0:21:33] } 32... b5 { [%eval -0.02] [%clk 0:28:21] } 33. hxg6+ { [%eval 0.0] [%clk 0:21:35] } 33... fxg6 { [%eval 0.02] [%clk 0:28:44] } 34. f5 { [%eval 0.0] [%clk 0:17:06] } 34... Kg7 { [%eval 0.0] [%clk 0:27:30] } 35. Kg2 { [%eval 0.0] [%clk 0:10:42] } 35... Ra2 { [%eval 0.0] [%clk 0:21:31] } 36. Kg1 { [%eval 0.0] [%clk 0:11:00] } 36... Kf6 { [%eval 0.0] [%clk 0:21:36] } 37. fxg6 { [%eval 0.0] [%clk 0:09:15] } 37... Kxg6 { [%eval 0.0] [%clk 0:21:50] } 38. Re1 { [%eval -0.14] [%clk 0:05:02] } 38... Ra4 { [%eval 0.0] [%clk 0:21:10] } 39. Kg2 { [%eval 0.0] [%clk 0:04:55] } 39... Kg5 { [%eval -0.17] [%clk 0:21:16] } 40. Rh1 { [%eval -0.2] [%clk 0:04:05] } 40... Ra2 { [%eval -0.25] [%clk 0:21:03] } 41. Re1 { [%eval -0.17] [%clk 0:21:57] } 41... Kf4 { [%eval -0.26] [%clk 0:50:31] } 42. Nf1 { [%eval -0.3] [%clk 0:19:18] } 42... Kxg4 { [%eval -0.41] [%clk 0:48:25] } 43. Ne3+ { [%eval -0.58] [%clk 0:19:40] } 43... Kg5 { [%eval -0.23] [%clk 0:46:10] } 44. Kg3 { [%eval -0.41] [%clk 0:18:29] } 44... h5 { [%eval -0.21] [%clk 0:46:06] } 45. Kg2?? { [%eval -3.06] } { Blunder. f4+ was best. } { [%clk 0:17:27] } 45... Ra8 { [%eval -2.86] [%clk 0:45:31] } 46. Nd5 { [%eval -3.58] [%clk 0:08:44] } 46... Rd8 { [%eval -3.27] [%clk 0:45:12] } 47. Ne3 { [%eval -3.97] [%clk 0:08:57] } 47... Kf4 { [%eval -4.04] [%clk 0:45:22] } 48. Ra1 { [%eval -4.19] [%clk 0:09:21] } 48... Rg8+ { [%eval -4.37] [%clk 0:45:45] } 49. Kh2 { [%eval -4.45] [%clk 0:09:38] } 49... Kf3 { [%eval -4.25] [%clk 0:46:04] } 50. Ra2 { [%eval -4.3] [%clk 0:08:42] } 50... Rc8 { [%eval -4.17] [%clk 0:42:49] } 51. Nf5 { [%eval -4.17] [%clk 0:05:27] } 51... Rxc3 { [%eval -4.19] [%clk 0:40:13] } 52. Nd4+ { [%eval -4.09] [%clk 0:05:49] } 52... Kg4 { [%eval -4.1] [%clk 0:39:32] } 53. Ra6 { [%eval -4.07] [%clk 0:04:02] } 53... Rc5 { [%eval -3.71] [%clk 0:37:49] } 54. Ne6? { [%eval -6.71] } { Mistake. Rd6 was best. } { [%clk 0:03:23] } 54... Rf5 { [%eval -6.49] [%clk 0:37:48] } 55. Kg2 { [%eval -6.42] [%clk 0:01:59] } 55... Rf6 { [%eval -6.42] [%clk 0:38:05] } 0-1