Event: Round 10: Akerlund, Fredrik - Serafim Junior, Arnor
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-10/WJ0RkIBs/kbOsU44O
Date: 2025-10-31
White: Akerlund, Fredrik
WhiteElo: 1844
Black: Serafim Junior, Arnor
BlackElo: 1799
Result: 1/2-1/2
ECO: E73
Opening: King's Indian Defense: Averbakh Variation, Flexible Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:55] } 1... Nf6 { [%eval 0.19] [%clk 1:30:47] } 2. c4 { [%eval 0.18] [%clk 1:31:01] } 2... g6 { [%eval 0.28] [%clk 1:31:06] } 3. Nc3 { [%eval 0.18] [%clk 1:31:23] } 3... Bg7 { [%eval 0.46] [%clk 1:31:30] } 4. e4 { [%eval 0.4] [%clk 1:31:40] } 4... d6 { [%eval 0.55] [%clk 1:31:54] } 5. Bg5 { [%eval 0.26] [%clk 1:31:23] } 5... O-O { [%eval 0.27] [%clk 1:31:52] } 6. Be2 { [%eval 0.18] [%clk 1:31:30] } 6... h6 { [%eval 0.41] [%clk 1:31:51] } 7. Be3 { [%eval 0.4] [%clk 1:31:09] } 7... e5 { [%eval 0.61] [%clk 1:31:38] } 8. d5 { [%eval 0.76] [%clk 1:31:01] } 8... a5 { [%eval 1.07] [%clk 1:31:41] } 9. h4 { [%eval 0.9] [%clk 1:25:03] } 9... Na6 { [%eval 0.86] [%clk 1:29:35] } 10. h5 { [%eval 0.76] [%clk 1:22:12] } 10... g5 { [%eval 0.9] [%clk 1:23:33] } 11. g4 { [%eval 0.79] [%clk 1:19:51] } 11... Nc5 { [%eval 0.99] [%clk 1:22:22] } 12. f3 { [%eval 1.03] [%clk 1:20:07] } 12... Ne8 { [%eval 1.3] [%clk 1:17:44] } 13. Nh3 { [%eval 1.25] [%clk 1:19:44] } 13... Bf6 { [%eval 1.33] [%clk 1:15:39] } 14. Nf2 { [%eval 1.35] [%clk 1:19:30] } 14... Bd7 { [%eval 1.26] [%clk 1:06:37] } 15. O-O { [%eval 1.36] [%clk 1:18:38] } 15... c6 { [%eval 1.36] [%clk 1:03:00] } 16. Qd2 { [%eval 1.41] [%clk 1:14:09] } 16... Be7 { [%eval 1.55] [%clk 0:57:15] } 17. Rfd1 { [%eval 1.45] [%clk 1:01:09] } 17... a4 { [%eval 1.43] [%clk 0:52:42] } 18. Nd3?! { [%eval 0.61] } { Inaccuracy. Rab1 was best. } { [%clk 0:44:47] } 18... Nxd3 { [%eval 0.69] [%clk 0:46:45] } 19. Bxd3 { [%eval 0.65] [%clk 0:44:49] } 19... c5 { [%eval 0.48] [%clk 0:45:11] } 20. Qc2 { [%eval 0.38] [%clk 0:40:44] } 20... Nc7 { [%eval 0.41] [%clk 0:38:28] } 21. a3 { [%eval 0.29] [%clk 0:32:17] } 21... Qe8 { [%eval 0.54] [%clk 0:33:49] } 22. Qe2 { [%eval 0.16] [%clk 0:28:10] } 22... Ra5 { [%eval 0.33] [%clk 0:32:32] } 23. Bd2 { [%eval 0.36] [%clk 0:26:11] } 23... Ra7 { [%eval 0.26] [%clk 0:31:27] } 24. Rdb1 { [%eval 0.42] [%clk 0:25:37] } 24... Qa8 { [%eval 0.4] [%clk 0:27:23] } 25. b4 { [%eval 0.32] [%clk 0:22:59] } 25... axb3 { [%eval 0.21] [%clk 0:20:29] } 26. Rxb3 { [%eval 0.37] [%clk 0:23:18] } 26... Na6 { [%eval 0.39] [%clk 0:09:59] } 27. Rab1 { [%eval 0.21] [%clk 0:20:07] } 27... Nc7 { [%eval 0.33] [%clk 0:10:01] } 28. Bc1 { [%eval 0.08] [%clk 0:19:57] } 28... Rb8 { [%eval 0.06] [%clk 0:09:01] } 29. Qb2 { [%eval 0.15] [%clk 0:11:21] } 29... Be8 { [%eval 0.65] [%clk 0:09:15] } 30. Rb6?! { [%eval 0.05] } { Inaccuracy. f4 was best. } { [%clk 0:10:19] } 30... Bd7 { [%eval 0.28] [%clk 0:08:23] } 31. Bc2 { [%eval 0.28] [%clk 0:09:33] } 31... Kf8 { [%eval 0.68] [%clk 0:06:16] } 32. Kg2 { [%eval 0.22] [%clk 0:03:27] } 32... Ke8?! { [%eval 1.19] } { Inaccuracy. Ne8 was best. } { [%clk 0:05:58] } 33. Ra1?! { [%eval 0.36] } { Inaccuracy. f4 was best. } { [%clk 0:02:14] } 33... Na6?? { [%eval 2.21] } { Blunder. Kf8 was best. } { [%clk 0:04:56] } 34. Rb1 { [%eval 1.65] [%clk 0:02:04] } 34... Nc7 { [%eval 1.21] [%clk 0:05:12] } 35. Rb3?! { [%eval 0.37] } { Inaccuracy. f4 was best. } { [%clk 0:01:35] } 35... Bd8 { [%eval 0.89] [%clk 0:04:53] } 36. Be3 { [%eval 0.37] [%clk 0:01:29] } 36... Be7 { [%eval 0.8] [%clk 0:03:45] } 37. Ra1 { [%eval 0.55] [%clk 0:01:03] } 37... Na6?? { [%eval 2.84] } { Blunder. Kf8 was best. } { [%clk 0:04:02] } 38. Rb1?? { [%eval 0.73] } { Blunder. Nb5 was best. } { [%clk 0:01:08] } 38... Nc7 { [%eval 0.85] [%clk 0:04:26] } 39. Bc1 { [%eval 0.42] [%clk 0:01:13] } 39... Bf8 { [%eval 0.91] [%clk 0:04:14] } 40. Rb6?! { [%eval 0.0] } { Inaccuracy. Nd1 was best. } { [%clk 0:01:05] } 40... Kd8?! { [%eval 0.8] } { Inaccuracy. Be7 was best. } { [%clk 0:03:56] } 41. Nd1 { [%eval 0.29] [%clk 0:18:49] } 41... Ne8 { [%eval 0.39] [%clk 0:30:09] } 42. Nf2 { [%eval 0.25] [%clk 0:17:57] } 42... Kc7 { [%eval 0.29] [%clk 0:28:33] } 43. Nd3 { [%eval 0.23] [%clk 0:17:42] } 43... Ra6 { [%eval 0.55] [%clk 0:27:28] } 44. Rb3 { [%eval 0.1] [%clk 0:12:51] } 44... Qa7 { [%eval 0.24] [%clk 0:26:08] } 45. Be3 { [%eval 0.23] [%clk 0:11:05] } 45... Ba4 { [%eval 0.3] [%clk 0:24:03] } 46. Rc3 { [%eval 0.05] [%clk 0:10:29] } 46... Bxc2 { [%eval 0.06] [%clk 0:23:40] } 47. Qxc2 { [%eval 0.08] [%clk 0:09:51] } 47... Rxa3 { [%eval 0.0] [%clk 0:23:54] } 48. Rxa3 { [%eval 0.06] [%clk 0:08:02] } 48... Qxa3 { [%eval 0.01] [%clk 0:24:21] } 49. Rb3 { [%eval 0.0] [%clk 0:07:58] } 49... Qa7 { [%eval 0.0] [%clk 0:23:07] } 50. Qb2 { [%eval 0.0] [%clk 0:06:26] } 50... Qa6 { [%eval 0.01] [%clk 0:21:03] } 51. Rb5 { [%eval 0.0] [%clk 0:06:36] } 51... b6 { [%eval 0.0] [%clk 0:17:33] } 52. Nc1 { [%eval 0.0] [%clk 0:04:04] } 52... Kd7 { [%eval 0.0] [%clk 0:17:32] } 53. Rb3 { [%eval -0.23] [%clk 0:03:54] } 53... Nc7 { [%eval -0.35] [%clk 0:16:49] } 54. Qc2 { [%eval -0.4] [%clk 0:02:19] } 54... b5 { [%eval -0.39] [%clk 0:16:11] } 55. cxb5 { [%eval -0.48] [%clk 0:02:38] } 55... Rxb5 { [%eval -0.31] [%clk 0:16:13] } 56. Rxb5 { [%eval -0.63] [%clk 0:02:44] } 56... Qxb5 { [%eval -0.14] [%clk 0:15:54] } 57. Qd2 { [%eval -0.58] [%clk 0:02:21] } 57... Be7 { [%eval -0.3] [%clk 0:15:50] } 58. Ne2 { [%eval -0.12] [%clk 0:02:46] } 58... Qb4 { [%eval 0.0] [%clk 0:15:26] } 59. Qc1 { [%eval -0.22] [%clk 0:02:37] } 59... Nb5 { [%eval -0.28] [%clk 0:15:10] } 60. Ng3 { [%eval -0.38] [%clk 0:02:10] } 60... f6 { [%eval 0.0] [%clk 0:14:52] } 61. Nf5 { [%eval 0.0] [%clk 0:02:14] } 61... Bf8 { [%eval 0.0] [%clk 0:15:20] } 62. Qa1 { [%eval -0.1] [%clk 0:01:50] } 62... Qa3 { [%eval -0.05] [%clk 0:14:18] } 63. Qb1 { [%eval -0.13] [%clk 0:02:09] } 63... Qb4 { [%eval 0.0] [%clk 0:12:46] } 64. Qa2 { [%eval 0.0] [%clk 0:02:05] } 64... Qa3 { [%eval 0.0] [%clk 0:13:00] } 65. Qb1 { [%eval -0.15] [%clk 0:02:21] } 1/2-1/2