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Rohan Lee vs Boyer-Olson, Jack

2026.09.13 · game 1
White to move
PGN
[Event "Round 4: Rohan Lee - Boyer-Olson, Jack"]
[Site "https://lichess.org/broadcast/2026-marshall-premier-fide-september/round-4/c4ow9wHl/fD4bfIwa"]
[Date "2026.09.13"]
[Round "4.8"]
[White "Rohan Lee"]
[Black "Boyer-Olson, Jack"]
[Result "0-1"]
[BlackElo "1884"]
[BlackFideId "39967735"]
[TimeControl "90+30"]
[Variant "Standard"]
[ECO "A05"]
[Opening "King's Indian Attack"]
[UTCDate "2026.09.13"]
[UTCTime "16:36:57"]
[BroadcastName "2026 Marshall Premier FIDE | September"]
[BroadcastURL "https://lichess.org/broadcast/2026-marshall-premier-fide-september/round-4/c4ow9wHl"]
[GameURL "https://lichess.org/broadcast/2026-marshall-premier-fide-september/round-4/c4ow9wHl/fD4bfIwa"]

1. Nf3 { [%eval 0.1] [%clk 1:30:51] } 1... d5 { [%eval 0.18] [%clk 1:30:45] } 2. g3 { [%eval 0.13] [%clk 1:31:10] } 2... Nf6 { [%eval 0.1] [%clk 1:31:01] } 3. Bg2 { [%eval 0.13] [%clk 1:31:32] } 3... Nbd7 { [%eval 0.26] [%clk 1:31:15] } 4. c4 { [%eval 0.25] [%clk 1:26:49] } 4... dxc4 { [%eval 0.49] [%clk 1:31:26] } 5. Na3 { [%eval 0.39] [%clk 1:26:26] } 5... Nb6 { [%eval 0.51] [%clk 1:29:21] } 6. Nxc4 { [%eval 0.52] [%clk 1:23:03] } 6... Nxc4 { [%eval 0.53] [%clk 1:29:30] } 7. Qa4+ { [%eval 0.53] [%clk 1:23:27] } 7... Bd7 { [%eval 0.75] [%clk 1:29:40] } 8. Qxc4 { [%eval 0.91] [%clk 1:23:49] } 8... e6 { [%eval 0.93] [%clk 1:23:18] } 9. Ne5 { [%eval 0.96] [%clk 1:20:34] } 9... Rb8 { [%eval 1.21] [%clk 1:23:17] } 10. b4?! { [%eval 0.6] } { Inaccuracy. d4 was best. } { [%clk 1:17:24] } 10... Bd6 { [%eval 0.66] [%clk 1:22:48] } 11. Bb2 { [%eval 0.49] [%clk 1:17:20] } 11... O-O { [%eval 0.51] [%clk 1:22:10] } 12. O-O { [%eval 0.52] [%clk 1:14:01] } 12... a6 { [%eval 0.73] [%clk 1:20:55] } 13. d3 { [%eval 0.44] [%clk 1:07:46] } 13... Qe7 { [%eval 0.44] [%clk 1:20:34] } 14. a3 { [%eval 0.54] [%clk 1:00:50] } 14... c5 { [%eval 0.56] [%clk 1:19:44] } 15. bxc5 { [%eval 0.58] [%clk 0:57:24] } 15... Bxc5 { [%eval 0.53] [%clk 1:19:53] } 16. Nxd7 { [%eval 0.46] [%clk 0:56:48] } 16... Nxd7 { [%eval 0.47] [%clk 1:20:04] } 17. Qg4 { [%eval 0.49] [%clk 0:52:43] } 17... f5 { [%eval 0.71] [%clk 1:12:57] } 18. Qc4 { [%eval 0.58] [%clk 0:52:22] } 18... b5 { [%eval 0.59] [%clk 1:12:47] } 19. Qa2 { [%eval 0.59] [%clk 0:49:32] } 19... Nb6 { [%eval 0.62] [%clk 1:12:07] } 20. Rfc1 { [%eval 0.66] [%clk 0:40:23] } 20... Rbc8 { [%eval 0.69] [%clk 1:10:38] } 21. Bc3 { [%eval 0.69] [%clk 0:36:29] } 21... Na4 { [%eval 0.72] [%clk 1:09:20] } 22. Bb4 { [%eval 0.84] [%clk 0:35:56] } 22... Bxb4 { [%eval 0.84] [%clk 1:08:27] } 23. axb4 { [%eval 0.93] [%clk 0:36:13] } 23... Kh8 { [%eval 1.16] [%clk 1:08:23] } 24. Qb3 { [%eval 1.02] [%clk 0:36:01] } 24... g6 { [%eval 0.92] [%clk 1:02:03] } 25. h3 { [%eval 0.94] [%clk 0:33:26] } 25... Kg7 { [%eval 0.77] [%clk 1:01:16] } 26. Rab1 { [%eval 0.65] [%clk 0:29:33] } 26... Kf7 { [%eval 0.88] [%clk 0:56:02] } 27. d4 { [%eval 0.87] [%clk 0:26:14] } 27... Kg7 { [%eval 0.9] [%clk 0:53:22] } 28. Rc2?! { [%eval 0.25] } { Inaccuracy. h4 was best. } { [%clk 0:22:25] } 28... Rxc2 { [%eval 0.32] [%clk 0:50:17] } 29. Qxc2 { [%eval 0.32] [%clk 0:22:47] } 29... Qd7 { [%eval 0.46] [%clk 0:50:21] } 30. Qc6 { [%eval -0.02] [%clk 0:19:28] } 30... Qxc6 { [%eval 0.0] [%clk 0:49:18] } 31. Bxc6 { [%eval 0.0] [%clk 0:19:55] } 31... Rc8 { [%eval 0.0] [%clk 0:48:15] } 32. Bb7 { [%eval 0.0] [%clk 0:17:19] } 32... Rc2 { [%eval 0.0] [%clk 0:48:04] } 33. e3 { [%eval 0.0] [%clk 0:16:11] } 33... Nc3 { [%eval 0.0] [%clk 0:38:41] } 34. Rb3 { [%eval 0.0] [%clk 0:09:46] } 34... Ne4 { [%eval 0.1] [%clk 0:38:02] } 35. Bxa6?! { [%eval -0.95] } { Inaccuracy. Bxe4 was best. } { [%clk 0:08:38] } 35... Nd6 { [%eval -0.99] [%clk 0:37:52] } 36. Ra3 { [%eval -0.87] [%clk 0:06:15] } 36... Rc4 { [%eval -0.72] [%clk 0:37:55] } 37. Bb7?? { [%eval -3.64] } { Blunder. Kf1 was best. } { [%clk 0:05:51] } 37... Nxb7 { [%eval -3.79] [%clk 0:38:06] } 38. Ra7 { [%eval -3.77] [%clk 0:06:04] } 38... Rc7 { [%eval -3.7] [%clk 0:38:34] } 39. Ra6 { [%eval -3.72] [%clk 0:06:28] } 39... Nd8 { [%eval -3.61] [%clk 0:37:40] } 40. Rb6 { [%eval -4.14] [%clk 0:06:38] } 40... Rb7 { [%eval -4.07] [%clk 0:38:02] } 41. Rd6 { [%eval -4.08] [%clk 0:07:00] } 41... Rb8 { [%eval -4.01] [%clk 0:38:23] } 42. g4 { [%eval -3.97] [%clk 0:06:42] } 42... Kf6 { [%eval -3.89] [%clk 0:38:07] } 43. Rd7 { [%eval -4.0] [%clk 0:06:52] } 43... h6 { [%eval -3.98] [%clk 0:38:05] } 44. Rc7 { [%eval -4.17] [%clk 0:06:54] } 44... Rb7 { [%eval -4.17] [%clk 0:37:05] } 45. Rc8 { [%eval -3.81] [%clk 0:07:11] } 45... Nf7 { [%eval -3.82] [%clk 0:37:25] } 46. f3 { [%eval -3.91] [%clk 0:07:32] } 46... Nd6 { [%eval -3.86] [%clk 0:37:16] } 47. Rd8 { [%eval -4.5] [%clk 0:07:16] } 47... Nc4 { [%eval -4.48] [%clk 0:37:28] } 48. e4 { [%eval -4.95] [%clk 0:07:25] } 48... f4 { [%eval -4.45] [%clk 0:35:45] } 49. h4 { [%eval -4.4] [%clk 0:06:36] } 49... Ra7 { [%eval -4.29] [%clk 0:34:57] } 50. Rb8 { [%eval -4.58] [%clk 0:06:20] } 50... Nd2 { [%eval -4.58] [%clk 0:34:53] } 51. Rxb5?! { [%eval -6.22] } { Inaccuracy. e5+ was best. } { [%clk 0:05:14] } 51... Nxf3+ { [%eval -5.89] [%clk 0:35:10] } 52. Kf2 { [%eval -6.0] [%clk 0:05:33] } 52... Nxd4 { [%eval -6.06] [%clk 0:35:31] } 53. g5+ { [%eval -7.48] [%clk 0:05:41] } 53... hxg5 { [%eval -6.88] [%clk 0:35:44] } 54. hxg5+ { [%eval -7.27] [%clk 0:06:05] } 54... Ke7 { [%eval -7.09] [%clk 0:35:56] } 55. Rb8 { [%eval -7.72] [%clk 0:06:16] } 55... Ra2+ { [%eval -8.22] [%clk 0:36:17] } 56. Kf1 { [%eval -8.38] [%clk 0:06:34] } 56... Nf3 { [%eval -7.69] [%clk 0:36:36] } 57. b5 { [%eval -9.47] [%clk 0:06:39] } 57... Nd2+? { [%eval -5.14] } { Mistake. Nh2+ was best. } { [%clk 0:36:30] } 58. Ke1?! { [%eval -8.43] } { Inaccuracy. Ke2 was best. } { [%clk 0:07:04] } 58... Nxe4 { [%eval -7.42] [%clk 0:36:39] } 59. b6? { [%eval #-19] } { Checkmate is now unavoidable. Rb7+ was best. } { [%clk 0:07:24] } 59... f3 { [%eval #-18] [%clk 0:36:58] } 0-1
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