Event: Round 4: Chen, Justin - Barbosa, Oliver
Site: https://lichess.org/broadcast/2025-marshall-chess-club-gmim-labor-day-invitational--gm/round-4/VcITVxlb/2CtsgZoK
White: Chen, Justin
WhiteTitle: FM
WhiteElo: 2371
Black: Barbosa, Oliver
BlackTitle: GM
BlackElo: 2408
Result: 1-0
ECO: D45
Opening: Semi-Slav Defense: Normal Variation
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] [%clk 1:30:56] } 1... c6 { [%eval 0.23] [%clk 1:30:12] } 2. Nf3 { [%eval 0.21] [%clk 1:31:18] } 2... d5 { [%eval 0.32] [%clk 1:30:29] } 3. e3 { [%eval 0.21] [%clk 1:31:38] } 3... Nf6 { [%eval 0.3] [%clk 1:30:52] } 4. Nc3 { [%eval 0.17] [%clk 1:32:03] } 4... e6 { [%eval 0.26] [%clk 1:31:16] } 5. d4 { [%eval 0.21] [%clk 1:32:23] } 5... Nbd7 { [%eval 0.2] [%clk 1:31:25] } 6. Be2 { [%eval 0.12] [%clk 1:32:32] } 6... Bd6 { [%eval 0.15] [%clk 1:31:17] } 7. O-O { [%eval 0.13] [%clk 1:32:56] } 7... O-O { [%eval 0.16] [%clk 1:31:29] } 8. b3 { [%eval 0.11] [%clk 1:33:23] } 8... b6 { [%eval 0.2] [%clk 1:30:11] } 9. Bb2 { [%eval 0.18] [%clk 1:33:47] } 9... Bb7 { [%eval 0.26] [%clk 1:30:35] } 10. Bd3 { [%eval 0.22] [%clk 1:33:20] } 10... Qe7 { [%eval 0.21] [%clk 1:30:06] } 11. Rc1 { [%eval 0.0] [%clk 1:31:23] } 11... Rad8 { [%eval 0.12] [%clk 1:29:58] } 12. Qe2 { [%eval -0.04] [%clk 1:30:13] } 12... dxc4 { [%eval 0.14] [%clk 1:24:51] } 13. bxc4 { [%eval 0.0] [%clk 1:25:41] } 13... c5 { [%eval 0.1] [%clk 1:22:16] } 14. Rcd1 { [%eval -0.04] [%clk 1:19:32] } 14... e5 { [%eval -0.04] [%clk 1:17:46] } 15. dxe5 { [%eval -0.01] [%clk 1:18:25] } 15... Nxe5 { [%eval -0.02] [%clk 1:18:01] } 16. Nxe5 { [%eval -0.04] [%clk 1:18:49] } 16... Bxe5 { [%eval -0.05] [%clk 1:18:07] } 17. Rfe1 { [%eval -0.06] [%clk 1:14:37] } 17... Qe6 { [%eval 0.36] [%clk 1:12:50] } 18. e4 { [%eval 0.09] [%clk 0:47:26] } 18... Ng4 { [%eval 0.13] [%clk 1:11:33] } 19. h3 { [%eval 0.18] [%clk 0:31:12] } 19... Nxf2 { [%eval 0.64] [%clk 0:50:56] } 20. Qxf2 { [%eval 0.4] [%clk 0:31:32] } 20... Bd4 { [%eval 0.36] [%clk 0:51:16] } 21. Re3 { [%eval 0.44] [%clk 0:31:57] } 21... f5 { [%eval 0.98] [%clk 0:50:12] } 22. Nd5 { [%eval 0.91] [%clk 0:29:05] } 22... f4 { [%eval 1.46] [%clk 0:31:31] } 23. Nxf4 { [%eval 1.49] [%clk 0:27:25] } 23... Qd6?! { [%eval 2.17] } { Inaccuracy. Rxf4 was best. } { [%clk 0:27:02] } 24. e5 { [%eval 1.75] [%clk 0:25:17] } 24... Qh6 { [%eval 2.09] [%clk 0:26:32] } 25. Bxd4 { [%eval 1.86] [%clk 0:14:45] } 25... cxd4 { [%eval 2.1] [%clk 0:21:34] } 26. Re2 { [%eval 2.01] [%clk 0:15:00] } 26... Qxf4 { [%eval 1.96] [%clk 0:20:00] } 27. Qxf4 { [%eval 1.99] [%clk 0:09:42] } 27... Rxf4 { [%eval 1.76] [%clk 0:20:24] } 28. e6? { [%eval 0.35] } { Mistake. c5 was best. } { [%clk 0:09:58] } 28... Re8? { [%eval 1.89] } { Mistake. Ba6 was best. } { [%clk 0:19:36] } 29. Re5?? { [%eval 0.16] } { Blunder. c5 was best. } { [%clk 0:05:04] } 29... Kf8? { [%eval 1.54] } { Mistake. Re7 was best. } { [%clk 0:12:03] } 30. Bxh7 { [%eval 1.29] [%clk 0:04:17] } 30... Ke7 { [%eval 1.27] [%clk 0:12:13] } 31. Rde1 { [%eval 0.99] [%clk 0:02:37] } 31... Rf6? { [%eval 2.76] } { Mistake. Bc8 was best. } { [%clk 0:06:52] } 32. Rg5 { [%eval 2.36] [%clk 0:00:53] } 32... Bc6?! { [%eval 3.62] } { Inaccuracy. g6 was best. } { [%clk 0:01:19] } 33. Rxg7+ { [%eval 3.57] [%clk 0:01:11] } 33... Kd6 { [%eval 4.06] [%clk 0:01:48] } 34. e7 { [%eval 4.22] [%clk 0:01:04] } 34... Rc8 { [%eval 4.77] [%clk 0:02:13] } 35. Bg6 { [%eval 4.52] [%clk 0:00:41] } 35... Be8 { [%eval 5.2] [%clk 0:02:39] } 36. Bxe8 { [%eval 5.14] [%clk 0:00:51] } 36... Rxe8 { [%eval 5.16] [%clk 0:03:05] } 37. Rg5 { [%eval 4.96] [%clk 0:01:16] } 37... Kc6 { [%eval 5.18] [%clk 0:03:01] } 38. Rd5 { [%eval 4.95] [%clk 0:01:34] } 38... Rd6 { [%eval 5.01] [%clk 0:03:24] } 39. Ree5 { [%eval 4.94] [%clk 0:00:33] } 39... a5 { [%eval 5.16] [%clk 0:02:59] } 40. Rxd6+ { [%eval 5.36] [%clk 0:00:34] } 40... Kxd6 { [%eval 4.98] [%clk 0:03:28] } 41. Rd5+ { [%eval 4.86] [%clk 0:00:56] } 41... Kc6 { [%eval 4.77] [%clk 0:03:50] } 42. Rxd4 { [%eval 4.82] [%clk 0:01:16] } 42... Rxe7 { [%eval 4.63] [%clk 0:04:13] } 43. Kf2 { [%eval 4.56] [%clk 0:00:58] } 43... Kc5 { [%eval 4.72] [%clk 0:04:36] } 44. Rf4 { [%eval 4.79] [%clk 0:01:24] } 44... Kb4 { [%eval 5.23] [%clk 0:03:54] } 45. Kg3 { [%eval 4.61] [%clk 0:00:35] } 45... Ka3 { [%eval 5.15] [%clk 0:04:11] } 46. Rf2 { [%eval 4.92] [%clk 0:00:57] } 46... Rc7 { [%eval 5.06] [%clk 0:04:30] } 47. h4 { [%eval 5.18] [%clk 0:01:13] } 47... Rxc4 { [%eval 5.04] [%clk 0:04:53] } 48. h5 { [%eval 5.56] [%clk 0:01:39] } 48... a4 { [%eval 5.15] [%clk 0:05:02] } 49. Kh3 { [%eval 5.31] [%clk 0:01:47] } 49... b5 { [%eval 5.19] [%clk 0:04:54] } 50. g4 { [%eval 4.98] [%clk 0:02:02] } 50... b4 { [%eval 5.56] [%clk 0:05:09] } 51. h6 { [%eval 5.13] [%clk 0:02:14] } 51... Rc3+ { [%eval 5.59] [%clk 0:04:57] } 52. Kh4 { [%eval 5.36] [%clk 0:02:21] } 52... b3 { [%eval 5.86] [%clk 0:04:45] } 53. axb3 { [%eval 6.32] [%clk 0:02:48] } 53... axb3 { [%eval 6.28] [%clk 0:05:08] } 54. h7 { [%eval 5.79] [%clk 0:01:35] } 54... Rc1 { [%eval 6.49] [%clk 0:05:35] } 55. Rf3 { [%eval 6.07] [%clk 0:01:51] } 55... Rc8 { [%eval 6.44] [%clk 0:05:20] } 56. g5 { [%eval 6.46] [%clk 0:01:40] } 56... Kb4 { [%eval 6.27] [%clk 0:05:44] } 57. Rf1 { [%eval 6.15] [%clk 0:00:34] } 57... b2 { [%eval 6.1] [%clk 0:05:57] } 58. Rb1 { [%eval 7.12] [%clk 0:00:51] } 58... Kc3 { [%eval 7.76] [%clk 0:05:48] } 59. g6 { [%eval 7.62] [%clk 0:01:14] } 59... Rh8 { [%eval 7.1] [%clk 0:06:08] } 60. Kg5 { [%eval 6.05] [%clk 0:01:38] } 1-0