Event: Round 4: AJIEH Ebenezer Osamudiamen - ONUOHA, Obioma
Site: https://lichess.org/broadcast/olojo-world-chess-tournament-2025-opens/round-4/r0S6AOci/BAuiy5iq
Date: 2025-09-19
White: AJIEH Ebenezer Osamudiamen
WhiteElo: 1856
Black: ONUOHA, Obioma
BlackElo: 2097
Result: 1-0
ECO: C42
Opening: Petrov's Defense: Three Knights Game
Variant: Standard
TimeControl: 15+10

1. e4 { [%eval 0.18] [%clk 0:14:55] } 1... e5 { [%eval 0.22] [%clk 0:15:18] } 2. Nf3 { [%eval 0.13] [%clk 0:15:02] } 2... Nf6 { [%eval 0.34] [%clk 0:15:26] } 3. Nc3 { [%eval 0.0] [%clk 0:15:00] } 3... Bb4 { [%eval 0.34] [%clk 0:15:33] } 4. Bc4 { [%eval 0.11] [%clk 0:14:46] } 4... d6 { [%eval 0.24] [%clk 0:15:19] } 5. h3 { [%eval -0.07] [%clk 0:14:12] } 5... O-O { [%eval 0.0] [%clk 0:15:24] } 6. d3 { [%eval 0.0] [%clk 0:14:09] } 6... c6 { [%eval -0.02] [%clk 0:15:30] } 7. a3 { [%eval -0.01] [%clk 0:14:09] } 7... Bxc3+ { [%eval 0.0] [%clk 0:15:31] } 8. bxc3 { [%eval 0.01] [%clk 0:14:18] } 8... Be6 { [%eval 0.0] [%clk 0:15:38] } 9. Bb3 { [%eval -0.03] [%clk 0:14:07] } 9... Nbd7 { [%eval 0.11] [%clk 0:15:27] } 10. Be3 { [%eval -0.15] [%clk 0:14:01] } 10... a5 { [%eval 0.24] [%clk 0:14:04] } 11. O-O { [%eval 0.07] [%clk 0:13:40] } 11... a4 { [%eval 0.54] [%clk 0:14:06] } 12. Bxe6 { [%eval 0.46] [%clk 0:13:35] } 12... fxe6 { [%eval 0.45] [%clk 0:14:14] } 13. Rb1 { [%eval 0.16] [%clk 0:13:44] } 13... b5 { [%eval 0.18] [%clk 0:14:11] } 14. Ng5 { [%eval -0.12] [%clk 0:13:44] } 14... Qe7 { [%eval -0.12] [%clk 0:14:16] } 15. Kh1 { [%eval -0.43] [%clk 0:11:51] } 15... d5 { [%eval -0.38] [%clk 0:14:05] } 16. exd5? { [%eval -1.72] } { Mistake. Rb4 was best. } { [%clk 0:11:03] } 16... exd5 { [%eval -1.7] [%clk 0:14:06] } 17. Rb4 { [%eval -2.19] [%clk 0:10:55] } 17... Rab8? { [%eval -0.94] } { Mistake. d4 was best. } { [%clk 0:11:36] } 18. f4?! { [%eval -1.79] } { Inaccuracy. Nf3 was best. } { [%clk 0:10:33] } 18... c5?! { [%eval -0.93] } { Inaccuracy. e4 was best. } { [%clk 0:11:17] } 19. Rb1 { [%eval -0.87] [%clk 0:10:13] } 19... d4 { [%eval -0.96] [%clk 0:09:57] } 20. cxd4 { [%eval -0.9] [%clk 0:10:07] } 20... exd4?! { [%eval 0.0] } { Inaccuracy. h6 was best. } { [%clk 0:10:04] } 21. Bg1 { [%eval 0.0] [%clk 0:10:03] } 21... Nd5 { [%eval 0.49] [%clk 0:09:13] } 22. Re1?! { [%eval -0.1] } { Inaccuracy. Qf3 was best. } { [%clk 0:08:05] } 22... Qd6 { [%eval -0.16] [%clk 0:07:51] } 23. Qh5?! { [%eval -0.76] } { Inaccuracy. Qf3 was best. } { [%clk 0:06:37] } 23... N7f6 { [%eval -0.31] [%clk 0:07:51] } 24. Qf3?! { [%eval -1.13] } { Inaccuracy. Qh4 was best. } { [%clk 0:06:19] } 24... Qxf4? { [%eval 0.0] } { Mistake. Nc3 was best. } { [%clk 0:07:51] } 25. Ne6?? { [%eval -2.94] } { Blunder. Qxf4 was best. } { [%clk 0:05:38] } 25... Qxf3 { [%eval -2.84] [%clk 0:07:56] } 26. gxf3 { [%eval -2.94] [%clk 0:05:47] } 26... Rfc8 { [%eval -2.85] [%clk 0:07:56] } 27. Re5 { [%eval -2.74] [%clk 0:04:58] } 27... h6 { [%eval -2.44] [%clk 0:07:23] } 28. Rbe1 { [%eval -2.86] [%clk 0:04:44] } 28... Rb6 { [%eval -2.49] [%clk 0:06:57] } 29. f4 { [%eval -2.26] [%clk 0:04:48] } 29... Rbc6 { [%eval -2.13] [%clk 0:03:13] } 30. Kh2?! { [%eval -3.16] } { Inaccuracy. f5 was best. } { [%clk 0:04:44] } 30... b4 { [%eval -3.16] [%clk 0:03:21] } 31. axb4 { [%eval -3.03] [%clk 0:04:03] } 31... Nxb4 { [%eval -3.03] [%clk 0:03:28] } 32. Ra1?! { [%eval -4.0] } { Inaccuracy. Bf2 was best. } { [%clk 0:03:36] } 32... Nxc2 { [%eval -3.89] [%clk 0:02:57] } 33. Rxa4 { [%eval -3.48] [%clk 0:03:45] } 33... Nb4?? { [%eval 0.0] } { Blunder. c4 was best. } { [%clk 0:03:04] } 34. Ra3?? { [%eval -2.81] } { Blunder. Nxd4 was best. } { [%clk 0:03:12] } 34... Nfd5? { [%eval -1.31] } { Mistake. Nd7 was best. } { [%clk 0:02:59] } 35. f5 { [%eval -1.22] [%clk 0:02:49] } 35... Nc3? { [%eval -0.08] } { Mistake. Re8 was best. } { [%clk 0:02:54] } 36. Re1?? { [%eval -4.04] } { Blunder. Nxc5 was best. } { [%clk 0:02:26] } 36... Nxd3? { [%eval -2.28] } { Mistake. Nc2 was best. } { [%clk 0:03:01] } 37. Rea1 { [%eval -2.49] [%clk 0:02:10] } 37... Nb5?? { [%eval 0.33] } { Blunder. Ne5 was best. } { [%clk 0:01:51] } 38. Rxd3 { [%eval 0.27] [%clk 0:02:15] } 38... c4?? { [%eval 2.71] } { Blunder. Nd6 was best. } { [%clk 0:01:57] } 39. Rg3 { [%eval 2.54] [%clk 0:02:23] } 39... d3?? { [%eval 6.28] } { Blunder. g5 was best. } { [%clk 0:01:49] } 40. Nd4?? { [%eval 1.65] } { Blunder. Rxg7+ was best. } { [%clk 0:02:11] } 40... Nxd4?! { [%eval 2.42] } { Inaccuracy. Rc5 was best. } { [%clk 0:01:46] } 41. Bxd4 { [%eval 2.43] [%clk 0:02:20] } 41... R6c7 { [%eval 2.22] [%clk 0:01:54] } 42. Bc3 { [%eval 2.2] [%clk 0:02:17] } 42... Rf8?! { [%eval 3.36] } { Inaccuracy. Rd7 was best. } { [%clk 0:01:51] } 43. f6 { [%eval 3.8] [%clk 0:02:24] } 43... g5 { [%eval 3.55] [%clk 0:01:59] } 44. Rg4?? { [%eval 0.9] } { Blunder. h4 was best. } { [%clk 0:02:18] } 44... Kf7?! { [%eval 1.91] } { Inaccuracy. Rd8 was best. } { [%clk 0:02:03] } 45. Ra4?? { [%eval 0.0] } { Blunder. h4 was best. } { [%clk 0:02:25] } 45... Rfc8?? { [%eval 1.8] } { Blunder. Rd8 was best. } { [%clk 0:02:11] } 46. Re4?? { [%eval 0.02] } { Blunder. Rd4 was best. } { [%clk 0:01:54] } 46... Kg6?? { [%eval 2.03] } { Blunder. Rd8 was best. } { [%clk 0:02:04] } 47. Kg3?? { [%eval 0.0] } { Blunder. Ra6 was best. } { [%clk 0:01:57] } 47... h5?? { [%eval 2.82] } { Blunder. Rd8 was best. } { [%clk 0:02:11] } 48. Kf2?? { [%eval 0.69] } { Blunder. Re5 was best. } { [%clk 0:01:53] } 48... Kf5?? { [%eval 4.13] } { Blunder. Rd7 was best. } { [%clk 0:01:56] } 49. Ke3 { [%eval 4.24] [%clk 0:01:47] } 49... Kg6 { [%eval 4.1] [%clk 0:01:48] } 50. Ra5 { [%eval 4.05] [%clk 0:01:39] } 50... Rb7?! { [%eval 6.09] } { Inaccuracy. Rc5 was best. } { [%clk 0:01:31] } 51. Ree5 { [%eval 5.42] [%clk 0:01:38] } 51... Rg8?? { [%eval #24] } { Checkmate is now unavoidable. Kf7 was best. } { [%clk 0:01:06] } 52. Rxg5+ { [%eval #24] [%clk 0:01:46] } 52... Kf7 { [%eval #25] [%clk 0:01:15] } 53. Rxh5?? { [%eval 4.98] } { Lost forced checkmate sequence. Rg7+ was best. } { [%clk 0:01:19] } 53... Rg2?? { [%eval #9] } { Checkmate is now unavoidable. d2 was best. } { [%clk 0:01:00] } 54. Rh7+ { [%eval #8] [%clk 0:01:25] } 54... Kg6 { [%eval #8] [%clk 0:01:10] } 55. Rxb7 { [%eval #7] [%clk 0:01:31] } 1-0