Event: Round 5: Kossen, Johannes - Janssen, Toon
Date: 2025-07-26
White: Kossen, Johannes
WhiteElo: 2026
Black: Janssen, Toon
BlackElo: 1892
Result: 1-0
ECO: E62
Opening: King's Indian Defense: Fianchetto Variation, Kavalek Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:29:49] } 2. c4 { [%eval 0.18] [%clk 1:31:20] } 2... g6 { [%eval 0.28] [%clk 1:29:48] } 3. Nf3 { [%eval 0.22] [%clk 1:31:44] } 3... Bg7 { [%eval 0.27] [%clk 1:30:03] } 4. g3 { [%eval 0.15] [%clk 1:32:07] } 4... d6 { [%eval 0.39] [%clk 1:30:13] } 5. Bg2 { [%eval 0.28] [%clk 1:32:28] } 5... c6 { [%eval 0.44] [%clk 1:29:56] } 6. Nc3 { [%eval 0.32] [%clk 1:32:45] } 6... O-O { [%eval 0.44] [%clk 1:29:54] } 7. O-O { [%eval 0.32] [%clk 1:33:06] } 7... Qa5 { [%eval 0.76] [%clk 1:28:00] } 8. h3 { [%eval 0.54] [%clk 1:32:59] } 8... e5 { [%eval 0.81] [%clk 1:27:18] } 9. e4 { [%eval 0.85] [%clk 1:29:16] } 9... Be6 { [%eval 1.01] [%clk 1:26:00] } 10. Qe2 { [%eval 1.06] [%clk 1:21:29] } 10... h6 { [%eval 1.4] [%clk 1:20:02] } 11. Be3 { [%eval 1.39] [%clk 1:19:47] } 11... Na6 { [%eval 1.48] [%clk 1:17:28] } 12. Rfd1 { [%eval 1.52] [%clk 1:19:01] } 12... Nh5 { [%eval 2.09] [%clk 1:05:00] } 13. Nh4?! { [%eval 1.46] } { Inaccuracy. a3 was best. } { [%clk 1:09:07] } 13... Kh7?! { [%eval 2.19] } { Inaccuracy. exd4 was best. } { [%clk 0:53:44] } 14. Nf5?! { [%eval 1.57] } { Inaccuracy. d5 was best. } { [%clk 1:05:09] } 14... Qb4? { [%eval 3.16] } { Mistake. Bxf5 was best. } { [%clk 0:40:22] } 15. d5 { [%eval 3.17] [%clk 1:03:31] } 15... cxd5 { [%eval 3.09] [%clk 0:37:34] } 16. Nxg7 { [%eval 3.1] [%clk 0:58:41] } 16... Nxg7 { [%eval 2.89] [%clk 0:37:12] } 17. Nxd5 { [%eval 2.91] [%clk 0:58:50] } 17... Bxd5 { [%eval 2.92] [%clk 0:36:59] } 18. Rxd5 { [%eval 2.81] [%clk 0:58:59] } 18... Nc7 { [%eval 3.12] [%clk 0:34:36] } 19. a3 { [%eval 3.06] [%clk 0:58:26] } 19... Qa4 { [%eval 3.16] [%clk 0:29:50] } 20. Rxd6 { [%eval 3.16] [%clk 0:58:46] } 20... Rfd8 { [%eval 3.09] [%clk 0:28:19] } 21. Rad1 { [%eval 2.71] [%clk 0:58:49] } 21... Rxd6 { [%eval 3.39] [%clk 0:28:21] } 22. Rxd6 { [%eval 3.41] [%clk 0:59:11] } 22... Nce6 { [%eval 3.78] [%clk 0:24:31] } 23. Qd2 { [%eval 3.57] [%clk 0:56:20] } 23... Rc8 { [%eval 3.76] [%clk 0:23:13] } 24. Bf1 { [%eval 3.72] [%clk 0:54:16] } 24... h5 { [%eval 4.06] [%clk 0:19:39] } 25. Qb4 { [%eval 3.74] [%clk 0:53:52] } 25... Qxb4 { [%eval 3.65] [%clk 0:17:35] } 26. axb4 { [%eval 3.58] [%clk 0:54:19] } 26... a6 { [%eval 3.74] [%clk 0:16:57] } 27. Bb6 { [%eval 3.79] [%clk 0:54:34] } 27... Nf8 { [%eval 3.87] [%clk 0:13:29] } 28. c5 { [%eval 3.84] [%clk 0:54:29] } 28... Ne8 { [%eval 3.82] [%clk 0:13:02] } 29. Rd5 { [%eval 3.76] [%clk 0:54:07] } 29... f6?! { [%eval 5.24] } { Inaccuracy. Nf6 was best. } { [%clk 0:12:58] } 30. Bc4 { [%eval 4.96] [%clk 0:52:50] } 30... Kh6 { [%eval 5.43] [%clk 0:12:14] } 31. Bb3 { [%eval 4.43] [%clk 0:53:04] } 31... h4 { [%eval 5.02] [%clk 0:07:21] } 32. g4 { [%eval 4.95] [%clk 0:53:14] } 32... Ne6 { [%eval 4.77] [%clk 0:05:45] } 33. Rd7 { [%eval 4.85] [%clk 0:53:34] } 33... N8c7 { [%eval 5.65] [%clk 0:02:11] } 34. Bd5 { [%eval 5.62] [%clk 0:53:16] } 34... Nxd5 { [%eval 5.31] [%clk 0:01:54] } 35. exd5 { [%eval 5.71] [%clk 0:53:40] } 35... Nf4 { [%eval 5.81] [%clk 0:02:06] } 36. Kh2 { [%eval 6.07] [%clk 0:53:54] } 36... f5 { [%eval 5.93] [%clk 0:02:10] } 37. gxf5 { [%eval 5.36] [%clk 0:54:06] } 37... gxf5 { [%eval 5.22] [%clk 0:02:25] } 38. d6 { [%eval 5.23] [%clk 0:53:46] } 38... Rg8 { [%eval 5.42] [%clk 0:02:14] } 39. Rxb7 { [%eval 5.01] [%clk 0:53:58] } 39... Rg2+ { [%eval 6.22] [%clk 0:02:23] } 40. Kh1 { [%eval 6.14] [%clk 0:54:20] } 40... Rxf2 { [%eval 6.25] [%clk 0:01:07] } 41. c6 { [%eval 6.0] [%clk 0:54:10] } 41... Rc2 { [%eval 7.78] [%clk 0:21:42] } 42. d7 { [%eval 8.08] [%clk 1:24:20] } 42... Rc1+ { [%eval 8.6] [%clk 0:17:53] } 43. Bg1 { [%eval 8.76] [%clk 1:24:22] } 43... Ne2? { [%eval #10] } { Checkmate is now unavoidable. Ne6 was best. } { [%clk 0:14:41] } 44. d8=Q { [%eval #9] [%clk 1:24:36] } 44... Rxg1+ { [%clk 0:14:31] } 45. Kh2 { [%clk 1:25:00] } 1-0