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Demyanchuk, Sergey vs Kolyvanov, Klim

2026.09.02 · game 1
White to move
PGN
[Event "CN Amador 2025-26"]
[Site "Maia, Portugal"]
[Date "2026.09.02"]
[Round "1.5"]
[White "Demyanchuk, Sergey"]
[Black "Kolyvanov, Klim"]
[Result "1/2-1/2"]
[WhiteElo "1896"]
[WhiteFideId "1937251"]
[BlackElo "1699"]
[BlackFideId "1987283"]
[TimeControl "90 minutes with 30 second increment from move 1"]
[Variant "Standard"]
[ECO "B15"]
[Opening "Caro-Kann Defense: Tartakower Variation"]
[UTCDate "2026.09.02"]
[UTCTime "18:42:48"]
[BroadcastName "Portuguese National Amateur Championship 2025-26"]
[BroadcastURL "https://lichess.org/broadcast/portuguese-national-amateur-championship-2025-26/round-1/3GV9hYyk"]
[GameURL "https://lichess.org/broadcast/portuguese-national-amateur-championship-2025-26/round-1/3GV9hYyk/G87p0tOa"]

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c6 { [%eval 0.31] [%clk 1:30:55] } 2. d4 { [%eval 0.24] [%clk 1:31:21] } 2... d5 { [%eval 0.24] [%clk 1:31:21] } 3. Nc3 { [%eval 0.34] [%clk 1:31:46] } 3... dxe4 { [%eval 0.18] [%clk 1:31:43] } 4. Nxe4 { [%eval 0.28] [%clk 1:32:11] } 4... Nf6 { [%eval 0.31] [%clk 1:32:04] } 5. Nxf6+ { [%eval 0.29] [%clk 1:32:19] } 5... exf6 { [%eval 0.22] [%clk 1:32:29] } 6. Bf4 { [%eval 0.0] [%clk 1:32:30] } 6... Bd6 { [%eval 0.0] [%clk 1:32:07] } 7. Bxd6 { [%eval 0.0] [%clk 1:32:29] } 7... Qxd6 { [%eval 0.0] [%clk 1:32:30] } 8. Nf3?! { [%eval -0.82] } { Inaccuracy. Qd2 was best. } { [%clk 1:32:46] } 8... Qb4+ { [%eval -0.8] [%clk 1:30:46] } 9. c3 { [%eval -0.88] [%clk 1:21:56] } 9... Qxb2 { [%eval -0.77] [%clk 1:29:39] } 10. Qe2+ { [%eval -0.76] [%clk 1:21:46] } 10... Qxe2+ { [%eval -0.79] [%clk 1:29:41] } 11. Bxe2 { [%eval -0.77] [%clk 1:22:10] } 11... O-O { [%eval -0.48] [%clk 1:29:07] } 12. Kd2 { [%eval -0.77] [%clk 1:21:23] } 12... Be6 { [%eval -0.32] [%clk 1:27:01] } 13. c4 { [%eval -0.47] [%clk 1:17:24] } 13... Nd7 { [%eval -0.37] [%clk 1:23:44] } 14. a4 { [%eval -0.46] [%clk 1:15:11] } 14... Rad8 { [%eval -0.3] [%clk 1:16:38] } 15. Kc3 { [%eval -0.35] [%clk 1:15:13] } 15... a5 { [%eval -0.14] [%clk 1:13:11] } 16. Rab1 { [%eval -0.27] [%clk 1:14:12] } 16... b6 { [%eval -0.25] [%clk 1:12:59] } 17. Nd2 { [%eval -0.3] [%clk 1:12:45] } 17... Bf5 { [%eval -0.31] [%clk 1:11:31] } 18. Rb2 { [%eval -0.17] [%clk 1:12:23] } 18... Rfe8 { [%eval -0.23] [%clk 1:10:31] } 19. Bf3 { [%eval -0.42] [%clk 1:12:13] } 19... Re6 { [%eval -0.44] [%clk 1:04:38] } 20. h3 { [%eval -0.53] [%clk 1:08:01] } 20... h6 { [%eval -0.43] [%clk 0:51:34] } 21. Nf1?! { [%eval -1.0] } { Inaccuracy. Nb3 was best. } { [%clk 1:01:48] } 21... Nc5 { [%eval -0.86] [%clk 0:44:28] } 22. Ra2 { [%eval -0.76] [%clk 0:53:03] } 22... Nd3 { [%eval -0.22] [%clk 0:39:10] } 23. Ne3?? { [%eval -3.44] } { Blunder. Rd2 was best. } { [%clk 0:51:28] } 23... Nb4?? { [%eval -0.21] } { Blunder. Nxf2 was best. } { [%clk 0:38:32] } 24. Rd2 { [%eval -0.2] [%clk 0:49:38] } 24... Be4 { [%eval -0.19] [%clk 0:33:40] } 25. Bxe4 { [%eval -0.31] [%clk 0:48:54] } 25... Rxe4 { [%eval -0.36] [%clk 0:34:01] } 26. d5? { [%eval -1.64] } { Mistake. Rhd1 was best. } { [%clk 0:48:54] } 26... cxd5 { [%eval -1.63] [%clk 0:33:00] } 27. Nxd5 { [%eval -1.57] [%clk 0:49:12] } 27... Nxd5+? { [%eval -0.28] } { Mistake. Rc8 was best. } { [%clk 0:32:32] } 28. Rxd5 { [%eval -0.34] [%clk 0:49:31] } 28... Rc8 { [%eval -0.51] [%clk 0:21:51] } 29. Rd4 { [%eval -0.78] [%clk 0:49:44] } 29... Re5?! { [%eval 0.0] } { Inaccuracy. Re2 was best. } { [%clk 0:20:03] } 30. Rhd1 { [%eval 0.0] [%clk 0:49:05] } 30... Rc6 { [%eval 0.0] [%clk 0:17:56] } 31. Rd8+ { [%eval 0.0] [%clk 0:48:17] } 31... Kh7 { [%eval 0.0] [%clk 0:18:15] } 32. R8d6 { [%eval 0.0] [%clk 0:48:13] } 32... Re6 { [%eval 0.0] [%clk 0:17:04] } 33. Rxc6 { [%eval 0.0] [%clk 0:47:25] } 33... Rxc6 { [%eval 0.0] [%clk 0:17:27] } 34. Rd5 { [%eval 0.0] [%clk 0:45:05] } 34... g5 { [%eval 0.06] [%clk 0:16:01] } 35. Kd4 { [%eval 0.0] [%clk 0:45:13] } 35... Kg6 { [%eval -0.03] [%clk 0:16:02] } 36. c5 { [%eval -0.27] [%clk 0:42:55] } 36... bxc5+ { [%eval -0.06] [%clk 0:14:26] } 37. Kc4?? { [%eval -4.27] } { Blunder. Rxc5 was best. } { [%clk 0:42:55] } 37... Rb6 { [%eval -4.02] [%clk 0:13:49] } 38. Kxc5 { [%eval -4.73] [%clk 0:41:50] } 38... Rb4 { [%eval -4.79] [%clk 0:13:20] } 39. Rd4 { [%eval -4.95] [%clk 0:42:03] } 39... Rb2 { [%eval -4.65] [%clk 0:13:18] } 40. g4 { [%eval -5.14] [%clk 0:37:10] } 40... f5 { [%eval -4.93] [%clk 0:09:13] } 41. f4 { [%eval -4.76] [%clk 0:36:54] } 41... fxg4?! { [%eval -3.8] } { Inaccuracy. Rb3 was best. } { [%clk 0:08:35] } 42. hxg4 { [%eval -3.63] [%clk 0:37:03] } 42... gxf4 { [%eval -4.24] [%clk 0:07:09] } 43. Rxf4 { [%eval -3.92] [%clk 0:37:24] } 43... Kg5 { [%eval -4.14] [%clk 0:05:32] } 44. Rd4 { [%eval -3.68] [%clk 0:36:26] } 44... h5?? { [%eval 0.0] } { Blunder. Rb3 was best. } { [%clk 0:04:38] } 45. gxh5 { [%eval 0.0] [%clk 0:36:37] } 45... Kxh5 { [%eval 0.0] [%clk 0:05:03] } 46. Rd5+ { [%eval 0.0] [%clk 0:36:49] } 46... Kg4 { [%eval 0.0] [%clk 0:05:12] } 47. Kc6 { [%eval 0.0] [%clk 0:36:29] } 47... f5 { [%eval 0.0] [%clk 0:05:03] } 48. Rxa5 { [%eval 0.0] [%clk 0:36:39] } 48... f4 { [%eval 0.0] [%clk 0:04:51] } 49. Ra8 { [%eval 0.0] [%clk 0:36:27] } 49... f3 { [%eval 0.0] [%clk 0:04:43] } 50. a5 { [%eval 0.0] [%clk 0:36:14] } 50... f2 { [%eval 0.0] [%clk 0:03:41] } 51. Rf8 { [%eval 0.0] [%clk 0:36:35] } 51... Kg3 { [%eval 0.0] [%clk 0:03:44] } 52. a6 { [%eval 0.0] [%clk 0:36:54] } 52... Ra2 { [%eval 0.0] [%clk 0:03:26] } 53. Kb7 { [%eval 0.0] [%clk 0:37:12] } 53... Kg2 { [%eval 0.0] [%clk 0:03:44] } 54. a7 { [%eval 0.0] [%clk 0:37:22] } 54... Rxa7+ { [%eval 0.0] [%clk 0:03:23] } 1/2-1/2
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