Event: Round 4: Katz, Alexander - Dragnev, Valentin
Date: 2025-04-24
White: Katz, Alexander
WhiteTitle: IM
WhiteElo: 2372
Black: Dragnev, Valentin
BlackTitle: GM
BlackElo: 2494
Result: 1/2-1/2
ECO: A00
Opening: Saragossa Opening
Variant: Standard
TimeControl: 3+2

1. c3 { [%eval 0.0] [%clk 0:03:03] } 1... e5 { [%eval 0.06] [%clk 0:03:01] } 2. c4 { [%eval -0.31] [%clk 0:03:04] } 2... Nf6 { [%eval -0.34] [%clk 0:03:00] } 3. a3 { [%eval -0.35] [%clk 0:03:02] } 3... c5 { [%eval -0.53] [%clk 0:03:00] } 4. e3 { [%eval -0.53] [%clk 0:03:02] } 4... d5 { [%eval -0.31] [%clk 0:03:00] } 5. cxd5 { [%eval -0.43] [%clk 0:03:01] } 5... Nxd5 { [%eval -0.49] [%clk 0:03:01] } 6. Nf3 { [%eval -0.53] [%clk 0:03:02] } 6... Nc6 { [%eval -0.35] [%clk 0:03:00] } 7. Qc2 { [%eval -0.61] [%clk 0:02:58] } 7... a6 { [%eval -0.76] [%clk 0:03:00] } 8. b3 { [%eval -0.67] [%clk 0:02:55] } 8... f5 { [%eval -0.59] [%clk 0:02:58] } 9. d3 { [%eval -0.76] [%clk 0:02:56] } 9... Bd6 { [%eval -0.94] [%clk 0:02:31] } 10. Bb2 { [%eval -0.85] [%clk 0:02:54] } 10... f4 { [%eval -0.75] [%clk 0:02:29] } 11. exf4?! { [%eval -1.33] } { Inaccuracy. d4 was best. } { [%clk 0:02:19] } 11... Nxf4 { [%eval -1.34] [%clk 0:02:30] } 12. g3 { [%eval -1.76] [%clk 0:02:20] } 12... Ne6?? { [%eval 0.2] } { Blunder. Nh3 was best. } { [%clk 0:02:28] } 13. Bg2 { [%eval 0.24] [%clk 0:02:20] } 13... O-O { [%eval 0.18] [%clk 0:02:27] } 14. O-O { [%eval 0.14] [%clk 0:02:14] } 14... Ned4 { [%eval 0.37] [%clk 0:02:04] } 15. Bxd4 { [%eval 0.39] [%clk 0:02:13] } 15... exd4 { [%eval 0.35] [%clk 0:02:01] } 16. Nfd2 { [%eval 0.25] [%clk 0:01:55] } 16... Bg4 { [%eval 0.53] [%clk 0:01:52] } 17. Ne4 { [%eval 0.45] [%clk 0:01:48] } 17... Rc8 { [%eval 0.58] [%clk 0:01:53] } 18. Nbd2 { [%eval 0.47] [%clk 0:01:40] } 18... Ne5? { [%eval 1.84] } { Mistake. Be7 was best. } { [%clk 0:01:53] } 19. f4 { [%eval 2.09] [%clk 0:01:38] } 19... Ng6?! { [%eval 2.8] } { Inaccuracy. Nc6 was best. } { [%clk 0:01:47] } 20. Nxd6 { [%eval 2.72] [%clk 0:01:37] } 20... Qxd6 { [%eval 2.64] [%clk 0:01:47] } 21. Bxb7 { [%eval 2.67] [%clk 0:01:38] } 21... Rc7 { [%eval 2.5] [%clk 0:01:34] } 22. Be4 { [%eval 2.13] [%clk 0:01:36] } 22... Ne7 { [%eval 2.0] [%clk 0:01:22] } 23. Nc4 { [%eval 1.93] [%clk 0:01:37] } 23... Qf6 { [%eval 2.24] [%clk 0:01:21] } 24. Rae1 { [%eval 2.52] [%clk 0:01:24] } 24... h5 { [%eval 2.67] [%clk 0:01:22] } 25. Ne5 { [%eval 2.61] [%clk 0:01:22] } 25... Bh3 { [%eval 2.48] [%clk 0:01:12] } 26. Rf2 { [%eval 2.71] [%clk 0:01:19] } 26... Nf5 { [%eval 2.59] [%clk 0:01:13] } 27. Qd1 { [%eval 2.17] [%clk 0:01:06] } 27... g6 { [%eval 1.98] [%clk 0:01:09] } 28. Bxf5 { [%eval 1.44] [%clk 0:00:56] } 28... Bxf5 { [%eval 1.4] [%clk 0:01:10] } 29. b4 { [%eval 1.42] [%clk 0:00:27] } 29... cxb4 { [%eval 1.38] [%clk 0:01:10] } 30. Qb3+ { [%eval 1.36] [%clk 0:00:26] } 30... Kg7 { [%eval 1.31] [%clk 0:00:55] } 31. Qxb4 { [%eval 1.43] [%clk 0:00:27] } 31... Rd8 { [%eval 1.33] [%clk 0:00:56] } 32. Qa5 { [%eval 1.46] [%clk 0:00:24] } 32... Rc3? { [%eval 2.97] } { Mistake. Qd6 was best. } { [%clk 0:00:49] } 33. Rb2 { [%eval 2.91] [%clk 0:00:25] } 33... Re8? { [%eval 4.94] } { Mistake. Rdc8 was best. } { [%clk 0:00:39] } 34. Rb7+ { [%eval 4.8] [%clk 0:00:17] } 34... Re7?! { [%eval 6.9] } { Inaccuracy. Kh6 was best. } { [%clk 0:00:40] } 35. Rb8?? { [%eval 0.0] } { Blunder. Ng4 was best. } { [%clk 0:00:18] } 35... Qd6 { [%eval 0.1] [%clk 0:00:35] } 36. Rd8 { [%eval 0.25] [%clk 0:00:07] } 36... Qxa3?? { [%eval 4.44] } { Blunder. Rxa3 was best. } { [%clk 0:00:23] } 37. Qd5 { [%eval 4.28] [%clk 0:00:08] } 37... Be6 { [%eval 4.11] [%clk 0:00:13] } 38. Qxd4 { [%eval 4.05] [%clk 0:00:08] } 38... Qc5 { [%eval 4.15] [%clk 0:00:14] } 39. Qxc5? { [%eval 2.33] } { Mistake. Nc6+ was best. } { [%clk 0:00:06] } 39... Rxc5 { [%eval 2.35] [%clk 0:00:15] } 40. Rd6 { [%eval 2.36] [%clk 0:00:05] } 40... Bf5 { [%eval 2.26] [%clk 0:00:06] } 41. Ra1?? { [%eval 0.45] } { Blunder. Rxa6 was best. } { [%clk 0:00:05] } 41... a5 { [%eval 0.5] [%clk 0:00:07] } 42. Ra6 { [%eval 0.21] [%clk 0:00:05] } 42... Rb7 { [%eval 0.31] [%clk 0:00:05] } 43. R6xa5 { [%eval 0.39] [%clk 0:00:06] } 43... Rc2?? { [%eval 2.82] } { Blunder. Rxa5 was best. } { [%clk 0:00:03] } 44. Ra7 { [%eval 3.16] [%clk 0:00:04] } 44... Rxa7 { [%eval 3.21] [%clk 0:00:05] } 45. Rxa7+ { [%eval 3.09] [%clk 0:00:06] } 45... Kg8 { [%eval 2.83] [%clk 0:00:05] } 46. h4 { [%eval 2.57] [%clk 0:00:04] } 46... Bh3 { [%eval 3.22] [%clk 0:00:06] } 47. Nxg6?? { [%eval 0.0] } { Blunder. Ra6 was best. } { [%clk 0:00:03] } 47... Rg2+ { [%eval 0.0] [%clk 0:00:07] } 48. Kh1 { [%eval 0.0] [%clk 0:00:04] } 48... Rxg3 { [%eval 0.0] [%clk 0:00:09] } 49. Ne5 { [%eval 0.0] [%clk 0:00:03] } 49... Rg2 { [%eval 0.09] [%clk 0:00:09] } 50. d4 { [%eval 0.0] [%clk 0:00:03] } 50... Rd2 { [%eval 0.1] [%clk 0:00:10] } 51. Ra4 { [%eval 0.0] [%clk 0:00:03] } 51... Bg2+ { [%eval 0.0] [%clk 0:00:10] } 52. Kg1 { [%eval 0.0] [%clk 0:00:05] } 52... Be4 { [%eval 0.0] [%clk 0:00:11] } 53. Rb4 { [%eval 0.0] [%clk 0:00:03] } 53... Rg2+ { [%eval 0.0] [%clk 0:00:12] } 54. Kf1 { [%eval 0.0] [%clk 0:00:05] } 54... Rh2 { [%eval 0.0] [%clk 0:00:14] } 55. Kg1 { [%eval 0.0] [%clk 0:00:05] } 55... Rxh4 { [%eval 0.0] [%clk 0:00:14] } 56. Nd7 { [%eval 0.0] [%clk 0:00:03] } 56... Rxf4 { [%eval 0.0] [%clk 0:00:14] } 57. d5 { [%eval 0.0] [%clk 0:00:05] } 57... Rg4+ { [%eval 0.0] [%clk 0:00:15] } 58. Kf2 { [%eval 0.0] [%clk 0:00:05] } 58... Rg2+ { [%eval 0.01] [%clk 0:00:16] } 59. Ke3 { [%eval 0.0] [%clk 0:00:06] } 59... Rg3+ { [%eval 0.0] [%clk 0:00:16] } 60. Kf4 { [%eval 0.0] [%clk 0:00:06] } 60... Rg4+ { [%eval 0.0] [%clk 0:00:15] } 61. Ke5 { [%eval 0.0] [%clk 0:00:04] } 61... Rg5+ { [%eval 0.0] [%clk 0:00:13] } 62. Kf6 { [%eval 0.0] [%clk 0:00:04] } 62... Rxd5 { [%eval 0.0] [%clk 0:00:13] } 63. Rb8+ { [%eval 0.0] [%clk 0:00:03] } 63... Kh7 { [%eval 0.06] [%clk 0:00:13] } 64. Nf8+ { [%eval 0.0] [%clk 0:00:05] } 64... Kh6 { [%eval 0.0] [%clk 0:00:15] } 65. Ne6 { [%eval 0.0] [%clk 0:00:03] } 65... Rf5+ { [%eval 0.0] [%clk 0:00:16] } 66. Ke7 { [%eval 0.0] [%clk 0:00:04] } 66... Re5 { [%eval 0.0] [%clk 0:00:09] } 67. Kf6 { [%eval 0.0] [%clk 0:00:05] } 67... Rf5+ { [%eval 0.0] [%clk 0:00:11] } 68. Ke7 { [%eval -0.07] [%clk 0:00:06] } 68... Re5 { [%eval 0.0] [%clk 0:00:12] } 69. Kf6 { [%eval 0.0] [%clk 0:00:03] } 69... Rf5+ { [%eval 0.0] [%clk 0:00:13] } 70. Ke7 { [%eval 0.0] [%clk 0:00:04] } 70... Re5 { [%eval 0.0] [%clk 0:00:15] } 1/2-1/2