Event: Round 4: Katz, Alexander - Bortnyk, Mykola
Site: https://lichess.org/broadcast/2025-marshall-chess-club-rapid--blitz-championship--rapid/round-4/ND6i1pEa/wGeGKSf3
Date: 2025-10-09
White: Katz, Alexander
WhiteTitle: IM
WhiteElo: 2349
Black: Bortnyk, Mykola
BlackTitle: IM
BlackElo: 2517
Result: 0-1
ECO: B42
Opening: Sicilian Defense: Kan Variation, Polugaevsky Variation
Variant: Standard
TimeControl: 15+10

1. e4 { [%eval 0.18] [%clk 0:15:19] } 1... c5 { [%eval 0.24] [%clk 0:15:17] } 2. Nf3 { [%eval 0.2] [%clk 0:15:27] } 2... e6 { [%eval 0.28] [%clk 0:15:25] } 3. d4 { [%eval 0.4] [%clk 0:15:31] } 3... cxd4 { [%eval 0.29] [%clk 0:15:33] } 4. Nxd4 { [%eval 0.35] [%clk 0:15:40] } 4... a6 { [%eval 0.42] [%clk 0:15:43] } 5. Bd3 { [%eval 0.45] [%clk 0:15:44] } 5... Bc5 { [%eval 0.42] [%clk 0:15:51] } 6. Nb3 { [%eval 0.34] [%clk 0:15:51] } 6... Ba7 { [%eval 0.36] [%clk 0:16:00] } 7. Nc3 { [%eval 0.41] [%clk 0:15:57] } 7... Nc6 { [%eval 0.38] [%clk 0:16:06] } 8. Qe2 { [%eval 0.4] [%clk 0:16:04] } 8... Nge7 { [%eval 0.48] [%clk 0:16:12] } 9. Be3 { [%eval 0.54] [%clk 0:16:12] } 9... O-O { [%eval 0.51] [%clk 0:16:00] } 10. O-O-O { [%eval 0.5] [%clk 0:16:17] } 10... b5 { [%eval 0.44] [%clk 0:15:53] } 11. Bxa7 { [%eval 0.48] [%clk 0:15:05] } 11... Rxa7 { [%eval 0.47] [%clk 0:16:01] } 12. e5 { [%eval 0.0] [%clk 0:15:12] } 12... b4 { [%eval 0.06] [%clk 0:16:03] } 13. Na4 { [%eval 0.0] [%clk 0:14:45] } 13... Nd5 { [%eval 0.04] [%clk 0:15:46] } 14. g3 { [%eval 0.01] [%clk 0:13:49] } 14... d6 { [%eval -0.1] [%clk 0:15:00] } 15. Qe4 { [%eval -0.19] [%clk 0:12:45] } 15... g6 { [%eval -0.15] [%clk 0:14:50] } 16. exd6 { [%eval -0.17] [%clk 0:12:43] } 16... Qxd6 { [%eval -0.2] [%clk 0:14:57] } 17. h4 { [%eval -0.24] [%clk 0:12:41] } 17... Ne5 { [%eval 0.0] [%clk 0:13:47] } 18. h5 { [%eval 0.12] [%clk 0:12:09] } 18... Rc7 { [%eval 0.13] [%clk 0:13:55] } 19. Be2 { [%eval 0.16] [%clk 0:07:14] } 19... Bb7? { [%eval 1.57] } { Mistake. Nd7 was best. } { [%clk 0:12:46] } 20. Nac5 { [%eval 1.33] [%clk 0:06:41] } 20... Ba8?! { [%eval 1.99] } { Inaccuracy. Bc8 was best. } { [%clk 0:11:05] } 21. hxg6?? { [%eval 0.0] } { Blunder. f4 was best. } { [%clk 0:06:24] } 21... Nxg6 { [%eval 0.16] [%clk 0:10:22] } 22. Qd4?! { [%eval -0.74] } { Inaccuracy. Nxa6 was best. } { [%clk 0:05:32] } 22... e5 { [%eval -0.74] [%clk 0:09:31] } 23. Ne4 { [%eval -0.86] [%clk 0:04:03] } 23... Qe7 { [%eval -0.87] [%clk 0:09:00] } 24. Qd2 { [%eval -0.76] [%clk 0:03:55] } 24... Ndf4?! { [%eval -0.17] } { Inaccuracy. Nc3 was best. } { [%clk 0:09:08] } 25. f3 { [%eval -0.11] [%clk 0:03:20] } 25... Bxe4 { [%eval 0.09] [%clk 0:07:44] } 26. fxe4 { [%eval 0.19] [%clk 0:03:28] } 26... Nxe2+ { [%eval 0.16] [%clk 0:07:49] } 27. Qxe2 { [%eval 0.2] [%clk 0:03:37] } 27... Rfc8 { [%eval 0.31] [%clk 0:07:58] } 28. Rd2 { [%eval 0.29] [%clk 0:03:18] } 28... a5 { [%eval 0.15] [%clk 0:08:07] } 29. Qb5 { [%eval -0.01] [%clk 0:01:45] } 29... a4 { [%eval 0.21] [%clk 0:07:41] } 30. Qxa4 { [%eval 0.23] [%clk 0:01:44] } 30... Ra7 { [%eval 0.22] [%clk 0:07:50] } 31. Qb5 { [%eval 0.33] [%clk 0:01:50] } 31... Rxa2 { [%eval 0.33] [%clk 0:07:55] } 32. Kb1 { [%eval 0.0] [%clk 0:01:44] } 32... Rca8 { [%eval 0.49] [%clk 0:07:45] } 33. Rd7 { [%eval 0.5] [%clk 0:01:37] } 33... Qe6?! { [%eval 1.45] } { Inaccuracy. Qe8 was best. } { [%clk 0:06:08] } 34. Rf1 { [%eval 1.29] [%clk 0:01:45] } 34... Ne7 { [%eval 1.24] [%clk 0:05:31] } 35. Qb7? { [%eval 0.0] } { Mistake. Rfd1 was best. } { [%clk 0:00:54] } 35... Kf8 { [%eval 0.2] [%clk 0:04:49] } 36. Qc7?? { [%eval -4.36] } { Blunder. Rfd1 was best. } { [%clk 0:00:55] } 36... Ra1+ { [%eval -3.71] [%clk 0:03:57] } 37. Nxa1 { [%eval -4.38] [%clk 0:00:57] } 37... Qa2+ { [%eval -3.94] [%clk 0:04:06] } 38. Kc1 { [%eval -4.14] [%clk 0:01:06] } 38... Qxa1+ { [%eval -4.38] [%clk 0:04:15] } 39. Kd2 { [%eval -4.32] [%clk 0:01:16] } 39... Qxf1 { [%eval -4.23] [%clk 0:04:23] } 40. Rd8+ { [%eval -4.37] [%clk 0:00:43] } 40... Rxd8+ { [%eval -4.38] [%clk 0:04:31] } 41. Qxd8+ { [%eval -4.68] [%clk 0:00:52] } 41... Kg7 { [%eval -4.58] [%clk 0:04:40] } 42. Qxe7 { [%eval -4.56] [%clk 0:01:01] } 42... Qf2+ { [%eval -4.62] [%clk 0:04:46] } 43. Kd1 { [%eval -4.37] [%clk 0:01:09] } 43... Qf3+ { [%eval -4.79] [%clk 0:04:17] } 44. Kd2 { [%eval -4.73] [%clk 0:01:08] } 44... Qxg3 { [%eval -4.48] [%clk 0:04:15] } 45. Qxb4 { [%eval -3.64] [%clk 0:01:04] } 45... h5 { [%eval -4.1] [%clk 0:04:24] } 46. Qc3?? { [%eval -30.5] } { Blunder. Ke2 was best. } { [%clk 0:00:20] } 46... Qxc3+ { [%eval -13.12] [%clk 0:04:14] } 47. bxc3 { [%eval -24.01] [%clk 0:00:28] } 47... h4 { [%eval -65.44] [%clk 0:04:22] } 48. Ke3 { [%eval -26.22] [%clk 0:00:38] } 48... f5 { [%eval -83.08] [%clk 0:04:31] } 49. exf5 { [%eval -19.28] [%clk 0:00:37] } 49... h3 { [%eval -73.88] [%clk 0:04:35] } 50. Kf2?! { [%eval #-19] } { Checkmate is now unavoidable. Kf3 was best. } { [%clk 0:00:19] } 50... e4 { [%eval -78.06] [%clk 0:04:44] } 0-1