Event: Round 2: Kovalenko, Igor - Ferreira, Jorge Viterbo
Site: https://lichess.org/broadcast/european-corporate-chess-championship-2025/round-2/prOKn8iP/lOU4Ul2F
Date: 2025-11-06
White: Kovalenko, Igor
WhiteTitle: GM
WhiteElo: 2601
Black: Ferreira, Jorge Viterbo
BlackTitle: GM
BlackElo: 2427
Result: 1/2-1/2
ECO: D37
Opening: Queen's Gambit Declined: Barmen Variation
Variant: Standard
TimeControl: 15+5

1. Nf3 { [%eval 0.1] [%clk 0:15:08] } 1... Nf6 { [%eval 0.18] [%clk 0:15:08] } 2. c4 { [%eval 0.12] [%clk 0:15:11] } 2... e6 { [%eval 0.21] [%clk 0:15:10] } 3. Nc3 { [%eval 0.2] [%clk 0:15:15] } 3... d5 { [%eval 0.14] [%clk 0:15:12] } 4. d4 { [%eval 0.08] [%clk 0:15:18] } 4... Nbd7 { [%eval 0.27] [%clk 0:14:50] } 5. cxd5 { [%eval 0.19] [%clk 0:15:21] } 5... exd5 { [%eval 0.24] [%clk 0:14:53] } 6. h3 { [%eval -0.05] [%clk 0:15:22] } 6... Bb4 { [%eval -0.01] [%clk 0:13:55] } 7. a3 { [%eval -0.06] [%clk 0:15:08] } 7... Bxc3+ { [%eval -0.13] [%clk 0:13:34] } 8. bxc3 { [%eval 0.0] [%clk 0:15:12] } 8... c5 { [%eval 0.0] [%clk 0:12:47] } 9. e3?! { [%eval -0.67] } { Inaccuracy. Bf4 was best. } { [%clk 0:15:10] } 9... Qa5 { [%eval -0.17] [%clk 0:12:21] } 10. Bd2 { [%eval -0.29] [%clk 0:15:08] } 10... c4 { [%eval -0.27] [%clk 0:11:34] } 11. Qb1 { [%eval -0.5] [%clk 0:14:35] } 11... O-O { [%eval -0.51] [%clk 0:10:54] } 12. Qb4 { [%eval -0.9] [%clk 0:13:42] } 12... Qc7 { [%eval -0.66] [%clk 0:10:18] } 13. Be2 { [%eval -0.84] [%clk 0:13:35] } 13... a5 { [%eval -0.95] [%clk 0:08:45] } 14. Qb5 { [%eval -0.91] [%clk 0:12:45] } 14... b6?! { [%eval -0.33] } { Inaccuracy. Re8 was best. } { [%clk 0:08:15] } 15. a4 { [%eval -0.58] [%clk 0:12:44] } 15... Ba6 { [%eval -0.57] [%clk 0:08:01] } 16. Qb1 { [%eval -0.41] [%clk 0:12:35] } 16... b5 { [%eval -0.54] [%clk 0:07:48] } 17. axb5 { [%eval -0.39] [%clk 0:12:38] } 17... Rfb8 { [%eval -0.41] [%clk 0:07:51] } 18. O-O { [%eval -0.47] [%clk 0:10:49] } 18... Bxb5 { [%eval -0.49] [%clk 0:07:49] } 19. Qc2 { [%eval -0.58] [%clk 0:10:29] } 19... Bc6 { [%eval -0.57] [%clk 0:06:44] } 20. Bc1 { [%eval -0.95] [%clk 0:10:19] } 20... Ne4 { [%eval -0.91] [%clk 0:06:37] } 21. Nd2 { [%eval -0.66] [%clk 0:09:57] } 21... Ndf6 { [%eval -0.69] [%clk 0:06:03] } 22. Nxe4 { [%eval -0.79] [%clk 0:05:56] } 22... Nxe4 { [%eval -0.81] [%clk 0:06:05] } 23. Bf3 { [%eval -0.84] [%clk 0:06:00] } 23... Ng5 { [%eval -0.75] [%clk 0:03:44] } 24. Bg4 { [%eval -0.98] [%clk 0:05:45] } 24... Bd7?! { [%eval -0.19] } { Inaccuracy. Ne4 was best. } { [%clk 0:03:26] } 25. Bf5 { [%eval -0.56] [%clk 0:01:57] } 25... Qc8 { [%eval -0.68] [%clk 0:03:05] } 26. Bxd7 { [%eval -0.42] [%clk 0:01:39] } 26... Qxd7 { [%eval -0.5] [%clk 0:03:09] } 27. f3 { [%eval -0.41] [%clk 0:01:25] } 27... h6 { [%eval -0.21] [%clk 0:01:47] } 28. e4 { [%eval -0.3] [%clk 0:01:23] } 28... a4 { [%eval -0.16] [%clk 0:01:48] } 29. e5 { [%eval -0.23] [%clk 0:01:15] } 29... Rb3 { [%eval -0.36] [%clk 0:01:46] } 30. h4?! { [%eval -0.95] } { Inaccuracy. Bxg5 was best. } { [%clk 0:01:14] } 30... Nh7 { [%eval -0.94] [%clk 0:01:46] } 31. Ba3 { [%eval -0.99] [%clk 0:01:04] } 31... f5?! { [%eval 0.0] } { Inaccuracy. Nf8 was best. } { [%clk 0:01:10] } 32. Rfe1 { [%eval 0.0] [%clk 0:00:43] } 32... Qe6 { [%eval 0.0] [%clk 0:00:59] } 33. f4 { [%eval -0.43] [%clk 0:00:44] } 33... Nf8 { [%eval -0.03] [%clk 0:00:55] } 34. h5 { [%eval 0.0] [%clk 0:00:43] } 34... Nd7 { [%eval 0.29] [%clk 0:00:48] } 35. Re3?? { [%eval -1.88] } { Blunder. g4 was best. } { [%clk 0:00:47] } 35... Ra6?? { [%eval 0.4] } { Blunder. Nf6 was best. } { [%clk 0:00:44] } 36. Rg3 { [%eval 0.0] [%clk 0:00:43] } 36... Qf7 { [%eval 0.0] [%clk 0:00:45] } 37. Qe2 { [%eval 0.0] [%clk 0:00:43] } 37... Nf8 { [%eval 0.0] [%clk 0:00:44] } 38. Qf3?! { [%eval -0.62] } { Inaccuracy. Bxf8 was best. } { [%clk 0:00:41] } 38... Rab6?? { [%eval 2.24] } { Blunder. Ne6 was best. } { [%clk 0:00:34] } 39. Kh2?? { [%eval 0.0] } { Blunder. Bxf8 was best. } { [%clk 0:00:41] } 39... R3b5?? { [%eval 1.82] } { Blunder. Ne6 was best. } { [%clk 0:00:17] } 40. Bb4?? { [%eval 0.0] } { Blunder. Bxf8 was best. } { [%clk 0:00:44] } 40... Ra6 { [%eval 0.11] [%clk 0:00:18] } 41. Ba3 { [%eval -0.03] [%clk 0:00:19] } 41... Ne6 { [%eval 0.0] [%clk 0:00:18] } 42. Rg6 { [%eval 0.0] [%clk 0:00:23] } 42... Nc7?? { [%eval 2.36] } { Blunder. Ra8 was best. } { [%clk 0:00:19] } 43. Rd6?? { [%eval 0.0] } { Blunder. Rxa6 was best. } { [%clk 0:00:10] } 43... Rb3? { [%eval 1.51] } { Mistake. Rxd6 was best. } { [%clk 0:00:13] } 44. Bb4? { [%eval 0.0] } { Mistake. e6 was best. } { [%clk 0:00:12] } 44... Rxd6 { [%eval 0.0] [%clk 0:00:06] } 45. exd6 { [%eval 0.0] [%clk 0:00:16] } 45... Nb5? { [%eval 1.38] } { Mistake. Ne8 was best. } { [%clk 0:00:09] } 46. Re1 { [%eval 1.35] [%clk 0:00:08] } 46... Rxb4?? { [%eval 4.68] } { Blunder. Nxd4 was best. } { [%clk 0:00:11] } 47. Re7 { [%eval 4.88] [%clk 0:00:12] } 47... Qf6 { [%eval 4.59] [%clk 0:00:06] } 48. Qxd5+ { [%eval 4.54] [%clk 0:00:16] } 48... Kh7 { [%eval 4.81] [%clk 0:00:10] } 49. cxb4 { [%eval 4.22] [%clk 0:00:18] } 49... Nxd6 { [%eval 4.79] [%clk 0:00:12] } 50. Re6 { [%eval 4.74] [%clk 0:00:21] } 50... Qh4+ { [%eval 4.66] [%clk 0:00:11] } 51. Kg1 { [%eval 4.19] [%clk 0:00:25] } 51... c3 { [%eval 4.98] [%clk 0:00:10] } 52. Rxd6?? { [%eval 0.0] } { Blunder. Qxd6 was best. } { [%clk 0:00:22] } 52... Qe1+ { [%eval 0.0] [%clk 0:00:14] } 53. Kh2 { [%eval 0.0] [%clk 0:00:20] } 1/2-1/2