Event: Round 8: Matthias Roeder - Tomas Sosa
Date: 2023-09-01
White: Matthias Roeder
Black: Tomas Sosa
Result: 0-1
ECO: B06
Opening: Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Declined
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 1:30:54] } 1... g6 { [%eval 0.56] [%clk 1:25:03] } 2. e4 { [%eval 0.5] [%clk 1:28:52] } 2... c5 { [%eval 0.64] [%clk 1:25:20] } 3. c4 { [%eval 0.55] [%clk 1:27:25] } 3... Bg7 { [%eval 0.56] [%clk 1:24:58] } 4. d4 { [%eval 0.56] [%clk 1:27:36] } 4... d6 { [%eval 0.77] [%clk 1:24:45] } 5. Be2 { [%eval 0.36] [%clk 1:22:55] } 5... Qa5+ { [%eval 0.47] [%clk 1:16:57] } 6. Nc3 { [%eval 0.5] [%clk 1:20:29] } 6... Bg4 { [%eval 0.49] [%clk 1:11:59] } 7. d5 { [%eval 0.14] [%clk 1:19:04] } 7... Bxc3+ { [%eval 0.32] [%clk 1:07:31] } 8. bxc3 { [%eval 0.12] [%clk 1:19:27] } 8... Nf6 { [%eval 0.46] [%clk 1:05:50] } 9. Qb3 { [%eval -0.06] [%clk 1:07:43] } 9... Nxe4 { [%eval 0.25] [%clk 0:57:20] } 10. Nd2?? { [%eval -1.42] } { Blunder. h3 was best. } { [%clk 1:02:13] } 10... Nxd2 { [%eval -1.46] [%clk 0:47:18] } 11. Bxd2 { [%eval -1.44] [%clk 0:59:44] } 11... Bxe2 { [%eval -1.44] [%clk 0:46:40] } 12. Qxb7 { [%eval -1.72] [%clk 0:59:41] } 12... Bxc4 { [%eval -2.12] [%clk 0:46:20] } 13. Qxa8 { [%eval -1.71] [%clk 0:59:49] } 13... Qb6 { [%eval -1.9] [%clk 0:34:11] } 14. a4? { [%eval -4.06] } { Mistake. f3 was best. } { [%clk 0:52:32] } 14... O-O { [%eval -4.72] [%clk 0:31:09] } 15. f4?! { [%eval -6.03] } { Inaccuracy. Rd1 was best. } { [%clk 0:46:44] } 15... Ba6 { [%eval -4.95] [%clk 0:29:05] } 16. a5 { [%eval -5.8] [%clk 0:45:16] } 16... Qb5 { [%eval -6.24] [%clk 0:28:02] } 17. Kd1 { [%eval -7.08] [%clk 0:45:22] } 17... Qb2 { [%eval -7.25] [%clk 0:27:59] } 18. Rc1 { [%eval -7.24] [%clk 0:45:37] } 18... Qb3+ { [%eval -7.12] [%clk 0:28:22] } 19. Ke1 { [%eval -7.2] [%clk 0:45:51] } 19... Qc4 { [%eval -7.29] [%clk 0:28:48] } 20. Kd1 { [%eval -7.65] [%clk 0:46:04] } 20... Qe2+ { [%eval -5.98] [%clk 0:27:25] } 21. Kc2 { [%eval -6.15] [%clk 0:46:29] } 21... Bd3+ { [%eval -6.24] [%clk 0:27:52] } 0-1