Event: Round 4: Mihnea Costachi - Constantin Lupulescu
Date: 2023-12-02
White: Mihnea Costachi
Black: Constantin Lupulescu
Result: 0-1
ECO: D38
Opening: Queen's Gambit Declined: Ragozin Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 0:15:18] } 1... Nf6 { [%eval 0.28] [%clk 0:15:19] } 2. Nf3 { [%eval 0.12] [%clk 0:15:08] } 2... d5 { [%eval 0.25] [%clk 0:15:26] } 3. c4 { [%eval 0.18] [%clk 0:15:16] } 3... e6 { [%eval 0.17] [%clk 0:15:35] } 4. Nc3 { [%eval 0.0] [%clk 0:15:23] } 4... Bb4 { [%eval 0.15] [%clk 0:15:43] } 5. cxd5 { [%eval 0.14] [%clk 0:15:14] } 5... exd5 { [%eval 0.0] [%clk 0:15:51] } 6. Bg5 { [%eval 0.15] [%clk 0:15:23] } 6... h6 { [%eval 0.25] [%clk 0:15:41] } 7. Bh4 { [%eval 0.17] [%clk 0:14:53] } 7... O-O { [%eval 0.09] [%clk 0:15:47] } 8. e3 { [%eval 0.35] [%clk 0:14:44] } 8... Bf5 { [%eval 0.26] [%clk 0:15:52] } 9. Qb3 { [%eval 0.19] [%clk 0:14:35] } 9... Bxc3+ { [%eval 0.14] [%clk 0:16:00] } 10. Qxc3 { [%eval 0.14] [%clk 0:14:35] } 10... Nbd7 { [%eval 0.14] [%clk 0:15:08] } 11. Ne5 { [%eval -0.05] [%clk 0:12:40] } 11... g5 { [%eval -0.03] [%clk 0:13:09] } 12. Bg3 { [%eval -0.04] [%clk 0:10:25] } 12... Ne4 { [%eval -0.12] [%clk 0:13:09] } 13. Qb3? { [%eval -1.5] } { Mistake. Qa5 was best. } { [%clk 0:10:34] } 13... c5 { [%eval -1.62] [%clk 0:10:19] } 14. Qxb7?? { [%eval -8.44] } { Blunder. Qa4 was best. } { [%clk 0:09:36] } 14... Qa5+ { [%eval -7.15] [%clk 0:08:50] } 15. b4 { [%eval -8.89] [%clk 0:09:31] } 15... Qa3 { [%eval -8.29] [%clk 0:08:53] } 16. Nxd7? { [%eval #-3] } { Checkmate is now unavoidable. Rd1 was best. } { [%clk 0:00:31] } 16... Qc3+ { [%eval #-2] [%clk 0:08:56] } 17. Ke2 { [%eval #-2] [%clk 0:00:41] } 17... Bg4+ { [%eval #-1] [%clk 0:08:59] } 0-1