Event: Round 1: Paul Velten - Ming Yao Gavin Koh
Date: 2023-12-13
White: Paul Velten
WhiteTitle: GM
WhiteElo: 2481
Black: Ming Yao Gavin Koh
BlackElo: 2001
Result: 1-0
ECO: D05
Opening: Queen's Pawn Game: Colle System
Variant: Standard

1. d4 { [%eval 0.0] } 1... Nf6 { [%eval 0.17] } 2. Nf3 { [%eval 0.12] } 2... d5 { [%eval 0.25] } 3. e3 { [%eval 0.08] } 3... e6 { [%eval 0.0] } 4. Bd3 { [%eval 0.0] } 4... Be7 { [%eval 0.0] } 5. Nbd2 { [%eval 0.0] } 5... O-O { [%eval 0.08] } 6. a3 { [%eval 0.03] } 6... b6 { [%eval 0.04] } 7. e4 { [%eval -0.12] } 7... dxe4 { [%eval -0.15] } 8. Nxe4 { [%eval -0.12] } 8... Bb7 { [%eval -0.12] } 9. Nxf6+ { [%eval -0.28] } 9... Bxf6 { [%eval -0.22] } 10. h4 { [%eval -0.22] } 10... Nc6 { [%eval 0.0] } 11. Be3 { [%eval 0.11] } 11... g6 { [%eval 0.6] } 12. Be4 { [%eval 0.66] } 12... Rb8 { [%eval 1.07] } 13. h5 { [%eval 0.94] } 13... e5 { [%eval 1.35] } 14. hxg6 { [%eval 1.09] } 14... hxg6 { [%eval 1.06] } 15. d5 { [%eval 0.96] } 15... Ne7? { [%eval 2.15] } { Mistake. Nd4 was best. } 16. Bh6? { [%eval 0.78] } { Mistake. Ng5 was best. } 16... Re8 { [%eval 1.14] } 17. c4?! { [%eval 0.2] } { Inaccuracy. Nd2 was best. } 17... Qd6? { [%eval 1.61] } { Mistake. Bc8 was best. } 18. b4? { [%eval 0.4] } { Mistake. Ng5 was best. } 18... Rbd8 { [%eval 0.92] } 19. Qc2?! { [%eval 0.25] } { Inaccuracy. Rc1 was best. } 19... b5?! { [%eval 0.98] } { Inaccuracy. Bc8 was best. } 20. c5 { [%eval 1.03] } 20... Qa6 { [%eval 1.21] } 21. c6 { [%eval 1.1] } 21... Bc8 { [%eval 0.92] } 22. Ng5?! { [%eval 0.03] } { Inaccuracy. Qa2 was best. } 22... Bf5? { [%eval 1.3] } { Mistake. Nf5 was best. } 23. g4 { [%eval 0.96] } 23... Bxe4 { [%eval 0.78] } 24. Nxe4 { [%eval 1.21] } 24... Nxd5 { [%eval 1.0] } 25. Rd1?! { [%eval -0.05] } { Inaccuracy. f3 was best. } 25... Be7 { [%eval -0.05] } 26. Rd3 { [%eval -0.47] } 26... Nf6 { [%eval -0.42] } 27. Rdh3 { [%eval -0.69] } 27... Nxe4 { [%eval -0.5] } 28. Qxe4 { [%eval -0.39] } 28... Rd4?? { [%eval 4.18] } { Blunder. Qa4 was best. } 29. Qf3 { [%eval 4.06] } 29... f6? { [%eval 8.84] } { Mistake. Red8 was best. } 30. Bg5? { [%eval 4.74] } { Mistake. Qb3+ was best. } 30... Red8?? { [%eval #5] } { Checkmate is now unavoidable. Kf7 was best. } 31. Rh8+ { [%eval #4] } 31... Kf7 { [%eval #4] } 32. R1h7+ { [%eval #3] } 1-0