Event: European Individual Chess Championship 2021 - Reykjavik Open
Site: Reykjavik, Iceland
Date: 2021-08-31
White: Birkisson, Bardur Orn
WhiteElo: 2163
Black: Koellner, Ruben Gideon
BlackElo: 2418
Result: 0-1
ECO: A13
Opening: English Opening: Agincourt Defense, Catalan Defense Accepted
Variant: Standard

1. c4 { [%eval 0.2] } 1... Nf6 { [%eval 0.29] } 2. g3 { [%eval 0.08] } 2... e6 { [%eval 0.4] } 3. Bg2 { [%eval 0.15] } 3... d5 { [%eval 0.2] } 4. Nf3 { [%eval 0.09] } 4... dxc4 { [%eval 0.1] } 5. O-O { [%eval 0.0] } 5... Nbd7 { [%eval 0.17] } 6. Qc2 { [%eval 0.13] } 6... Nb6 { [%eval 0.0] } 7. a4 { [%eval 0.28] } 7... a5 { [%eval -0.21] } 8. Na3 { [%eval -0.35] } 8... Bd7? { [%eval 0.72] } { Mistake. Bxa3 was best. } 9. Nxc4 { [%eval 0.8] } 9... Nxc4 { [%eval 0.8] } 10. Qxc4 { [%eval 0.83] } 10... Bc6 { [%eval 0.64] } 11. d3 { [%eval 0.71] } 11... Bb4 { [%eval 0.73] } 12. e4 { [%eval 0.79] } 12... O-O { [%eval 0.69] } 13. Ne5 { [%eval 0.65] } 13... Be8 { [%eval 0.63] } 14. d4 { [%eval 1.06] } 14... Nd7 { [%eval 0.95] } 15. Nd3 { [%eval 1.03] } 15... Nb6 { [%eval 0.8] } 16. Qb3?! { [%eval 0.0] } { Inaccuracy. Qc2 was best. } 16... Qxd4 { [%eval 0.08] } 17. Be3?! { [%eval -0.87] } { Inaccuracy. Nxb4 was best. } 17... Qc4 { [%eval -0.74] } 18. Qxc4 { [%eval -1.12] } 18... Nxc4 { [%eval -1.04] } 19. Bf4 { [%eval -1.57] } 19... e5 { [%eval -1.49] } 20. Bxe5 { [%eval -1.6] } 20... Nxe5 { [%eval -1.58] } 21. Nxe5 { [%eval -1.36] } 21... Rd8 { [%eval -1.62] } 22. Rfc1 { [%eval -1.63] } 22... f6 { [%eval -1.73] } 23. Nc4 { [%eval -1.87] } 23... c6 { [%eval -1.69] } 24. Rd1? { [%eval -3.0] } { Mistake. Bf1 was best. } 24... Bf7 { [%eval -2.99] } 25. Bf1 { [%eval -3.0] } 25... Bh5 { [%eval -3.12] } 26. Rxd8 { [%eval -2.79] } 26... Rxd8 { [%eval -3.31] } 27. e5 { [%eval -3.2] } 27... Rd1 { [%eval -3.31] } 28. Rxd1 { [%eval -3.18] } 28... Bxd1 { [%eval -2.99] } 29. exf6 { [%eval -3.42] } 29... gxf6 { [%eval -3.38] } 30. Nb6 { [%eval -3.29] } 30... Bc5 { [%eval -3.25] } 31. Nd7? { [%eval -5.14] } { Mistake. Nc4 was best. } 31... Bd4 { [%eval -5.12] } 32. Bc4+ { [%eval -5.1] } 32... Kg7 { [%eval -5.17] } 33. b3 { [%eval -5.76] } 33... Bg4 { [%eval -5.71] } 34. Nb8 { [%eval -5.84] } 34... Ba7 { [%eval -5.69] } 0-1