Event: European Individual Chess Championship 2021 - Reykjavik Open
Site: Reykjavik, Iceland
Date: 2021-08-31
White: Gudnyjarson, Sigurdur Pall
WhiteElo: 1207
Black: Koellner, Aaron Noah
BlackElo: 2248
Result: 0-1
ECO: D17
Opening: Slav Defense: Czech Variation
Variant: Standard

1. d4 { [%eval 0.0] } 1... d5 { [%eval 0.23] } 2. c4 { [%eval 0.0] } 2... c6 { [%eval 0.28] } 3. Nf3 { [%eval 0.25] } 3... Nf6 { [%eval 0.36] } 4. Nc3 { [%eval 0.0] } 4... dxc4 { [%eval 0.2] } 5. a4 { [%eval 0.13] } 5... Bf5 { [%eval 0.5] } 6. Bg5?! { [%eval -0.33] } { Inaccuracy. Ne5 was best. } 6... Nbd7 { [%eval -0.17] } 7. e3 { [%eval -0.1] } 7... h6 { [%eval 0.2] } 8. Bh4 { [%eval 0.08] } 8... Qb6 { [%eval -0.18] } 9. Qd2 { [%eval 0.08] } 9... e6 { [%eval 0.25] } 10. Bxc4 { [%eval 0.07] } 10... Bb4 { [%eval 0.22] } 11. O-O { [%eval 0.28] } 11... a5 { [%eval 0.3] } 12. Bd3 { [%eval 0.19] } 12... Bg4 { [%eval 0.21] } 13. Bxf6 { [%eval 0.0] } 13... gxf6 { [%eval 0.0] } 14. Be2 { [%eval 0.0] } 14... O-O-O { [%eval -0.07] } 15. Ne1 { [%eval 0.0] } 15... h5 { [%eval 0.06] } 16. f3?! { [%eval -0.7] } { Inaccuracy. h3 was best. } 16... Bf5 { [%eval -0.76] } 17. e4? { [%eval -2.26] } { Mistake. Bd3 was best. } 17... Bg6?! { [%eval -1.28] } { Inaccuracy. e5 was best. } 18. Qd3?? { [%eval -5.16] } { Blunder. Kh1 was best. } 18... Ne5 { [%eval -5.13] } 19. Qe3 { [%eval -5.02] } 19... Rxd4 { [%eval -4.72] } 20. Nc2?! { [%eval -6.77] } { Inaccuracy. Kh1 was best. } 20... Bc5 { [%eval -6.47] } 21. Kh1 { [%eval -6.88] } 21... Rxe4 { [%eval -6.71] } 22. Qd2 { [%eval -6.89] } 22... Rxe2 { [%eval -6.61] } 23. Qxe2 { [%eval -8.15] } 23... Bd3 { [%eval -8.45] } 24. Qd1 { [%eval -8.38] } 24... Bxf1 { [%eval -8.25] } 25. Qxf1 { [%eval -8.46] } 25... Qxb2 { [%eval -8.58] } 26. Ne4 { [%eval -8.6] } 26... Qxc2 { [%eval -7.38] } 27. Rc1 { [%eval -7.47] } 27... Qd3 { [%eval -7.3] } 28. Nxc5 { [%eval -7.13] } 28... Qxf1+ { [%eval -7.37] } 29. Rxf1 { [%eval -7.14] } 29... Rd8 { [%eval -7.27] } 30. Rb1 { [%eval -7.4] } 30... b5 { [%eval -6.3] } 31. h3 { [%eval -8.37] } 31... h4 { [%eval -6.06] } 32. axb5 { [%eval -6.07] } 32... cxb5 { [%eval -4.84] } 33. Rxb5 { [%eval -4.95] } 33... Rd1+ { [%eval -4.32] } 34. Kh2 { [%eval -4.5] } 34... Nc4? { [%eval -2.67] } { Mistake. Nc6 was best. } 35. Ne4 { [%eval -2.99] } 35... Ne3?! { [%eval -1.76] } { Inaccuracy. Rd5 was best. } 36. Rxa5 { [%eval -1.83] } 36... f5 { [%eval -1.62] } 37. Ng5?? { [%eval #-7] } { Checkmate is now unavoidable. Nf2 was best. } 37... f4 { [%eval #-8] } 38. Nxf7 { [%eval #-3] } 38... Nf1+ { [%eval #-2] } 39. Kg1 { [%eval #-2] } 39... Ng3+ { [%eval #-1] } 40. Kf2 { [%eval #-1] } 40... Rf1# 0-1