Event: European Individual Chess Championship 2021 - Reykjavik Open
Site: Reykjavik, Iceland
Date: 2021-09-02
White: Nielsen, Thomas
WhiteElo: 1953
Black: Thorhallsson, Simon
BlackElo: 2199
Result: 0-1
ECO: E73
Opening: King's Indian Defense: Semi-Averbakh System
Variant: Standard

1. d4 { [%eval 0.0] } 1... Nf6 { [%eval 0.27] } 2. c4 { [%eval 0.11] } 2... g6 { [%eval 0.3] } 3. Nc3 { [%eval 0.17] } 3... Bg7 { [%eval 0.48] } 4. e4 { [%eval 0.67] } 4... d6 { [%eval 0.43] } 5. Be2 { [%eval 0.13] } 5... O-O { [%eval 0.45] } 6. Be3 { [%eval 0.33] } 6... Nc6 { [%eval 0.33] } 7. h3 { [%eval 0.16] } 7... e5 { [%eval 0.03] } 8. d5 { [%eval -0.23] } 8... Nd4 { [%eval -0.06] } 9. Nf3 { [%eval -0.07] } 9... Nxe2 { [%eval -0.09] } 10. Qxe2 { [%eval -0.12] } 10... Nh5 { [%eval -0.12] } 11. g4 { [%eval -0.1] } 11... Nf4 { [%eval -0.2] } 12. Qf1 { [%eval -0.59] } 12... c6 { [%eval -0.71] } 13. O-O-O?! { [%eval -1.24] } { Inaccuracy. Bxf4 was best. } 13... cxd5 { [%eval -1.19] } 14. cxd5 { [%eval -0.93] } 14... Bd7 { [%eval -1.01] } 15. Kb1 { [%eval -0.97] } 15... Qa5 { [%eval -0.47] } 16. Nd2 { [%eval -0.8] } 16... Rfc8 { [%eval -0.32] } 17. Nb3?? { [%eval -2.5] } { Blunder. Rc1 was best. } 17... Qb4 { [%eval -2.67] } 18. f3? { [%eval -4.47] } { Mistake. Qe1 was best. } 18... a5 { [%eval -4.41] } 19. Bd2?! { [%eval -7.3] } { Inaccuracy. Na1 was best. } 19... a4 { [%eval -7.0] } 20. Ne2 { [%eval -7.06] } 20... Qc4 { [%eval -6.54] } 21. Nbc1 { [%eval -8.61] } 21... Qc2+ { [%eval -8.61] } 22. Ka1 { [%eval -8.37] } 22... a3 { [%eval -8.29] } 23. Bxf4? { [%eval #-1] } { Checkmate is now unavoidable. bxa3 was best. } 23... axb2# 0-1