[Event "Koelle 2023"]
[Site "BMI, Ballarat"]
[Date "2023-11-02"]
[White "van Riel,Bas"]
[Black "Harrison,Harrison"]
[WhiteElo "1725"]
[BlackElo "1532"]
[Result "1-0"]

1.e4 g6 2.d4 e6 3.c4 Ne7 4.Nc3 d5 5.Bg5 dxe4 6.Bf6 Rg8 7.Nxe4 Nd7 8.Qa4 {BvR. Harrison's opening experiment looked very creative (as always), but not at all promising. Still the engine rated it (sursprising to me) only +0.5 advantage for white. After 8...Bh6 followed by Kf8. 
If not for the following blunder, I am sure that only Harrison would be capable to wriggle out of such a seemingly lost position, if he is in top-form.} c6?? 9.Nd6#