[Event "50th OKU 2025"]
[Site "Utrecht NED"]
[Date "2025.06.01"]
[Round "6.2"]
[White "Mostertman, M"]
[Black "Van de Griendt, JW"]
[Result "0-1"]
[WhiteElo "2226"]
[BlackElo "2361"]
[ECO "C50"]
[PlyCount "84"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 d6 4.c3 g6 5.d4 Bg7 6.O-O h6 7.Bb5 Bd7 8.d5 Nb8 9.Bxd7+ Nxd7 10.c4 Ne7 11.Nc3 f5 12.Ne1 O-O 13.f3 Nf6 14.Nd3 c5 15.a3 Rc8 16.Qe2 a6 17.f4 Nd7 18.Bd2 b5 19.fxe5 dxe5 20.cxb5 axb5 21.Nxb5 Qb6 22.Nf2 fxe4 23.Qc4 Kh7 24.Nxe4 Nf5 25.a4 Nd4 26.Rxf8 Rxf8 27.Rf1 Rxf1+ 28.Kxf1 Qd8 29.Nbc3 Qh4 30.h3 Nf6 31.Nxf6+ Qxf6+ 32.Kg1 e4 33.Be3 Qh4 34.Qf1 Nf5 35.Qf2 Qe7 36.Bxc5 Qg5 37.Qe2 Qc1+ 38.Qf1 Qxb2 39.Nxe4 Qc2 40.Qe1 Qxa4 41.Bf2 Bd4 42.Qd1 Qxd1+ 0-1