[Event "44th OKU 2017"] [Site "Utrecht NED"] [Date "2017.06.09"] [Round "1.4"] [White "Piet,J"] [Black "Ten Hertog,H"] [Result "0-1"] [WhiteElo "2070"] [BlackElo "2457"] [ECO "A04"] [Opening "Reti: 1...g6"] 1.Nf3 g6 2.g3 Bg7 3.d4 d6 4.Bg2 Nf6 5.O-O O-O 6.a4 Nc6 7.a5 e5 8.Nc3 e4 9.Nd2 d5 10.e3 Re8 11.Ne2 Ne7 12.b4 h5 13.h4 a6 14.Ba3 Bg4 15.Qe1 Nf5 16.c4 c6 17.Rc1 Bh6 18.Rc3 Kg7 19.Nb3 g5 20.hxg5 Bxg5 21.Nf4 Bxf4 22.exf4 h4 23.Qc1 h3 24.Bh1 h2+ 25.Kxh2 Rh8+ 26.Kg1 Rxh1+ 27.Kxh1 Qh8+ 28.Kg1 Bf3 29.Rxf3 Ng4 30.Rd1 Qh2+ 31.Kf1 exf3 {#R} 0-1