[Event "44th OKU 2017"] [Site "Utrecht NED"] [Date "2017.06.09"] [Round "1.5"] [White "Lalic,B"] [Black "De Groot,Pieter"] [Result "1-0"] [WhiteElo "2445"] [BlackElo "2097"] [ECO "E06"] [Opening "Catalan: Closed, 5.Nf3"] 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Rd1 b6 9.Nc3 Bb7 10.b3 Rc8 11.e4 dxe4 12.Nxe4 Nxe4 13.Qxe4 Qe8 14.Bb2 Rc7 15.Qc2 Qc8 16.Bc1 Qa8 17.Bf4 Rcc8 18.c5 Rfd8 19.b4 Nf8 20.h4 bxc5 21.bxc5 a5 22.h5 h6 23.Ne5 Bf6 24.Rab1 Bxe5 25.dxe5 Rxd1+ 26.Rxd1 a4 27.Rd6 Qa5 28.Bd2 Qa7 29.a3 Qa8 30.Bb4 Rc7 31.Qd2 Rc8 32.Qd1 Re8 33.Be4 Nh7 34.Bc2 f6 35.Bxh7+ Kxh7 36.exf6 {#r} 1-0