[Event "corr."] [Site "masterchessopen.com – Belgium"] [Round "0"] [White "Maas"] [Black "Opsommer"] [Result "1-0"] [ECO "C61"] [Opening "Spanish: Bird's, 5.O-O"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O Bc5 6.d3 c6 7.Bc4 d5 8.Bb3 Ne7 9.f4 h5 10.Nd2 g6 11.Qe1 Kf8 12.Nf3 Kg7 13.f5 gxf5 14.Nh4 fxe4 15.dxe4 Rg8 16.exd5 cxd5 17.Qe5+ Kf8 18.Qf6 {#r} 1-0