[Event "Olympiad"] [Site "masterchessopen.com Helsinki (Finland)"] [Round "4"] [White "Smyslov Vassily (RUS)"] [Black "Prins Lodewijk (NED)"] [Result "1-0"] [WhiteElo "2494"] [BlackElo "2220"] [ECO "E01"] [Opening "Catalan: 4...c5"] 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 c5 5.cxd5 Nxd5 6.Nf3 Nc6 7.O-O Be7 8.e4 Nf6 9.e5 Nd7 10.dxc5 Bxc5 11.Bf4 h6 12.Nc3 g5 13.Be3 Bxe3 14.fxe3 Ndxe5 15.Nxe5 Qxd1 16.Bxc6+ {#r} 1-0