[Event "It (open)"] [Site "masterchessopen.com Haarlem (Netherlands)"] [Round "1"] [White "Riemersma Liafbern (NED)"] [Black "Bouma Albert (NED)"] [Result "1-0"] [WhiteElo "2415"] [BlackElo "1986"] [ECO "D17"] [Opening "Slav: Czech Defence"] 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O 9.Qe2 Bg6 10.Rd1 Nbd7 11.Ne5 Ne4 12.Nxg6 Nxc3 13.bxc3 Bxc3 14.Ra3 hxg6 15.Rxc3 Nb6 16.Bb3 Qe7 17.e4 Qb4 18.Rh3 Nxa4 19.Qg4 Rfe8 20.Qh4 {#r} 1-0