[Event "corr."] [Site "masterchessopen.com Netherlands"] [Round "0"] [White "Roos Piet"] [Black "Boom Wim H (NED)"] [Result "1-0"] [BlackElo "2175"] [ECO "C17"] [Opening "French: Winawer, 5.a3"] 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 Nbc6 8.Nf3 Qa5 9.Bd2 Bd7 10.Be2 c4 11.Ng5 O-O 12.O-O f6 13.exf6 Rxf6 14.Bg4 h6 15.Nh3 Qc7 16.f4 Raf8 17.Qe2 Nf5 18.Nf2 Nce7 19.Bc1 Re8 20.Ba3 Qxf4 21.Bh5 Rff8 22.Bxe8 Rxe8 23.Ng4 Qc7 24.Ne5 Nc6 25.Nxc6 Bxc6 26.Qh5 Kh7 27.g4 {#r} 1-0