[Event "corr."] [Site "masterchessopen.com Netherlands"] [Round "0"] [White "De Klerk A"] [Black "Spieringshoek P"] [Result "0-1"] [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.Nf3 Nbc6 8.a4 Bd7 9.Be2 Qc7 10.O-O f6 11.exf6 gxf6 12.c4 O-O-O 13.Ba3 Nf5 14.Bxc5 dxc4 15.Bxc4 Ncxd4 16.Bxd4 Qxc4 17.Bxf6 Bc6 18.Ne5 Qc5 19.Nd3 Rhg8 20.g3 Nxg3 {#R} 0-1