[Event "It (open)"] [Site "masterchessopen.com Alkmaar (Netherlands)"] [Round "1"] [White "Siekerman P"] [Black "Van Der Wakker P"] [Result "1-0"] [ECO "C66"] [Opening "Spanish: Closed Berlin"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.Re1 Bd7 6.d4 exd4 7.Nxd4 Ne5 8.Bxd7+ Qxd7 9.Nc3 Be7 10.Nf5 O-O 11.Bg5 Rfe8 12.Bxf6 Bxf6 13.f4 Nc6 14.Qg4 Ne7 15.Nh6+ {#r} 1-0