[Event "It (open)"] [Site "Haarlem (Netherlands)"] [Round "4"] [White "Kuijf Marinus (NED)"] [Black "Pijpers Peter"] [Result "1-0"] [WhiteElo "2425"] [ECO "B04"] [Opening "Alekhine: Modern, 4...Nc6"] 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Nc6 5.c4 Nb6 6.exd6 exd6 7.h3 Be7 8.Bd3 Nb4 9.Be2 Bf5 10.Na3 O-O 11.O-O d5 12.c5 Nc4 13.Nxc4 dxc4 14.Ne1 Bf6 15.Be3 Nc6 16.Nf3 Nb4 17.Bxc4 Nc2 18.Rc1 Nxe3 19.fxe3 Be4 20.Bd3 Bxf3 21.Qxf3 Qe7 22.Rce1 b6 23.Qf5 {#r} 1-0