[Event "Memorial P.Keres (open)"] [Site "masterchessopen.com – Utrecht (Netherlands)"] [Round "4"] [White "Berkvens Joost (NED)"] [Black "Oosterom Erik (NED)"] [Result "1-0"] [WhiteElo "2268"] [BlackElo "2206"] [ECO "B30"] [Opening "Sicilian: 2...Nc6 3.Nc3"] 1.e4 c5 2.Nf3 Nc6 3.Nc3 e6 4.d4 cxd4 5.Nxd4 Qc7 6.g3 Nf6 7.Ndb5 Qb8 8.Bf4 Ne5 9.Bxe5 Qxe5 10.f4 Qc5 11.e5 Qc6 12.exf6 Qxh1 13.Qd4 Qxh2 14.Ne4 gxf6 15.Qxf6 d5 16.O-O-O Rb8 17.Qxh8 dxe4 18.Rd8+ Kxd8 19.Qxf8+ Kd7 20.Qd6+ Ke8 21.Nc7# 1-0