[Event "Olympiad (students) (team)"] [Site "masterchessopen.com Leningrad (Russia)"] [Round "7"] [White "Hallerod Ralph (SWE)"] [Black "Zuidema Coen (NED)"] [Result "0-1"] [WhiteElo "2122"] [BlackElo "2450"] [ECO "E40"] [Opening "Nimzo-Indian: Rubinstein"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.a3 Bxc3+ 7.Nxc3 d5 8.b3 O-O 9.Bd3 c5 10.dxc5 dxc4 11.bxc4 bxc5 12.Ne4 Bxc4 13.Nxc5 Qa5+ 14.Bd2 Qxc5 15.Bb4 Qd5 16.Bxc4 Qxg2 17.Rf1 Rc8 18.Be2 Nc6 19.Bf3 Qg5 20.h4 Qe5 21.Rb1 Rd8 22.Bd2 Ne4 23.Bxe4 Qxe4 24.Rg1 Nd4 {#R} 0-1