[Event "Ch World (juniors) (under 20) (final C)"] [Site "masterchessopen.com – Ybbs (Austria)"] [Date "1968.07.20"] [Round "2"] [White "Nathans P"] [Black "Lekander Rolf (SWE)"] [Result "0-1"] [BlackElo "2244"] [ECO "D81"] [Opening "Gruenfeld: Early Russian Variation"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3 dxc4 5.Qxc4 Bg7 6.e4 O-O 7.Be3 c6 8.Rd1 a5 9.Qd3 b5 10.Be2 Nbd7 11.Qc2 Bb7 12.Nf3 Rc8 13.Nd2 Qc7 14.f4 Nb6 15.O-O Rfd8 16.Rc1 Ne8 17.Nf3 e6 18.a4 b4 19.Nb1 Nd7 20.Nbd2 Bf8 21.Nb3 Nef6 22.Nfd2 h5 23.h3 Ne8 24.Nc5 Nxc5 25.dxc5 Nf6 26.Bf2 Qxf4 27.Bd4 Qh6 28.Nf3 Rxd4 29.Nxd4 Qe3+ 30.Kh1 Qxd4 31.Bd3 Nd7 {#R} 0-1