[Event "Ch World (team) (under 26) (final B)"] [Site "masterchessopen.com - Dresden (Germany)"] [Date "1969.08.10"] [Round "3"] [White "Sirkia Mauri O (FIN)"] [Black "Wahlbom Magnus (SWE)"] [Result "1-0"] [WhiteElo "2350"] [BlackElo "2288"] [ECO "A60"] [Opening "Benoni: 4.Nc3 exd5 5.cxd5"] 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.e4 Bg7 8.Be2 O-O 9.O-O Bg4 10.Bf4 Re8 11.h3 Nxe4 12.hxg4 Bxc3 13.Bb5 Bxb2 14.Bxe8 Qxe8 15.Re1 f5 16.gxf5 gxf5 17.Ng5 Bxa1 18.Qxa1 Qg6 19.Nxe4 fxe4 20.Re3 Kf7 21.Qh8 Qg8 22.Qb2 Nd7 23.Rg3 Qh8 24.Qxb7 Qc8 25.Qb1 Nf6 26.Bh6 Rb8 27.Rg7+ Ke8 28.Qa1 Qf5 29.Rg5 {#r} 1-0