Pigott beat Vaganian!
Vaganian - Pigott, London 1975, simul
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ Nbd7 9.e5 dxe5 10.fxe5 Nh5 11.e6 fxe6 12.Nf3 exd5 13.O-O O-O 14.Qxd5+ Kh8 15.Bg5 Ndf6 16.Qxc5 Bf5 17.Rad1 Qa5 18.Nd4 Rac8 19.Qe7 Bg4 20.Rd2 a6 (see diagram) White has 69 moves here. 21.h3 axb5 22.hxg4 Nxg4 23.Rxf8+ Rxf8 24.Qe6 Nhf6 25.Bxf6 Nxf6 26.Ndxb5 Qb4 27.Qd6 Qh4 28.Re2 Ng4 29.g3 Rf1+ and White resigned.
http://www.xs4all.nl/~timkr/chess2/diary_10.htm
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ Nbd7 9.e5 dxe5 10.fxe5 Nh5 11.e6 fxe6 12.Nf3 exd5 13.O-O O-O 14.Qxd5+ Kh8 15.Bg5 Ndf6 16.Qxc5 Bf5 17.Rad1 Qa5 18.Nd4 Rac8 19.Qe7 Bg4 20.Rd2 a6 (see diagram) White has 69 moves here. 21.h3 axb5 22.hxg4 Nxg4 23.Rxf8+ Rxf8 24.Qe6 Nhf6 25.Bxf6 Nxf6 26.Ndxb5 Qb4 27.Qd6 Qh4 28.Re2 Ng4 29.g3 Rf1+ and White resigned.
http://www.xs4all.nl/~timkr/chess2/diary_10.htm
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