Polugaevsky, Lev - Tahl, Mikhail

Campeonato URSS, Moscú 1969

1.c4 Cf6 2.Cc3 e6 3.Cf3 d5 4.d4 c5 5.cxd5 Cxd5 6.e4 Cxc3 7.bxc3 cxd4 8.cxd4 Ab4+ 9.Ad2 Axd2+ 10.Dxd2 0–0 11.Ac4 Cc6 12.0–0 b6 13.Tad1 Ab7 14.Tfe1 Ca5 15.Ad3 Tc8 16.d5 exd5 17.e5 Cc4 18.Df4 Cb2 19.Axh7+ Rxh7 20.Cg5+ Rg6 21.h4 Tc4 22.h5+ Rh6 23.Cxf7+ Rh7 24.Df5+ Rg8 25.e6 Df6 26.Dxf6 gxf6 27.Td2 Tc6 28.Txb2 Te8 29.Ch6+ Rh7 30.Cf5 Texe6 31.Txe6 Txe6 32.Tc2 Tc6 33.Te2 Ac8 34.Te7+ Rh8 35.Ch4 f5 36.Cg6+ Rg8 37.Txa7 1–0

Después de 18...Cb2