Cto. mundo sub 20, Basel 1959

1.e4 c5 2.Cf3 d6 3.d4 cxd4 4.Cxd4 Cf6 5.Cc3 a6 6.Ag5 e6 7.Df3 Ad7 8.0–0–0 Cc6 9.Dg3 Cxd4 10.Txd4 Da5 11.Ae2 Ac6 12.f4 h6 13.Axf6 gxf6 14.Dh4 f5 15.exf5 Dxf5 16.Ad3 Dc5 17.f5 Ae7 18.f6 Af8 19.Ae4 d5 20.Af3 0–0–0 21.Thd1 Td7 22.Tg4 Rb8 23.De1 Ad6 24.Tg7 Tc8 25.h4 d4 26.Ce4 Dxc2+ 27.Rxc2 Axe4+ 0–1

Después de 26.Ce4