Tigran Vartanovich Petrosian vs Laszlo Szabo - Portoroz Interzonal 1958.08.08
Tigran Vartanovich Petrosian vs Laszlo Szabo
Portoroz Interzonal Portoroz SLO round 3 1958.08.08
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 1/2-1/2
Tigran Vartanovich Petrosian vs Laszlo Szabo
Portoroz Interzonal Portoroz SLO round 3 1958.08.08
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 1/2-1/2