Margeir Petursson vs Sergei Tiviakov - GMA World Cup Open 1989.05.??
Margeir Petursson vs Sergei Tiviakov
GMA World Cup Open Moscow URS round 3 1989.05.??
Nimzo-Indian Defense: Classical Variation, Berlin Variation 1/2-1/2
Margeir Petursson vs Sergei Tiviakov
GMA World Cup Open Moscow URS round 3 1989.05.??
Nimzo-Indian Defense: Classical Variation, Berlin Variation 1/2-1/2