Tigran Vartanovich Petrosian vs Yuri Averbakh - Moscow Training 1966.01.??
Tigran Vartanovich Petrosian vs Yuri Averbakh Moscow Training Moscow URS round 4 1966.01.?? French Defense: Diemer-Duhm Gambit 1-0
Tigran Vartanovich Petrosian vs Yuri Averbakh Moscow Training Moscow URS round 4 1966.01.?? French Defense: Diemer-Duhm Gambit 1-0