Efim Geller vs Josif Yefimovich Vatnikov
URS-ch sf Kiev USSR 1950.??.??
Sicilian Defense: Sozin Attack, Main Line 1-0

Georgios Alexopoulos vs Josif Yefimovich Vatnikov
New York open New York, NY USA round 4 1993.04.??
Dresden Opening: The Goblin 1-0