1953 Zurich
1 • Zerkoff •- R1 Szabo-Geller
- R1 Najdorf-Reshevsky
- R1 Petrosian-Keres
- R1 Averbakh-Smyslov
- Zerkoff
Zerkoff's Study
1 • Zerkoff •- Pourkashiyan, Atousa - Bharath, Subramaniyam H
- Mendonca, Leon Luke - Rakhmangulova, Anastasiya
- Ajay, Santhosh Parvathareddy - Petkov, Momchil
- Kocsmar, Akos - Mirza, Diana
- Zerkoff