Efimka's Study
1 • Efimka •- Vasily Smyslov - Iosif Rudakovsky
- Evgeny Terpugov - David Bronstein
- Efimka
cbd
1 • Efimka •- Harry Nelson Pillsbury - Jackson Whipps Showalter
- Semen Abramovich Furman - Janis Klovans
- Mikhail Botvinnik - Paul Keres
- Mikhail Botvinnik - Bent Larsen
- Efimka
Efimka's Study
1 • Efimka •- Chapter 1
- Rafael Vaganian - Dragoljub Velimirovic
- Efim Geller - Dragoljub Velimirovic
- Efimka
bogo qe7
1 • Efimka •- Vladislav Ivanovich Tkachiev - Viktor Korchnoi
- Sanan Sjugirov - Josep Oms Pallisse
- Avrukh lines
- main catalan
- Efimka