Information of the world /
Players / Calendar
/ Problems
/ Games Players
___________________________________________________________________________________________________________________

![]()
IM (International Master)
1926 –
Champion – UKRAINIAN
CHAMPIONSHIP.
20/09/1929 –
Champion – USSR CHAMPIONSHIP.
Partides /
Games / Partidas
- chessgames.com
/ 365chess.com
Wikipedia - Català / English / Español / Українська / Pусский