Karl Wilhelm Rosenkrantz vs Leonid Kubbel
Match Moscow-Leningrad (chemists) URS 1926.??.??
Caro-Kann Defense: Exchange Variation 1-0

Sven Jacob Dahl vs Leonid Kubbel
Match Stockholm - Leningrad Stockholm SWE round 1 1926.11.06
Alekhine Defense 0-1