Alekhine and Lasker plays bridge

Sitting from left to right: Landau, unknown (with the back to the camera), Alekhine, Lasker, and Maroczy. Tartakower is kiebitzing in the background.

The photo was published (and taken?) after the 7th game in the World championship match between Alekhine and Euwe. At the time Alekhine had a clear lead with 5-2.

Landau was Alekhine’s official second while Maroczy was Euwe’s.