Erik Ruben Lundin vs Karl Helling - Prague Olympiad 1931.07.20
Erik Ruben Lundin vs Karl Helling
Prague Olympiad Prague CSR round 12 1931.07.20
Grünfeld Defense: Exchange Variation, Classical Variation 1/2-1/2
Erik Ruben Lundin vs Karl Helling
Prague Olympiad Prague CSR round 12 1931.07.20
Grünfeld Defense: Exchange Variation, Classical Variation 1/2-1/2