Kny vs Boris Naumovich Gruzman - corr 1973.??.??
Kny vs Boris Naumovich Gruzman
corr 1973.??.??
Bird Opening 0-1
Kny vs Boris Naumovich Gruzman
corr 1973.??.??
Bird Opening 0-1
Yuri Balashov vs Boris Naumovich Gruzman
World Senior 65+ Acqui Terme ITA round 5.7 2017.11.11
Indian Defense: Przepiorka Variation 1-0