Boris Koyalovich vs Hans Seyboth
St. Petersburg National t St. Petersburg RUE 1902.??.??
King’s Gambit Accepted 1-0

Peter Romanovsky vs Boris Koyalovich
sf ch Leningrad Leningrad 1930.??.??
English Opening: Anglo-Indian Defense, Grünfeld Formation 1-0

Boris Koyalovich vs Mikhail Chigorin
Rice Gambit theme t St. Petersburg RUE 1905.03.??
King’s Gambit Accepted: Allgaier Gambit 0-1

Kliatskin vs Boris Koyalovich
Match Moscow - Leningrad Moscow URS round 2 1922.08.29
French Defense 1-0

Emmanuel Schiffers vs Boris Koyalovich
St. Petersburg St. Petersburg RUE 1900.??.??
Ruy Lopez 0-1

Boris Koyalovich vs Peter Romanovsky
National 1st Category tournament Petrograd (URS) 1922.??.??
Bird Opening 0-1