Erich Cohn vs Johannes Hjalmar Giersing
Stockholm Stockholm SWE round 9 1912.07.04
London System: Poisoned Pawn Variation 1-0

Johannes Hjalmar Giersing vs Carl Schlechter
Stockholm Stockholm SWE round 3 1906.02.14
Sicilian Defense: Closed 0-1

Johannes Hjalmar Giersing vs Jacob Gemzoe
DEN-ch Horsens DEN 1928.??.??
English Opening: Symmetrical Variation, Double Fianchetto 0-1

Johannes Hjalmar Giersing vs Otto Loewenborg
Nordic Congress 8th Kristiania NOR round 8 1917.06.??
Caro-Kann Defense 1-0