Willem Andreas Theodorus Schelfhout vs Gerrit Willem Kloosterboer
NED-ch Utrecht NED round 4 1926.07.22
French Defense: Diemer-Duhm Gambit 1/2-1/2

Adolf Georg Olland vs Gerrit Willem Kloosterboer
NED-ch Utrecht NED round 2 1926.07.20
Scandinavian Defense 0-1