Peter Gelpke vs Paul Boersma
NED-ch Hilversum NED round 4 1985.06.17
Benko Gambit 1/2-1/2

Paul Boersma vs Gert Ligterink
Dutch Championship Hilversum NED round 1 1985.06.14
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 0-1