Yuri Balashov vs Paul de Rooi
Hoogovens-B Beverwijk NED round 10 1965.01.23
King’s Indian Defense: Larsen Variation 1-0

Marjan Ankerst vs Paul de Rooi
Hoogovens-B Beverwijk NED round 2 1963.01.18
Sicilian Defense: Accelerated Dragon 1/2-1/2