Jacob Gerard Baay vs Johan Teunis Barendregt
NED-ch sf Nijmegen NED round 3 1948.11.17
Alekhine Defense: Modern Variation, Alekhine Variation 1-0

Franciscus W J Henneberke vs Jacob Gerard Baay
NED-ch sf Nijmegen NED round 4 1948.11.18
Nimzo-Indian Defense: Normal Variation, Bernstein Defense, Exchange Line 1-0

Savielly Tartakower vs Jacob Gerard Baay
Simul, 36b Amsterdam NED 1920.05.29
Nimzo-Indian Defense: Leningrad Variation 0-1