Participant of

Belgium vs. Netherlands, Antwerp
Match O’Kelly de Galway vs. van den Berg, Noordwijk
World chess tournament, Amsterdam
International rapid tournament, Leiden
13th olimpiad, Munich
International tournament, Haifa/Tel Aviv
21st Hoogoven tournament, Beverwijk
Match Netherlands vs. Belgium, Deventer
Nimzowitsch memorial, Zürich
2nd IBM tournament, Amsterdam
25th Hoogoven tournament, Beverwijk
26th Hoogoven tournament, Beverwijk