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IM (International Master)
1938 –
Sub-Champion – DUTCH
CHAMPIONSHIP.
1939 – Champion
– INTERNATIONAL OF WIJK AAN ZEE.
1941 –
Sub-Champion – INTERNATIONAL OF WIJK AAN ZEE.
1954 –
Sub-Champion – DUTCH
CHAMPIONSHIP.
1958 –
Sub-Champion – DUTCH
CHAMPIONSHIP.
Partides
/ Games /
Partidas - chessgames.com / 365chess.com
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