Information of the World / Players
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Problems
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IM (International Master)
1954 –
Champion – INTERNATIONAL OF WIJK AAN ZEE.
1955 –
Sub-Champion – INTERNATIONAL OF WIJK AAN ZEE.
1967 –
Sub-Champion – DUTCH
CHAMPIONSHIP.
Partides
/ Games /
Partidas - chessgames.com / 365chess.com
Wikipedia
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