Franciscus Antonius Kuijpers vs Mikhail Botvinnik - Amsterdam IBM 1966.07.09
Franciscus Antonius Kuijpers vs Mikhail Botvinnik
Amsterdam IBM Amsterdam NED round 5 1966.07.09
Pirc Defense: Austrian Attack 0-1
Franciscus Antonius Kuijpers vs Mikhail Botvinnik
Amsterdam IBM Amsterdam NED round 5 1966.07.09
Pirc Defense: Austrian Attack 0-1