Ortvin Sarapu, Estonian-New Zealand chess player and author (b. 1924)

Ortvin Sarapu (born Ortvin Sarapuu; 22 January 1924 – 13 April 1999), known in New Zealand as "Mr Chess", was an Estonian-born chess player who emigrated to New Zealand and won or shared the New Zealand Chess Championship 20 times from 1952 to 1990.