Calvin John Klaasen (born 1987) is a South African chess player who holds the title of FIDE Master. Together with Johannes Mabusela he won the 2017 South African Closed Championships, and has played for the South African Chess Olympiad team in 2016 and 2018. See also Chess in South Africa References External links Calvin Klaasen chess games at 365Chess.com Living people South African chess players Chess FIDE Masters Chess Olympiad competitors Place of birth missing (living people) 1987 births