In memoriam: Lubomír Kaválek, Czech chess grandmaster who helped Fischer win ‘Match of the Century’

Lubomír Kaválek, an international grandmaster of chess who won national championships in Czechoslovakia and in the United States after defecting to the West in 1968, has died at the age of 77. Once ranked no. 10 in the world, after retiring from international competition he worked to popularise the sport, penning a regular column for The Washington Post for a quarter century.