In 1962 at Curaçao , he had serious health problems , having undergone a major operation shortly before the tournament , and had to withdraw three-quarters of the way through , scoring just seven points ( +3 − 10 = 8 ) from 21 games .
In 1962 at Curaçao , he had serious health problems , having undergone a major operation shortly before the tournament , and had to withdraw three-quarters of the way through , scoring just seven points ( +3 -10 = 8 ) from 21 games .