There were only four Swiss system tournaments in men's tournament history (1975, 1976, 1977, and 1979)  and seven in women's (1959, 1965, 1966, 1975, 1976, 1977, 1978). Twice (1937 men and 1962 women) final tournaments attracted international players, however in 1962 medals were awarded only to Polish women players. Twice women's championship (1960 and 1963) as the Polish crew tournament took place (it is signed by *) in the Winners table).
Only four men's Swiss system tournaments took place between 1975 and 1979, while seven women's tournaments were held from 1959 to 1978.  In 1962, the final tournament attracted international players, but only Polish women received medals. The women's championship was a Polish crew tournament in 1960 and 1963.