ICCF Diamond Jubilee Webserver World Cup 18 – event organized by Polish Correspondence Chess Federation in tribute to Witold Bielecki (1947-2008) – former president of the Polish Correspondence Chess Federation and Polish delegate to ICCF – started on 2011-10-30 and finished on 2019-07-16. The duration of the World Cup was 7 years 8 months and […]