The most famous chess world champions were undoubtly Garry Kasparov, Anatoly Karpov and Bobby Fischer, at this time chess was at its apogee before that its popularity starts to slowly decrease, mainly because of the new computer supremacy with Deep Blue. Then chess engines running on home computers became able to beat every grandmaster and programs like Fritz, Shredder, Junior, Hiarcs or Rybka gained elo points year after year. Nowadays more and more people play chess through the internet and several websites run correspondence chess world championships, such as ICCF, FICGS or IECG. Correspondence chess started with postal chess before to be played via email, finally server chess appeared and almost completely replaced the other ways to play it as it was the most secure and fastest way to send a move.
The FICGS correspondence chess world championship is played in 5 stages, it is basically a knockout tournament imitating the old classical OTB chess world championship, but it also includes a round-robin tournament so that all players get a chance to play the current champion. Here are 4 games of the current final match where a move has been played recently.