Chess24.com
chess24.com is an Internet chess server in English, Spanish and German established in 2014 by German grandmaster Jan Gustafsson and Enrique Guzman.
Among people collaborating with chess24 are World Champions, Grandmasters and International Masters like Magnus Carlsen, Viswanathan Anand, Peter Svidler, Rustam Kasimdzhanov, Francisco Vallejo,, David Anton Guijarro, Dorsa Derakhshani, Lawrence Trent, and Hou Yifan.
chess24 provides live coverage of major international tournaments. chess24 offers users the option of playing chess against each other using various time controls, playing with modified versions of Stockfish, joining informal online tournaments, as well as watching videos on chess. There are e-books about many chess topics, online chess courses available for members, and a daily news feature.
There is also an option of "going premium" on chess24. Going premium allows deeper Stockfish analysis and also participation in events such as Banter Blitz, which allows Premium members to play with collaborators of chess24.
In March 2019, chess24 joined forces with Magnus Carlsen's company Play Magnus AS in a transaction that made the former chess24 owners the largest shareholders in Play Magnus.Tournaments
From September 2019 to April 2020, chess24 held the first international Banter Blitz Cup, an online blitz chess tournament featuring players such as Magnus Carlsen, Gata Kamsky, Rameshbabu Praggnanandhaa, Parham Maghsoodloo, David Antón Guijarro and Leinier Domínguez with a $50,000 prize pool for players and $5,000 for streamers. It was won by Alireza Firouzja in the final against Magnus Carlsen.
From April to May 2020, chess24 held the Magnus Carlsen Invitational, an online rapid chess tournament which was won by Magnus Carlsen.