A chess grandmaster has attained a FIDE rating of 2500 and satisfied additional requirements, such as doing well in tournaments.<ref>https://www.chess.com/blog/BossOfMass/how-to-become-a-chess-grandmaster</ref>
A chess grandmaster has attained a FIDE rating of 2500 and satisfied additional requirements, such as doing well in tournaments.<ref>https://www.chess.com/blog/BossOfMass/how-to-become-a-chess-grandmaster</ref>
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Top, highly competitive grandmasters train from 4 to 7 hours a day on an expensive computer capable of running sophisticated chess programs, and the top players compete in a dozen or so tournaments each year.<ref>https://www.wsj.com/articles/a-day-in-the-life-of-chess-grandmaster-fabiano-caruana-1532526822</ref>
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Prize money is scarce: the top prize in the 2018 Candidates tournament was only €95,000, which selected who would play the reigning world champion, and it was the largest purse the winner had ever earned. In the world championship itself in 2018, the winner took €600,000 while the loser took €400,000.