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Chess Tools
Free calculators used by thousands of players every month
ELO Rating Converter
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Convert ratings between Chess.com, Lichess, FIDE and more. See how your rating translates across platforms.
Percentile Calculator
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Find out where you rank among chess players. Are you in the top 10%? Top 1%? Let's find out.
Chess IQ Calculator
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How smart is your chess rating? A fun (and totally unscientific) way to flex your rating.
Latest from ChessGrandMonkey
Norway Chess 2026 Preview: Carlsen and Gukesh Meet Again as Tournament Moves to Oslo
Norway Chess moves from Stavanger to Oslo for its 14th edition, with Magnus Carlsen hosting Gukesh, Keymer, Firouzja, Pragg, and So at the Deichman Bjørvika library. The women's event features equal prize money for the first time, with World Champion Ju Wenjun and defending champion Anna Muzychuk headlining. Here's everything you need to know.
Keymer Wins GCT Bucharest: First Grand Chess Tour Title After Final-Round Victory Over Van Foreest
Vincent Keymer clinched his first Grand Chess Tour title with a decisive final-round win over Jorden van Foreest in Bucharest. The 21-year-old German finished on 6/9, half a point ahead of Fabiano Caruana, who missed a chance to force tiebreaks when he failed to spot a winning tactic against MVL.
GCT Bucharest: Caruana, Keymer, and Van Foreest Tied for First as Firouzja's Injury Shakes Up the Tournament
Seven rounds into the Super Chess Classic Romania and three players share the lead at 4½/7. But the headlines belong to Alireza Firouzja, who played two games from a hotel bed before withdrawing with an ankle injury, and to Praggnanandhaa, who ended Sindarov's 53-game unbeaten streak on day two.
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