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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
Fun🧠
How smart is your chess rating? A fun (and totally unscientific) way to flex your rating.
Latest from ChessGrandMonkey
Erdogmus Becomes Youngest Ever to Break 2700 After Crushing Topalov 5-1 in Monte Carlo
14-year-old Turkish prodigy Yagiz Kaan Erdogmus demolished former world champion Veselin Topalov 5-1 in a six-game classical match in Monte Carlo, becoming the youngest player in history to surpass the 2700 FIDE rating barrier.
Chess.com Open 2026: Carlsen, Sindarov, and 14 More Battle for $234K and Esports World Cup Spots
The Chess.com Open playoffs kick off April 23 with a stacked 16-player field. Sindarov plays his first event since winning the Candidates. Carlsen headlines. Top 3 qualify for the $1.5M Esports World Cup in Riyadh.
European Championship Finale: Three Players Tied at 8/10 Going Into the Last Round in Katowice
David Anton Guijarro, Nijat Abasov, and Aydin Suleymanli head into the final round of the 2026 European Individual Championship all tied on 8/10. Twenty World Cup spots are on the line. The tournament that started with a bloodbath at the top ends with a three-way sprint.
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