Your Friendly Chess Companion
Tools, ratings, and analysis to level up your chess game. No sign-up required, no nonsense - just useful stuff that works.
Chess Tools
Free calculators used by thousands of players every month
ELO Rating Converter
Popular🔄
Convert ratings between Chess.com, Lichess, FIDE and more. See how your rating translates across platforms.
Percentile Calculator
Popular📊
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
Sigeman 2026 Round 4: Erdogmus Takes Sole Lead as Van Foreest Stuns Carlsen in 88-Move Epic
Three decisive games shattered the five-way tie at TePe Sigeman Chess 2026. Yagiz Kaan Erdogmus won his second straight to take sole first with 3/4, while Jorden van Foreest upset Magnus Carlsen in a wild 88-move battle full of time-trouble blunders. Zhu Jiner also scored her first win, beating Andy Woodward.
Sigeman 2026 Round 4: Erdogmus Takes Sole Lead as Carlsen Falls to Van Foreest
Yagiz Kaan Erdogmus emerged as the sole leader at TePe Sigeman Chess 2026 after beating Grandelius in 33 moves. Carlsen suffered his first loss of the tournament, going down to Jorden van Foreest in an 88-move Najdorf marathon. Zhu Jiner scored her first win of the event.
Sigeman 2026 Round 4: 14-Year-Old Erdogmus Takes Sole Lead After Van Foreest Stuns Carlsen
Three decisive results blew apart the five-way tie at TePe Sigeman Chess 2026. Yagiz Kaan Erdogmus won again to take sole first on 3/4, while Jorden van Foreest defeated Magnus Carlsen in a chaotic 88-move Najdorf marathon riddled with mutual blunders. Zhu Jiner scored her first win of the tournament against Andy Woodward.
How Good Is Your Rating?
Tap your rating to see how you compare to other players
♟️
Start improving your chess today
Whether you are a complete beginner or a seasoned club player, there is always room to grow. Play, learn, and track your progress.