TOOLS
Free chess tools, no signup.
Small utilities that do one job well. Every tool is free with no account required.
Elo Calculator →
Predict your rating change before you play. Standard FIDE expectancy math with adjustable K-factor.
Board Editor →
Set up any position and take its FEN to the analysis board for a full coach review.
Chess Clock →
A clean online timer for over-the-board practice. Tap or Space to switch, increment-aware.
Need the full picture, not one position?
Run the whole game through the analyzer with coach, grades and win probability.
Review a full game