Live · use it at the board
Live Estimator
Add each opponent and log your result as you play. Your estimated rating updates live, with a forecast for the rounds ahead.
Your player
Projected rating
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Enter your current rating to begin.
Rounds
Round 1
Round 2
Forecast
0
Add an upcoming opponent (no result yet) or set rounds-left to see the forecast.
Estimates use the US Chess K-factor and bonus formula. Actual ratings can differ due to provisional games, rating floors, and post-event re-rating. Saved on this device only.