Free · DUPR-compatible · No account needed
Rating Estimator
Enter ratings and a final score to see expected performance and estimated rating movement — the same logic DUPR uses for close losses and narrow wins.
Not affiliated with DUPR. Estimates only — does not submit ratings.
Expected Score
See what DUPR-style math predicts before you play.
Close Loss Bonus
Understand why a 9–11 loss can still raise your rating.
Win ≠ Gain
Narrow wins against weaker opponents can still drop rating.
Singles & Doubles
Team ratings averaged for doubles matchups.
How it works
1
Enter ratings
Your DUPR rating, opponent rating, and match format.
2
Add the score
Final game score and match type (rec, club, tournament).
3
See expectation
Expected score based on rating gap.
4
Estimate change
Projected rating movement vs your current rating.