Toulo de Graffenried
Intermediate
A
1487
Current ELO Rating
Career Span
6
years
1950 - 1956
Races
22
Total Grand Prix starts
Rating Volatility
29.5
Performance consistency measure
Confidence Score
83
/100
Rating reliability measure
Career ELO Rating Progression
ELO Rating by Team
Top Teammate Comparisons
| Teammate | Races | Win % | Avg Δ ELO |
|---|---|---|---|
| Juan Fangio | 13 | 30.8% | -23.5 |
| Felice Bonetto | 10 | 20.0% | -93.9 |
| Onofre Marimón | 8 | 50.0% | -31.5 |
| Prince Bira | 7 | 14.3% | -22.6 |
| Harry Schell | 7 | 42.9% | -81.0 |
Performance by Era
Rating Confidence Analysis
Confidence Interval
95% confidence interval: 1365 - 1608
Rating Volatility Analysis
Shows very consistent performance across their career.