Alfonso de Portago
Rookie
C+
1595
Current ELO Rating
Career Span
1
years
1956 - 1957
Races
5
Total Grand Prix starts
Rating Volatility
37.4
Performance consistency measure
Confidence Score
57
/100
Rating reliability measure
Career ELO Rating Progression
ELO Rating by Team
Top Teammate Comparisons
| Teammate | Races | Win % | Avg Δ ELO |
|---|---|---|---|
| Peter Collins | 7 | 57.1% | -56.6 |
| Eugenio Castellotti | 6 | 50.0% | -167.4 |
| Juan Fangio | 5 | 0.0% | -156.8 |
| Luigi Musso | 3 | 66.7% | -7.8 |
| Olivier Gendebien | 1 | 0.0% | -13.1 |
Performance by Era
Rating Confidence Analysis
Confidence Interval
95% confidence interval: 1350 - 1841
Rating Volatility Analysis
Shows very consistent performance across their career.