Elo Rating Over Time
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 1964 Season | |||||||||
| 5 | +152.3 | 1,861 | 2,013 | +3 Laps | Lotus-Climax | Watkins Glen | Oct 04, 1964 | Round 9 | |
| 1963 Season | |||||||||
| 23 | -31.8 | 1,888 | 1,856 | Withdrew | Team Lotus | Autódromo Hermanos Rodríguez | Oct 27, 1963 | Round 9 | |
| 22 | -33.5 | 1,922 | 1,888 | Withdrew | Lotus-Climax | Watkins Glen | Oct 06, 1963 | Round 8 | |
| 1961 Season | |||||||||
| 18 | -83.3 | 2,000 | 1,917 | Accident | Cooper-Climax | Watkins Glen | Oct 08, 1961 | Round 8 | |