Elo Rating Over Time
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 1975 Season | |||||||||
| 14 | +41.1 | 1,890 | 1,931 | Gearbox | Ensign | Watkins Glen | Oct 05, 1975 | Round 14 | |
| 27 | -55.3 | 1,946 | 1,890 | Did not qualify | Ensign | Autodromo Nazionale di Monza | Sep 07, 1975 | Round 13 | |
| 18 | +33.8 | 1,912 | 1,946 | Not classified | Ensign | Red Bull Ring | Aug 17, 1975 | Round 12 | |
| 27 | -64.1 | 1,976 | 1,912 | Did not qualify | Ensign | Silverstone Circuit | Jul 19, 1975 | Round 10 | |
| 23 | -53.2 | 2,029 | 1,976 | Did not qualify | Ensign | Circuit de Monaco | May 11, 1975 | Round 5 | |
| 14 | +29.0 | 2,000 | 2,029 | Transmission | Ensign | Montjuïc | Apr 27, 1975 | Round 4 | |