Elo Rating Over Time
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 1976 Season | |||||||||
| 19 | +17.5 | 1,950 | 1,968 | Gearbox | Brabham-Ford | Brands Hatch | Jul 18, 1976 | Round 9 | |
| 24 | -37.5 | 1,988 | 1,950 | Did not qualify | Team Lotus | Long Beach | Mar 28, 1976 | Round 3 | |
| 10 | +67.4 | 1,920 | 1,988 | +1 Lap | Team Lotus | Kyalami | Mar 06, 1976 | Round 2 | |
| 1975 Season | |||||||||
| 26 | -52.4 | 1,973 | 1,920 | Electrical | BRM | Autodromo Nazionale di Monza | Sep 07, 1975 | Round 13 | |
| 25 | -46.0 | 2,019 | 1,973 | Engine | BRM | Red Bull Ring | Aug 17, 1975 | Round 12 | |
| 17 | +0.8 | 2,018 | 2,019 | +2 Laps | BRM | Circuit Paul Ricard | Jul 06, 1975 | Round 9 | |
| 22 | -62.7 | 2,081 | 2,018 | Differential | BRM | Circuit Park Zandvoort | Jun 22, 1975 | Round 8 | |
| 13 | +24.4 | 2,056 | 2,081 | +2 Laps | BRM | Scandinavian Raceway | Jun 08, 1975 | Round 7 | |
| 9 | +68.9 | 1,987 | 2,056 | +2 Laps | BRM | Zolder | May 25, 1975 | Round 6 | |
| 22 | -42.7 | 2,030 | 1,987 | Did not qualify | BRM | Circuit de Monaco | May 11, 1975 | Round 5 | |
| 17 | -1.2 | 2,031 | 2,030 | Fuel system | BRM | Montjuïc | Apr 27, 1975 | Round 4 | |
| 15 | +31.3 | 2,000 | 2,031 | +2 Laps | BRM | Kyalami | Mar 01, 1975 | Round 3 | |