Elo Rating Over Time
1974 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 24 | -36.6 | 1,996 | 1,959 | Did not qualify | Brabham | Dijon-Prenois | Jul 07, 1974 | Round 9 | |
| 9 | +84.6 | 1,911 | 1,996 | +2 Laps | Brabham | Circuit Park Zandvoort | Jun 23, 1974 | Round 8 | |
| 9 | +99.1 | 1,812 | 1,911 | +1 Lap | Brabham | Scandinavian Raceway | Jun 09, 1974 | Round 7 | |
| 28 | -43.6 | 1,856 | 1,812 | Did not qualify | Brabham | Circuit de Monaco | May 26, 1974 | Round 6 | |
| 27 | -17.5 | 1,873 | 1,856 | Engine | Brabham | Nivelles-Baulers | May 12, 1974 | Round 5 | |
| 23 | -22.4 | 1,896 | 1,873 | Oil leak | Brabham | Jarama | Apr 28, 1974 | Round 4 |
1973 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 25 | -33.1 | 1,929 | 1,896 | Throttle | Ensign | Watkins Glen | Oct 07, 1973 | Round 15 | |
| 20 | -13.5 | 1,942 | 1,929 | Not classified | Ensign | Mosport International Raceway | Sep 23, 1973 | Round 14 | |
| 22 | -38.9 | 1,981 | 1,942 | Overheating | Ensign | Autodromo Nazionale di Monza | Sep 09, 1973 | Round 13 | |
| 14 | +17.5 | 1,964 | 1,981 | Fuel system | Ensign | Red Bull Ring | Aug 19, 1973 | Round 12 | |
| 24 | -77.7 | 2,041 | 1,964 | Withdrew | Ensign | Circuit Park Zandvoort | Jul 29, 1973 | Round 10 | |
| 13 | +35.7 | 2,006 | 2,041 | +6 Laps | Ensign | Silverstone Circuit | Jul 14, 1973 | Round 9 | |
| 15 | +5.8 | 2,000 | 2,006 | +3 Laps | Ensign | Circuit Paul Ricard | Jul 01, 1973 | Round 8 |