Elo Rating Over Time
1970 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 22 | -27.2 | 1,952 | 1,925 | Withdrew | Team Lotus | Autodromo Nazionale di Monza | Sep 06, 1970 | Round 10 | |
| 23 | -80.7 | 2,033 | 1,952 | Brakes | Team Lotus | Red Bull Ring | Aug 16, 1970 | Round 9 | |
| 13 | +24.8 | 2,008 | 2,033 | Engine | Team Lotus | Hockenheimring | Aug 02, 1970 | Round 8 | |
| 20 | -66.7 | 2,075 | 2,008 | Engine | Team Lotus | Brands Hatch | Jul 18, 1970 | Round 7 | |
| 8 | +57.7 | 2,017 | 2,075 | Finished | Team Lotus | Charade Circuit | Jul 05, 1970 | Round 6 | |
| 7 | +95.0 | 1,922 | 2,017 | +2 Laps | Team Lotus | Circuit Park Zandvoort | Jun 21, 1970 | Round 5 | |
| 13 | -3.3 | 1,925 | 1,922 | Gearbox | Team Lotus | Circuit de Spa-Francorchamps | Jun 07, 1970 | Round 4 | |
| 20 | -56.5 | 1,982 | 1,925 | Did not qualify | Team Lotus | Circuit de Monaco | May 10, 1970 | Round 3 | |
| 19 | -56.0 | 2,038 | 1,982 | Did not qualify | Team Lotus | Jarama | Apr 19, 1970 | Round 2 | |
| 5 | +114.6 | 1,923 | 2,038 | +1 Lap | Team Lotus | Kyalami | Mar 07, 1970 | Round 1 |
1969 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 16 | -48.4 | 1,972 | 1,923 | Fuel pump | Lotus-Ford | Autódromo Hermanos Rodríguez | Oct 19, 1969 | Round 11 | |
| 11 | +45.5 | 1,926 | 1,972 | Gearbox | Lotus-Ford | Mosport International Raceway | Sep 20, 1969 | Round 9 | |
| 15 | -57.3 | 1,983 | 1,926 | Engine | Lotus-Ford | Autodromo Nazionale di Monza | Sep 07, 1969 | Round 8 | |
| 10 | +35.0 | 1,948 | 1,983 | +9 Laps | Lotus-Ford | Silverstone Circuit | Jul 19, 1969 | Round 6 | |
| 13 | -51.7 | 2,000 | 1,948 | Fuel pump | Lotus-Ford | Charade Circuit | Jul 06, 1969 | Round 5 |