Elo Rating Over Time
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 1975 Season | |||||||||
| 14 | +80.4 | 1,792 | 1,873 | +2 Laps |
|
Kyalami | Mar 01, 1975 | Round 3 | |
| 1974 Season | |||||||||
| 19 | +31.9 | 1,754 | 1,786 | +7 Laps |
|
Kyalami | Mar 30, 1974 | Round 3 | |
| 1973 Season | |||||||||
| 22 | -5.2 | 1,752 | 1,746 | Accident | Team Lotus | Kyalami | Mar 03, 1973 | Round 3 | |
| 1972 Season | |||||||||
| 26 | -32.4 | 1,776 | 1,744 | Physical | Team Lotus | Nürburgring | Jul 30, 1972 | Round 8 | |
| 22 | -3.5 | 1,780 | 1,776 | Gearbox | Team Lotus | Brands Hatch | Jul 15, 1972 | Round 7 | |
| 25 | -51.0 | 1,831 | 1,780 | Did not qualify | Team Lotus | Charade Circuit | Jul 02, 1972 | Round 6 | |
| 26 | -66.8 | 1,898 | 1,831 | Fuel pump | Team Lotus | Kyalami | Mar 04, 1972 | Round 2 | |
| 1971 Season | |||||||||
| 22 | -54.0 | 1,948 | 1,894 | Engine | Lotus-Ford | Silverstone Circuit | Jul 17, 1971 | Round 6 | |
| 19 | -31.8 | 1,980 | 1,948 | Engine | Brabham | Kyalami | Mar 06, 1971 | Round 1 | |
| 1970 Season | |||||||||
| 12 | +42.1 | 1,938 | 1,980 | Engine | Team Lotus | Kyalami | Mar 07, 1970 | Round 1 | |
| 1968 Season | |||||||||
| 22 | -69.8 | 2,003 | 1,934 | Differential | Brabham-Repco | Kyalami | Jan 01, 1968 | Round 1 | |
| 1967 Season | |||||||||
| 7 | +89.1 | 1,914 | 2,003 | Not classified | Brabham-Climax | Kyalami | Jan 02, 1967 | Round 1 | |
| 1965 Season | |||||||||
| 28 | -90.9 | 2,000 | 1,909 | Did not prequalify | Lotus-Ford | Prince George Circuit | Jan 01, 1965 | Round 1 | |