Elo Rating Over Time
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 1972 Season | |||||||||
| 16 | -4.4 | 2,009 | 2,004 | Spun off | Surtees | Kyalami | Mar 04, 1972 | Round 2 | |
| 1971 Season | |||||||||
| 21 | -95.1 | 2,104 | 2,009 | Differential | March-Ford | Kyalami | Mar 06, 1971 | Round 1 | |
| 1970 Season | |||||||||
| 8 | +47.6 | 2,060 | 2,107 | +2 Laps | Team Lotus | Kyalami | Mar 07, 1970 | Round 1 | |
| 1969 Season | |||||||||
| 16 | -94.6 | 2,156 | 2,062 | Ignition | Lotus-Ford | Kyalami | Mar 01, 1969 | Round 1 | |
| 1968 Season | |||||||||
| 9 | +24.0 | 2,137 | 2,161 | +5 Laps | Brabham-Repco | Kyalami | Jan 01, 1968 | Round 1 | |
| 1967 Season | |||||||||
| 2 | +127.2 | 2,014 | 2,141 | Finished | Cooper-Climax | Kyalami | Jan 02, 1967 | Round 1 | |
| 1965 Season | |||||||||
| 19 | -4.0 | 2,019 | 2,015 | Halfshaft | Cooper-Climax | Prince George Circuit | Jan 01, 1965 | Round 1 | |
| 1964 Season | |||||||||
| 23 | -122.4 | 2,142 | 2,020 | Did not qualify | Cooper-Climax | Autodromo Nazionale di Monza | Sep 06, 1964 | Round 8 | |
| 1963 Season | |||||||||
| 9 | +63.0 | 2,083 | 2,146 | +5 Laps | Cooper-Climax | Prince George Circuit | Dec 28, 1963 | Round 10 | |
| 1962 Season | |||||||||
| 8 | +85.9 | 2,000 | 2,086 | +4 Laps | Cooper-Climax | Prince George Circuit | Dec 29, 1962 | Round 9 | |