Elo Rating Over Time
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 1973 Season | |||||||||
| 18 | -7.9 | 1,934 | 1,926 | Overheating | Iso Marlboro | Kyalami | Mar 03, 1973 | Round 3 | |
| 1971 Season | |||||||||
| 22 | -70.4 | 2,000 | 1,930 | Engine | Brabham | Kyalami | Mar 06, 1971 | Round 1 | |
| 1968 Season | |||||||||
| 10 | +73.4 | 1,927 | 2,000 | Not classified | Brabham-Climax | Kyalami | Jan 01, 1968 | Round 1 | |
| 1965 Season | |||||||||
| 27 | -80.4 | 2,000 | 1,920 | Did not prequalify | LDS-Alfa Romeo | Prince George Circuit | Jan 01, 1965 | Round 1 | |