Elo Rating Over Time
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 1973 Season | |||||||||
| 18 | -5.7 | 1,932 | 1,926 | Overheating | Iso Marlboro | Kyalami | Mar 03, 1973 | Round 3 | |
| 1971 Season | |||||||||
| 22 | -66.7 | 1,999 | 1,932 | Engine | Brabham | Kyalami | Mar 06, 1971 | Round 1 | |
| 1968 Season | |||||||||
| 10 | +76.9 | 1,922 | 1,999 | Not classified | Brabham-Climax | Kyalami | Jan 01, 1968 | Round 1 | |
| 1965 Season | |||||||||
| 27 | -78.2 | 2,000 | 1,922 | Did not prequalify | LDS-Alfa Romeo | Prince George Circuit | Jan 01, 1965 | Round 1 | |