Elo Rating Over Time
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 1972 Season | |||||||||
| 25 | -27.0 | 1,773 | 1,746 | Accident | BRM | Jarama | May 01, 1972 | Round 3 | |
| 21 | -29.1 | 1,802 | 1,773 | Accident | BRM | Autódromo Juan y Oscar Gálvez | Jan 23, 1972 | Round 1 | |
| 1971 Season | |||||||||
| 23 | -45.9 | 1,848 | 1,802 | Fuel pump | March-Ford | Circuit Paul Ricard | Jul 04, 1971 | Round 5 | |
| 16 | +36.8 | 1,811 | 1,848 | Engine | March-Ford | Circuit Park Zandvoort | Jun 20, 1971 | Round 4 | |
| 21 | -32.2 | 1,843 | 1,811 | Did not qualify | March-Ford | Circuit de Monaco | May 23, 1971 | Round 3 | |
| 16 | +30.9 | 1,812 | 1,843 | Fuel pump | March-Ford | Montjuïc | Apr 18, 1971 | Round 2 | |
| 25 | -61.2 | 1,873 | 1,812 | Engine | March-Ford | Kyalami | Mar 06, 1971 | Round 1 | |
| 1970 Season | |||||||||
| 22 | -51.3 | 1,925 | 1,873 | Did not qualify | Team Lotus | Charade Circuit | Jul 05, 1970 | Round 6 | |
| 22 | -75.3 | 2,000 | 1,925 | Did not qualify | Team Lotus | Jarama | Apr 19, 1970 | Round 2 | |