Elo Rating Over Time
1974 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 27 | -15.5 | 1,830 | 1,814 | Did not qualify | Surtees | Mosport International Raceway | Sep 22, 1974 | Round 14 | |
| 28 | -25.0 | 1,855 | 1,830 | Did not qualify | Surtees | Autodromo Nazionale di Monza | Sep 08, 1974 | Round 13 | |
| 28 | -30.7 | 1,886 | 1,855 | Did not qualify | Surtees | Red Bull Ring | Aug 18, 1974 | Round 12 | |
| 11 | +112.6 | 1,773 | 1,886 | Finished | Surtees | Nürburgring | Aug 04, 1974 | Round 11 | |
| 27 | +10.9 | 1,762 | 1,773 | Did not qualify | Surtees | Brands Hatch | Jul 20, 1974 | Round 10 |
1972 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 31 | -52.4 | 1,814 | 1,762 | Engine | Tecno | Watkins Glen | Oct 08, 1972 | Round 12 | |
| 27 | -60.9 | 1,875 | 1,814 | Did not qualify | Tecno | Autodromo Nazionale di Monza | Sep 10, 1972 | Round 10 | |
| 25 | -60.5 | 1,936 | 1,875 | Engine | Tecno | Nürburgring | Jul 30, 1972 | Round 8 |
1971 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 20 | -36.9 | 1,973 | 1,936 | Suspension | Surtees | Silverstone Circuit | Jul 17, 1971 | Round 6 |
1970 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 6 | +139.4 | 1,833 | 1,973 | +1 Lap | Surtees | Watkins Glen | Oct 04, 1970 | Round 12 | |
| 17 | -37.6 | 1,871 | 1,833 | Gearbox | Brabham | Circuit de Spa-Francorchamps | Jun 07, 1970 | Round 4 |
1969 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 16 | -34.0 | 1,905 | 1,871 | Suspension | McLaren-Ford | Silverstone Circuit | Jul 19, 1969 | Round 6 |
1968 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 19 | -50.7 | 1,956 | 1,905 | Engine |
|
Watkins Glen | Oct 06, 1968 | Round 11 | |
| 19 | -44.3 | 2,000 | 1,956 | Fuel system |
|
Autodromo Nazionale di Monza | Sep 08, 1968 | Round 9 |