Elo Rating Over Time
1971 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 15 | +18.0 | 1,986 | 2,004 | +5 Laps | BRM | Mosport International Raceway | Sep 19, 1971 | Round 10 |
1970 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 23 | -66.1 | 2,052 | 1,986 | Engine | BRM | Watkins Glen | Oct 04, 1970 | Round 12 | |
| 10 | +37.1 | 2,015 | 2,052 | +5 Laps | BRM | Circuit Mont-Tremblant | Sep 20, 1970 | Round 11 | |
| 14 | +34.4 | 1,981 | 2,015 | Overheating | BRM | Autodromo Nazionale di Monza | Sep 06, 1970 | Round 10 | |
| 11 | +58.7 | 1,922 | 1,981 | +2 Laps | BRM | Red Bull Ring | Aug 16, 1970 | Round 9 | |
| 21 | -48.5 | 1,970 | 1,922 | Oil pressure | BRM | Brands Hatch | Jul 18, 1970 | Round 7 | |
| 12 | +42.4 | 1,928 | 1,970 | +2 Laps | BRM | Charade Circuit | Jul 05, 1970 | Round 6 | |
| 14 | +37.9 | 1,890 | 1,928 | Oil leak | BRM | Circuit Park Zandvoort | Jun 21, 1970 | Round 5 | |
| 19 | -33.2 | 1,923 | 1,890 | Did not qualify | BRM | Circuit de Monaco | May 10, 1970 | Round 3 | |
| 21 | -62.0 | 1,985 | 1,923 | Did not qualify | BRM | Jarama | Apr 19, 1970 | Round 2 | |
| 16 | -5.9 | 1,991 | 1,985 | Engine | BRM | Kyalami | Mar 07, 1970 | Round 1 |
1969 Season
| # | Elo | Old | New | Status | Circuit | Date | Race | ||
|---|---|---|---|---|---|---|---|---|---|
| 14 | -36.8 | 2,028 | 1,991 | Gearbox | BRM | Autódromo Hermanos Rodríguez | Oct 19, 1969 | Round 11 | |
| 10 | +27.9 | 2,000 | 2,028 | Engine | BRM | Watkins Glen | Oct 05, 1969 | Round 10 |