Round 5 · 1971

Circuit Paul Ricard

Le Castellet, France · July 04, 1971 · Circuit History · Wikipedia

The race, in perspective

Race debrief

What did we expect after qualifying—and who beat it?

R051971
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23 stored results 23/23 Elo snapshots 23/23 numbered grid slots 0/23 qualifying results
Elo × qualifying → race result

Did they beat the expectation?

A strong driver recovering from a poor qualifying position isn't automatically a surprise. This model estimates a finish from both inputs, then compares it with what happened.

Experimental · v1

Expected finish assumes a classified finish. DNFs stay in the full grid but receive no performance verdict. Qualifying is not the starting grid; grid differences are flagged, not silently substituted.

This race has insufficient earlier history: 0/20 races and 0/200 classified finishes with Elo and qualifying. Estimates are withheld.

0/23 entrants have an estimate. Missing Elo or qualifying stays visible below; a grid position is not used as a qualifying result.

Top 3

Beat the estimate

No comparable estimates available for this race yet.

Flop 3

Below the estimate

No comparable estimates available for this race yet.

0/23 entrants assessed. Up to three per side, ranked by expected minus actual finish. DNFs, missing estimates and gaps rounding to 0.0 are excluded. “Flop” means below the model's estimate—not poor driving. A ranked gap can still be inside the usual error range.

Full grid: pre-race Elo rank, qualifying position, estimated finish, actual result and difference from expectation. Positive differences mean finishing ahead of the estimate.
DriverPre-race EloQualifyingExpectedResultP1 ← position → P23vs expectedReading
J. StewartTyrrell #32299 No error range P1 Not assessedQualifying unavailable
F. CevertTyrrell #192001 No error range P2 Not assessedQualifying unavailable
E. FittipaldiLotus-Ford #92152 No error range P3 Not assessedQualifying unavailable
J. SiffertBRM #132076 No error range P4 Not assessedQualifying unavailable
C. AmonMatra #112109 No error range P5 Not assessedQualifying unavailable
R. WisellLotus-Ford #182016 No error range P6 Not assessedQualifying unavailable
J. BeltoiseMatra #82195 No error range P7 Not assessedQualifying unavailable
J. SurteesSurtees #72210 No error range P8 Not assessedQualifying unavailable
P. GethinMcLaren #152028 No error range P9 Not assessedQualifying unavailable
H. GanleyBRM #122076 No error range P10 Not assessedQualifying unavailable
R. StommelenSurtees #162028 No error range P11 Not assessedQualifying unavailable
T. SchenkenBrabham #142050 No error range DNFOil pressure Not assessedQualifying unavailable
F. MazetMarch-Ford #20.52000 No error range P13 Not assessedQualifying unavailable
M. JeanMarch-Ford #20.52000 No error range NCNot classified Not assessedQualifying unavailable
H. PescaroloMarch-Ford #102135 No error range DNFGearbox Not assessedQualifying unavailable
G. HillBrabham #172019 No error range DNFOil pipe Not assessedQualifying unavailable
A. de AdamichMarch-Alfa Romeo #221958 No error range DNFEngine Not assessedQualifying unavailable
P. RodríguezBRM #22300 No error range DNFIgnition Not assessedQualifying unavailable
C. RegazzoniFerrari #62240 No error range DNFAccident Not assessedQualifying unavailable
R. PetersonMarch-Alfa Romeo #52248 No error range DNFEngine Not assessedQualifying unavailable
D. HulmeMcLaren #42277 No error range DNFIgnition Not assessedQualifying unavailable
J. IckxFerrari #12447 No error range DNFEngine Not assessedQualifying unavailable
A. Soler-RoigMarch-Ford #231848 No error range DNFFuel pump Not assessedQualifying unavailable
How useful is the model? See the historical check

There is not enough earlier history for a rolling hold-out check yet.

The range scales the 80th percentile of earlier held-out absolute errors to this field size, rounding outward. It is an empirical error guide, not a guaranteed 80% chance for a particular driver. We require at least five checked races and 100 checked finishes before showing it.

Inputs are field-normalised Elo rank and qualifying position. The target is position among all race entries, trained only on classified finishers. Estimates are averages, not a unique predicted finishing order. Penalties, the circuit, weather, incidents and strategy aren't model inputs. Historical qualifying coverage is patchy; this is an exploratory backtest on corrected records, not proof of live forecasting accuracy.

The rating ledger

What changed in Elo?

These are actual rating changes. The expectation model above does not change Elo or fantasy scoring.

Largest Elo gain

Cevert+148.0 Elo

Largest Elo loss

Ickx−200.0 Elo

Largest grid-to-finish gain

Fittipaldi+14 places

The bigger picture

Championship after this round

Top five in the stored standings. Points include sprint results where applicable.

  1. 1 Stewart 33pts 0
  2. 2 Ickx 19pts 0
  3. 3 Andretti 9pts 0
  4. 4 Rodríguez 9pts 0
  5. 5 Peterson 9pts 0

Movement since round 4. A dash means the earlier standing is unavailable.

Explore the season →
Across the garage

Teammate results

Two-driver constructor entries from this race. A result comparison, not an adjustment for strategy or reliability.

McLaren

GethinP9+61.5 Elo
HulmeDNF−150.1 Elo

Non-finish recorded; no finishing gap comparison.

Brabham

SchenkenDNF+21.0 Elo
HillDNF−13.8 Elo

Non-finish recorded; no finishing gap comparison.

Ferrari

RegazzoniDNF−117.1 Elo
IckxDNF−200.0 Elo

Non-finish recorded; no finishing gap comparison.

What this analysis can—and cannot—tell you

This debrief is calculated from stored results and rating snapshots. The experimental expectation model learns from earlier races only, using Elo rank and qualifying together; it never feeds back into Elo. It is not a separately reviewed race report.

Elo uses the result order, including retirements. It does not isolate driver skill from the car, reliability, penalties or strategy. Elo seed comparisons use pre-race ratings, never today's ratings. Equal ratings share the midpoint of their rank range (for example, tied first and second become seed 1.5).

Grid gains use numbered starting slots and classified finishes only. Zero or missing grid values are excluded; a position gained is not necessarily an overtake. Qualifying gaps use the latest segment both teammates have a valid time for, never Q1 against Q3.

Lap-by-lap pace, tyre stints, pit-stop execution and safety-car effects are not available in this report. Missing data is omitted, not inferred.

Read the Elo methodology →
23
Result Entries
Avg Elo
Highest Elo (Stewart)
11
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇬🇧 J.Stewart 1 +9 33 P1 +67.4 2,366
P2 🇫🇷 F.Cevert 7 +5 +6 6 P8 +148.0 2,149
P3 🇧🇷 E.Fittipaldi 17 +14 +4 6 P9 +88.6 2,241
P4 🇨🇭 J.Siffert 6 +2 +3 4 P11 +102.2 2,178
P5 🇳🇿 C.Amon 9 +4 +2 8 P7 +80.2 2,189
P6 🇸🇪 R.Wisell 15 +9 +1 4 P12 +98.7 2,115
P7 🇫🇷 J.Beltoise 8 +1 0 1 P14 +30.4 2,225
P8 🇬🇧 J.Surtees 13 +5 0 2 P13 +14.8 2,224
P9 🇬🇧 P.Gethin 19 +10 0 0 P18 +61.5 2,090
P10 🇳🇿 H.Ganley 16 +6 0 0 P16 +35.2 2,111
P11 🇩🇪 R.Stommelen 10 -1 0 1 P15 +39.2 2,067
DNF 🇦🇺 T.Schenken 14 0 0 P21 +21.0 2,071
P13 🇫🇷 F.Mazet 23 +10 0 0 P24 +25.5 2,025
NC 🇫🇷 M.Jean 22 0 0 P26 +14.3 2,014
DNF 🇫🇷 H.Pescarolo 18 0 0 P19 -39.9 2,095
DNF 🇬🇧 G.Hill 4 0 0 P22 -13.8 2,005
DNF 🇮🇹 A.de Adamich 20 0 0 P23 -6.7 1,951
DNF 🇲🇽 P.Rodríguez 5 0 9 P4 -122.7 2,177
DNF 🇨🇭 C.Regazzoni 2 0 8 P6 -117.1 2,123
DNF 🇸🇪 R.Peterson 12 0 9 P5 -130.6 2,117
DNF 🇳🇿 D.Hulme 11 0 6 P10 -150.1 2,127
DNF 🇧🇪 J.Ickx 3 0 19 P2 -200.0 2,247
DNF 🇪🇸 A.Soler-Roig 21 0 0 P27 -45.9 1,802

Qualifying results are not available for this race.

Elo Changes