Round 7 · 1982

Detroit Street Circuit

Detroit, USA · June 06, 1982 · Circuit History · Wikipedia

The race, in perspective

Race debrief

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

R071982
Share this debrief
Preview share card ↗
29 stored results 29/29 Elo snapshots 26/29 numbered grid slots 0/29 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.

0/29 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.

0/29 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 → P29vs expectedReading
J. WatsonMcLaren #12423 No error range P1 Not assessedQualifying unavailable
E. CheeverLigier #152183 No error range P2 Not assessedQualifying unavailable
D. PironiFerrari #112226 No error range P3 Not assessedQualifying unavailable
K. RosbergWilliams #42295 No error range P4 Not assessedQualifying unavailable
D. DalyWilliams #142184 No error range P5 Not assessedQualifying unavailable
J. LaffiteLigier #122208 No error range P6 Not assessedQualifying unavailable
J. MassMarch #162164 No error range P7 Not assessedQualifying unavailable
M. SurerArrows #102240 No error range P8 Not assessedQualifying unavailable
B. HentonTyrrell #232012 No error range P9 Not assessedQualifying unavailable
R. ArnouxRenault #192068 No error range P10 Not assessedQualifying unavailable
C. SerraFittipaldi #251962 No error range P11 Not assessedQualifying unavailable
A. ProstRenault #32299 No error range NCNot classified Not assessedQualifying unavailable
N. MansellTeam Lotus #82251 No error range DNFEngine Not assessedQualifying unavailable
N. LaudaMcLaren #92247 No error range DNFCollision Not assessedQualifying unavailable
M. AlboretoTyrrell #72274 No error range DNFSpun off Not assessedQualifying unavailable
B. GiacomelliAlfa Romeo #212066 No error range DNFCollision Not assessedQualifying unavailable
E. de AngelisTeam Lotus #22360 No error range DNFGearbox Not assessedQualifying unavailable
E. SalazarATS #202068 No error range DNFSpun off Not assessedQualifying unavailable
R. GuerreroEnsign #271895 No error range DNFCollision Not assessedQualifying unavailable
R. PatreseBrabham #62285 No error range DNFCollision Not assessedQualifying unavailable
A. de CesarisAlfa Romeo #132193 No error range DNFTransmission Not assessedQualifying unavailable
J. JarierOsella #172094 No error range DNFIgnition Not assessedQualifying unavailable
M. WinkelhockATS #182072 No error range DNFSpun off Not assessedQualifying unavailable
R. BoeselMarch #222052 No error range DNFCollision Not assessedQualifying unavailable
M. BaldiArrows #242010 No error range DNFCollision Not assessedQualifying unavailable
R. PalettiOsella #281823 No error range DNFRetired Not assessedQualifying unavailable
E. de VillotaMarch #291795 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
N. PiquetBrabham #52289 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
J. LammersTheodore #261940 Grid unnumbered No error range DNQDid not qualify 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

Cheever+78.3 Elo

Largest Elo loss

Piquet−122.9 Elo

Largest grid-to-finish gain

Watson+16 places

The bigger picture

Championship after this round

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

  1. 1 Watson 26pts +1
  2. 2 Pironi 20pts +1
  3. 3 Prost 18pts −2
  4. 4 Rosberg 17pts 0
  5. 5 Patrese 13pts 0

Movement since round 6. 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

WatsonP1+35.0 Elo
LaudaDNF−18.5 Elo

Non-finish recorded; no finishing gap comparison.

Arrows

SurerP8+24.0 Elo
BaldiDNF−37.7 Elo

Non-finish recorded; no finishing gap comparison.

Renault

ArnouxP10+51.2 Elo
ProstNC−16.4 Elo

Non-finish recorded; no finishing gap comparison.

ATS

SalazarDNF−3.1 Elo
WinkelhockDNF−38.1 Elo

Non-finish recorded; no finishing gap comparison.

Brabham

PatreseDNF−67.8 Elo
PiquetDNQ−122.9 Elo

Non-finish recorded; no finishing gap comparison.

Osella

JarierDNF−36.4 Elo
PalettiDNF−10.5 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 →
29
Result Entries
Avg Elo
Highest Elo (Watson)
18
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇬🇧 J.Watson 17 +16 +9 26 P1 +35.0 2,458
P2 🇺🇸 E.Cheever 9 +7 +6 10 P7 +78.3 2,261
P3 🇫🇷 D.Pironi 4 +1 +4 20 P2 +61.2 2,288
P4 🇫🇮 K.Rosberg 3 -1 +3 17 P4 +39.0 2,334
P5 🇮🇪 D.Daly 12 +7 +2 3 P16 +57.8 2,241
P6 🇫🇷 J.Laffite 13 +7 +1 1 P20 +45.1 2,253
P7 🇩🇪 J.Mass 18 +11 0 0 P22 +48.8 2,213
P8 🇨🇭 M.Surer 19 +11 0 0 P23 +24.0 2,264
P9 🇬🇧 B.Henton 20 +11 0 0 P26 +70.6 2,083
P10 🇫🇷 R.Arnoux 15 +5 0 4 P13 +51.2 2,120
P11 🇧🇷 C.Serra 26 +15 0 1 P21 +67.7 2,029
NC 🇫🇷 A.Prost 1 0 18 P3 -16.4 2,283
DNF 🇬🇧 N.Mansell 7 0 7 P9 -12.4 2,238
DNF 🇦🇹 N.Lauda 10 0 12 P6 -18.5 2,229
DNF 🇮🇹 M.Alboreto 16 0 10 P8 -31.3 2,243
DNF 🇮🇹 B.Giacomelli 6 0 0 P28 +11.0 2,077
DNF 🇮🇹 E.de Angelis 8 0 7 P10 -62.8 2,298
DNF 🇨🇱 E.Salazar 25 0 2 P17 -3.1 2,065
DNF 🇨🇴 R.Guerrero 11 0 0 P32 +25.7 1,921
DNF 🇮🇹 R.Patrese 14 0 13 P5 -67.8 2,217
DNF 🇮🇹 A.de Cesaris 2 0 4 P14 -53.3 2,139
DNF 🇫🇷 J.Jarier 22 0 3 P15 -36.4 2,058
DNF 🇩🇪 M.Winkelhock 5 0 2 P18 -38.1 2,034
DNF 🇧🇷 R.Boesel 21 0 0 P25 -40.3 2,012
DNF 🇮🇹 M.Baldi 24 0 0 P27 -37.7 1,972
DNF 🇮🇹 R.Paletti 23 0 0 P30 -10.5 1,813
DNQ 🇪🇸 E.de Villota 0 0 0 P35 -13.5 1,782
DNQ 🇧🇷 N.Piquet 0 0 2 P19 -122.9 2,166
DNQ 🇳🇱 J.Lammers 0 0 0 P34 -50.6 1,890

Qualifying results are not available for this race.

Elo Changes