Round 7 · 1981

Jarama

Madrid, Spain · June 21, 1981 · Circuit History · Wikipedia

The race, in perspective

Race debrief

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

R071981
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30 stored results 30/30 Elo snapshots 24/30 numbered grid slots 0/30 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.

0/30 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.

0/30 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 → P30vs expectedReading
G. VilleneuveFerrari #42368 No error range P1 Not assessedQualifying unavailable
J. LaffiteLigier #52356 No error range P2 Not assessedQualifying unavailable
J. WatsonMcLaren #72284 No error range P3 Not assessedQualifying unavailable
C. ReutemannWilliams #12557 No error range P4 Not assessedQualifying unavailable
E. de AngelisTeam Lotus #92230 No error range P5 Not assessedQualifying unavailable
N. MansellTeam Lotus #192098 No error range P6 Not assessedQualifying unavailable
A. JonesWilliams #22473 No error range P7 Not assessedQualifying unavailable
M. AndrettiAlfa Romeo #142172 No error range P8 Not assessedQualifying unavailable
R. ArnouxRenault #122196 No error range P9 Not assessedQualifying unavailable
B. GiacomelliAlfa Romeo #102220 No error range P10 Not assessedQualifying unavailable
C. SerraFittipaldi #232006 No error range P11 Not assessedQualifying unavailable
K. RosbergFittipaldi #212074 No error range P12 Not assessedQualifying unavailable
P. TambayTheodore #132177 No error range P13 Not assessedQualifying unavailable
E. SalazarEnsign #271873 No error range P14 Not assessedQualifying unavailable
D. PironiFerrari #62328 No error range P15 Not assessedQualifying unavailable
D. DalyMarch #281868 No error range P16 Not assessedQualifying unavailable
E. CheeverTyrrell #82242 No error range NCNot classified Not assessedQualifying unavailable
J. JabouilleLigier #202086 No error range DNFBrakes Not assessedQualifying unavailable
H. RebaqueBrabham #162146 No error range DNFGearbox Not assessedQualifying unavailable
S. StohrArrows #222019 No error range DNFIgnition Not assessedQualifying unavailable
N. PiquetBrabham #32370 No error range DNFAccident Not assessedQualifying unavailable
A. ProstRenault #172141 No error range DNFSpun off Not assessedQualifying unavailable
R. PatreseArrows #112207 No error range DNFBrakes Not assessedQualifying unavailable
A. de CesarisMcLaren #182104 No error range DNFAccident Not assessedQualifying unavailable
M. AlboretoTyrrell #152150 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
B. GabbianiOsella #241964 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
S. BorguddATS #251958 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
B. HentonToleman #301827 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
D. WarwickToleman #291853 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
G. FranciaOsella #261933 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

Mansell+78.3 Elo

Largest Elo loss

Piquet−91.6 Elo

Largest grid-to-finish gain

Serra+10 places

The bigger picture

Championship after this round

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

  1. 1 Reutemann 37pts 0
  2. 2 Jones 24pts 0
  3. 3 Piquet 22pts 0
  4. 4 Villeneuve 21pts 0
  5. 5 Laffite 17pts 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.

Renault

ArnouxP9+32.9 Elo
ProstDNF−46.2 Elo

Non-finish recorded; no finishing gap comparison.

Brabham

RebaqueDNF−26.3 Elo
PiquetDNF−91.6 Elo

Non-finish recorded; no finishing gap comparison.

Arrows

StohrDNF−2.4 Elo
PatreseDNF−69.8 Elo

Non-finish recorded; no finishing gap comparison.

Toleman

HentonDNQ−21.3 Elo
WarwickDNQ−32.6 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 →
30
Result Entries
Avg Elo
Highest Elo (Reutemann)
14
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇨🇦 G.Villeneuve 7 +6 +9 21 P4 +51.4 2,419
P2 🇫🇷 J.Laffite 1 -1 +6 17 P5 +46.6 2,402
P3 🇬🇧 J.Watson 4 +1 +4 4 P11 +54.7 2,339
P4 🇦🇷 C.Reutemann 3 -1 +3 37 P1 +0.6 2,558
P5 🇮🇹 E.de Angelis 10 +5 +2 7 P7 +53.1 2,283
P6 🇬🇧 N.Mansell 11 +5 +1 5 P8 +78.3 2,177
P7 🇦🇺 A.Jones 2 -5 0 24 P2 -9.6 2,463
P8 🇺🇸 M.Andretti 8 0 3 P14 +45.7 2,218
P9 🇫🇷 R.Arnoux 17 +8 0 2 P16 +32.9 2,229
P10 🇮🇹 B.Giacomelli 6 -4 0 0 P21 +19.9 2,240
P11 🇧🇷 C.Serra 21 +10 0 0 P19 +64.7 2,071
P12 🇫🇮 K.Rosberg 15 +3 0 0 P22 +41.6 2,115
P13 🇫🇷 P.Tambay 16 +3 0 1 P17 +9.0 2,186
P14 🇨🇱 E.Salazar 24 +10 0 0 P29 +70.8 1,944
P15 🇫🇷 D.Pironi 13 -2 0 5 P9 -40.5 2,288
P16 🇮🇪 D.Daly 22 +6 0 0 P30 +57.5 1,925
NC 🇺🇸 E.Cheever 20 0 5 P10 -35.3 2,207
DNF 🇫🇷 J.Jabouille 19 0 0 P31 -4.1 2,082
DNF 🇲🇽 H.Rebaque 18 0 3 P15 -26.3 2,120
DNF 🇮🇹 S.Stohr 23 0 0 P23 -2.4 2,017
DNF 🇧🇷 N.Piquet 9 0 22 P3 -91.6 2,278
DNF 🇫🇷 A.Prost 5 0 4 P12 -46.2 2,095
DNF 🇮🇹 R.Patrese 12 0 10 P6 -69.8 2,137
DNF 🇮🇹 A.de Cesaris 14 0 1 P18 -51.3 2,053
DNQ 🇮🇹 M.Alboreto 0 0 0 P24 -69.8 2,080
DNQ 🇮🇹 B.Gabbiani 0 0 0 P32 -32.7 1,931
DNQ 🇸🇪 S.Borgudd 0 0 0 P28 -38.6 1,919
DNQ 🇬🇧 B.Henton 0 0 0 P35 -21.3 1,806
DNQ 🇬🇧 D.Warwick 0 0 0 P36 -32.6 1,820
DNQ 🇮🇹 G.Francia 0 0 0 P37 -54.7 1,878

Qualifying results are not available for this race.

Elo Changes