Round 14 · 1990

Circuito de Jerez

Jerez de la Frontera, Spain · September 30, 1990 · Circuit History · Wikipedia

The race, in perspective

Race debrief

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

R141990
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33 stored results 33/33 Elo snapshots 25/33 numbered grid slots 0/33 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.

0/33 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.

0/33 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 → P33vs expectedReading
A. ProstFerrari #22502 No error range P1 Not assessedQualifying unavailable
N. MansellFerrari #72331 No error range P2 Not assessedQualifying unavailable
A. NanniniBenetton #52356 No error range P3 Not assessedQualifying unavailable
T. BoutsenWilliams #102223 No error range P4 Not assessedQualifying unavailable
R. PatreseWilliams #62350 No error range P5 Not assessedQualifying unavailable
A. SuzukiLarrousse #172135 No error range P6 Not assessedQualifying unavailable
N. LariniLigier #82265 No error range P7 Not assessedQualifying unavailable
M. GugelminLeyton House #152181 No error range P8 Not assessedQualifying unavailable
Y. DalmasAGS #271871 No error range P9 Not assessedQualifying unavailable
M. AlboretoArrows #112216 No error range P10 Not assessedQualifying unavailable
D. WarwickTeam Lotus #142193 No error range DNFGearbox Not assessedQualifying unavailable
I. CapelliLeyton House #122203 No error range DNFPhysical Not assessedQualifying unavailable
G. BergerMcLaren #32467 No error range DNFCollision Not assessedQualifying unavailable
A. SennaMcLaren #12567 No error range DNFRadiator Not assessedQualifying unavailable
N. PiquetBenetton #42442 No error range DNFBattery Not assessedQualifying unavailable
A. de CesarisDallara #232054 No error range DNFEngine Not assessedQualifying unavailable
O. GrouillardOsella #251971 No error range DNFWheel bearing Not assessedQualifying unavailable
P. MartiniMinardi #192108 No error range DNFSpun off Not assessedQualifying unavailable
P. AlliotLigier #162138 No error range DNFSpun off Not assessedQualifying unavailable
É. BernardLarrousse #132201 No error range DNFGearbox Not assessedQualifying unavailable
S. NakajimaTyrrell #222081 No error range DNFSpun off Not assessedQualifying unavailable
G. TarquiniAGS #281828 No error range DNFEngine Not assessedQualifying unavailable
S. ModenaBrabham #202106 No error range DNFCollision Not assessedQualifying unavailable
J. AlesiTyrrell #92227 No error range DNFSpun off Not assessedQualifying unavailable
E. PirroDallara #212091 No error range DNFThrottle Not assessedQualifying unavailable
M. DonnellyTeam Lotus #182127 Grid unnumbered No error range DNFInjured Not assessedQualifying unavailable
D. BrabhamBrabham #241983 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
P. BarillaMinardi #261954 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
B. SchneiderArrows #291819 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
B. GachotColoni #311671 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
R. MorenoEuro Brun #301705 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
C. LangesEuro Brun #331628 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
B. GiacomelliLife #321629 Grid unnumbered No error range DNQDid not prequalify 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

Dalmas+100.3 Elo

Largest Elo loss

Alesi−68.2 Elo

Largest grid-to-finish gain

Alboreto+15 places

The bigger picture

Championship after this round

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

  1. 1 Senna 78pts 0
  2. 2 Prost 69pts 0
  3. 3 Berger 40pts 0
  4. 4 Mansell 31pts +2
  5. 5 Boutsen 30pts −1

Movement since round 13. 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.

Ligier

LariniP7+31.9 Elo
AlliotDNF−16.9 Elo

Non-finish recorded; no finishing gap comparison.

AGS

DalmasP9+100.3 Elo
TarquiniDNF+24.5 Elo

Non-finish recorded; no finishing gap comparison.

McLaren

BergerDNF−42.4 Elo
SennaDNF−61.3 Elo

Non-finish recorded; no finishing gap comparison.

Tyrrell

NakajimaDNF−17.2 Elo
AlesiDNF−68.2 Elo

Non-finish recorded; no finishing gap comparison.

Brabham

ModenaDNF−35.3 Elo
BrabhamDNQ−35.0 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 →
33
Result Entries
Avg Elo
Highest Elo (Prost)
23
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇫🇷 A.Prost 2 +1 +9 69 P2 +29.2 2,531
P2 🇬🇧 N.Mansell 3 +1 +6 31 P4 +50.5 2,381
P3 🇮🇹 A.Nannini 9 +6 +4 21 P7 +39.6 2,395
P4 🇧🇪 T.Boutsen 7 +3 +3 30 P5 +59.9 2,283
P5 🇮🇹 R.Patrese 6 +1 +2 19 P8 +27.8 2,378
P6 🇯🇵 A.Suzuki 15 +9 +1 2 P15 +66.4 2,202
P7 🇮🇹 N.Larini 20 +13 0 0 P20 +31.9 2,297
P8 🇧🇷 M.Gugelmin 12 +4 0 1 P17 +43.6 2,225
P9 🇫🇷 Y.Dalmas 23 +14 0 0 P24 +100.3 1,971
P10 🇮🇹 M.Alboreto 25 +15 0 0 P23 +23.3 2,239
DNF 🇬🇧 D.Warwick 10 0 3 P12 +21.8 2,215
DNF 🇮🇹 I.Capelli 19 0 6 P10 +13.2 2,217
DNF 🇦🇹 G.Berger 5 0 40 P3 -42.4 2,425
DNF 🇧🇷 A.Senna 1 0 78 P1 -61.3 2,506
DNF 🇧🇷 N.Piquet 8 0 26 P6 -51.3 2,390
DNF 🇮🇹 A.de Cesaris 17 0 0 P26 +20.4 2,075
DNF 🇫🇷 O.Grouillard 21 0 0 P30 +31.1 2,002
DNF 🇮🇹 P.Martini 11 0 0 P19 -4.0 2,104
DNF 🇫🇷 P.Alliot 13 0 0 P22 -16.9 2,121
DNF 🇫🇷 É.Bernard 18 0 5 P11 -37.1 2,164
DNF 🇯🇵 S.Nakajima 14 0 2 P16 -17.2 2,064
DNF 🇮🇹 G.Tarquini 22 0 0 P31 +24.5 1,853
DNF 🇮🇹 S.Modena 24 0 2 P14 -35.3 2,070
DNF 🇫🇷 J.Alesi 4 0 13 P9 -68.2 2,159
DNF 🇮🇹 E.Pirro 16 0 0 P25 -44.7 2,046
DNF 🇬🇧 M.Donnelly 0 0 0 P18 -59.2 2,068
DNQ 🇦🇺 D.Brabham 0 0 0 P34 -35.0 1,948
DNQ 🇮🇹 P.Barilla 0 0 0 P27 -35.5 1,918
DNQ 🇩🇪 B.Schneider 0 0 0 P29 -18.7 1,800
DNQ 🇧🇪 B.Gachot 0 0 0 P36 -5.8 1,665
DNQ 🇧🇷 R.Moreno 0 0 0 P32 -16.0 1,689
DNQ 🇮🇹 C.Langes 0 0 0 P37 -14.1 1,614
DNQ 🇮🇹 B.Giacomelli 0 0 0 P38 -20.6 1,609

Qualifying results are not available for this race.

Elo Changes