Round 9 · 1991

Hockenheimring

Hockenheim, Germany · July 28, 1991 · Circuit History · Wikipedia

Kings of this circuit
The race, in perspective

Race debrief

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

R091991
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34 stored results 34/34 Elo snapshots 26/34 numbered grid slots 0/34 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.

0/34 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.

0/34 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 → P34vs expectedReading
N. MansellWilliams #22457 No error range P1 Not assessedQualifying unavailable
R. PatreseWilliams #52298 No error range P2 Not assessedQualifying unavailable
J. AlesiFerrari #102249 No error range P3 Not assessedQualifying unavailable
G. BergerMcLaren #122201 No error range P4 Not assessedQualifying unavailable
A. de CesarisJordan #92252 No error range P5 Not assessedQualifying unavailable
B. GachotJordan #142185 No error range P6 Not assessedQualifying unavailable
A. SennaMcLaren #12478 No error range DNFOut of fuel Not assessedQualifying unavailable
R. MorenoBenetton #152179 No error range P8 Not assessedQualifying unavailable
T. BoutsenLigier #82253 No error range P9 Not assessedQualifying unavailable
E. PirroDallara #242082 No error range P10 Not assessedQualifying unavailable
M. BrundleBrabham #232092 No error range P11 Not assessedQualifying unavailable
M. BlundellBrabham #202129 No error range P12 Not assessedQualifying unavailable
S. ModenaTyrrell #62288 No error range P13 Not assessedQualifying unavailable
A. ProstFerrari #32363 No error range DNFSpun off Not assessedQualifying unavailable
I. CapelliLeyton House #252040 No error range DNFEngine Not assessedQualifying unavailable
J. JärvilehtoDallara #132188 No error range DNFEngine Not assessedQualifying unavailable
N. PiquetBenetton #42351 No error range DNFEngine Not assessedQualifying unavailable
S. NakajimaTyrrell #112206 No error range DNFGearbox Not assessedQualifying unavailable
É. ComasLigier #222101 No error range DNFEngine Not assessedQualifying unavailable
M. GugelminLeyton House #182155 No error range DNFGearbox Not assessedQualifying unavailable
M. HäkkinenTeam Lotus #162172 No error range DNFEngine Not assessedQualifying unavailable
A. SuzukiLola #212102 No error range DNFEngine Not assessedQualifying unavailable
G. MorbidelliMinardi #172167 No error range DNFDifferential Not assessedQualifying unavailable
P. MartiniMinardi #72271 No error range DNFDifferential Not assessedQualifying unavailable
É. BernardLola #192149 No error range DNFTransmission Not assessedQualifying unavailable
N. LariniLambo #321840 No error range DNFSpun off Not assessedQualifying unavailable
M. AlboretoFootwork #262040 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
M. BartelsTeam Lotus #272000 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
G. TarquiniAGS #301875 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
E. van de PoeleLambo #331790 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
O. GrouillardFondmetal #291885 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
A. CaffiFootwork #281957 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
F. BarbazzaAGS #311872 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
P. ChavesColoni #341703 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

Berger+67.7 Elo

Largest Elo loss

Martini−74.5 Elo

Largest grid-to-finish gain

Blundell+9 places

The bigger picture

Championship after this round

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

  1. 1 Senna 51pts 0
  2. 2 Mansell 43pts 0
  3. 3 Patrese 28pts 0
  4. 4 Prost 21pts 0
  5. 5 Berger 19pts +1

Movement since round 8. 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.

Ferrari

AlesiP3+62.3 Elo
ProstDNF−31.8 Elo

Non-finish recorded; no finishing gap comparison.

McLaren

BergerP4+67.7 Elo
SennaDNF−7.5 Elo

Non-finish recorded; no finishing gap comparison.

Ligier

BoutsenP9+23.8 Elo
ComasDNF−1.2 Elo

Non-finish recorded; no finishing gap comparison.

Lola

SuzukiDNF−20.4 Elo
BernardDNF−50.9 Elo

Non-finish recorded; no finishing gap comparison.

AGS

TarquiniDNQ−14.5 Elo
BarbazzaDNQ−39.2 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 →
34
Result Entries
Avg Elo
Highest Elo (Mansell)
22
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇬🇧 N.Mansell 1 +10 43 P2 +33.2 2,490
P2 🇮🇹 R.Patrese 4 +2 +6 28 P3 +57.2 2,355
P3 🇫🇷 J.Alesi 6 +3 +4 12 P7 +62.3 2,311
P4 🇦🇹 G.Berger 3 -1 +3 19 P5 +67.7 2,269
P5 🇮🇹 A.de Cesaris 7 +2 +2 9 P9 +49.1 2,301
P6 🇧🇪 B.Gachot 11 +5 +1 4 P12 +59.2 2,244
DNF 🇧🇷 A.Senna 2 0 51 P1 -7.5 2,470
P8 🇧🇷 R.Moreno 9 +1 0 5 P10 +48.0 2,227
P9 🇧🇪 T.Boutsen 17 +8 0 0 P20 +23.8 2,276
P10 🇮🇹 E.Pirro 18 +8 0 1 P16 +59.7 2,142
P11 🇬🇧 M.Brundle 15 +4 0 0 P29 +51.0 2,143
P12 🇬🇧 M.Blundell 21 +9 0 0 P25 +35.6 2,164
P13 🇮🇹 S.Modena 14 +1 0 9 P8 -9.5 2,279
DNF 🇫🇷 A.Prost 5 0 21 P4 -31.8 2,332
DNF 🇮🇹 I.Capelli 12 0 0 P31 +38.5 2,079
DNF 🇫🇮 J.Järvilehto 20 0 4 P11 -4.2 2,183
DNF 🇧🇷 N.Piquet 8 0 18 P6 -48.1 2,303
DNF 🇯🇵 S.Nakajima 13 0 2 P14 -21.2 2,185
DNF 🇫🇷 É.Comas 26 0 0 P24 -1.2 2,099
DNF 🇧🇷 M.Gugelmin 16 0 0 P22 -21.1 2,134
DNF 🇫🇮 M.Häkkinen 23 0 2 P15 -31.6 2,140
DNF 🇯🇵 A.Suzuki 22 0 1 P18 -20.4 2,082
DNF 🇮🇹 G.Morbidelli 19 0 0 P21 -42.9 2,124
DNF 🇮🇹 P.Martini 10 0 3 P13 -74.5 2,197
DNF 🇫🇷 É.Bernard 25 0 1 P17 -50.9 2,098
DNF 🇮🇹 N.Larini 24 0 0 P23 +10.2 1,850
DNQ 🇮🇹 M.Alboreto 0 0 0 P33 -36.6 2,003
DNQ 🇩🇪 M.Bartels 0 0 0 P36 -33.7 1,966
DNQ 🇮🇹 G.Tarquini 0 0 0 P26 -14.5 1,860
DNQ 🇧🇪 E.van de Poele 0 0 0 P27 -7.2 1,783
DNQ 🇫🇷 O.Grouillard 0 0 0 P32 -29.0 1,857
DNQ 🇮🇹 A.Caffi 0 0 0 P34 -49.4 1,908
DNQ 🇮🇹 F.Barbazza 0 0 0 P35 -39.2 1,833
DNQ 🇵🇹 P.Chaves 0 0 0 P37 -21.3 1,682

Qualifying results are not available for this race.

Elo Changes