Round 14 · 1991

Circuit de Barcelona-Catalunya

Montmeló, Spain · September 29, 1991 · Circuit History · Wikipedia

Kings of this circuit
The race, in perspective

Race debrief

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

R141991
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33 stored results 33/33 Elo snapshots 26/33 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
N. MansellWilliams #32382 No error range P1 Not assessedQualifying unavailable
A. ProstFerrari #132200 No error range P2 Not assessedQualifying unavailable
R. PatreseWilliams #22389 No error range P3 Not assessedQualifying unavailable
J. AlesiFerrari #72314 No error range P4 Not assessedQualifying unavailable
A. SennaMcLaren #12565 No error range P5 Not assessedQualifying unavailable
M. SchumacherBenetton #182173 No error range P6 Not assessedQualifying unavailable
M. GugelminLeyton House #122202 No error range P7 Not assessedQualifying unavailable
J. JärvilehtoDallara #222106 No error range P8 Not assessedQualifying unavailable
A. ZanardiJordan #242000 No error range P9 Not assessedQualifying unavailable
M. BrundleBrabham #102216 No error range P10 Not assessedQualifying unavailable
N. PiquetBenetton #42366 No error range P11 Not assessedQualifying unavailable
G. TarquiniFondmetal #301785 No error range P12 Not assessedQualifying unavailable
P. MartiniMinardi #92226 No error range P13 Not assessedQualifying unavailable
G. MorbidelliMinardi #82238 No error range DNFCollision Not assessedQualifying unavailable
E. PirroDallara #202151 No error range P15 Not assessedQualifying unavailable
S. ModenaTyrrell #142200 No error range P16 Not assessedQualifying unavailable
S. NakajimaTyrrell #212144 No error range P17 Not assessedQualifying unavailable
M. BlundellBrabham #192160 No error range DNFEngine Not assessedQualifying unavailable
É. ComasLigier #112209 No error range DNFElectrical Not assessedQualifying unavailable
G. BergerMcLaren #62316 No error range DNFElectrical Not assessedQualifying unavailable
M. AlboretoFootwork #261973 No error range DNFEngine Not assessedQualifying unavailable
A. de CesarisJordan #52348 No error range DNFElectrical Not assessedQualifying unavailable
M. HäkkinenTeam Lotus #152182 No error range DNFSpun off Not assessedQualifying unavailable
I. CapelliLeyton House #162178 No error range DNFCollision Not assessedQualifying unavailable
É. BernardLola #232007 No error range DNFCollision Not assessedQualifying unavailable
T. BoutsenLigier #172175 No error range DNFCollision Not assessedQualifying unavailable
A. SuzukiLola #251985 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
N. LariniLambo #281928 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
M. BartelsTeam Lotus #291905 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
E. van de PoeleLambo #321765 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
A. CaffiFootwork #311782 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
F. BarbazzaAGS #331741 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
O. GrouillardAGS #271943 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 grid-to-finish gain

Zanardi+11 places

The bigger picture

Championship after this round

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

  1. 1 Senna 85pts 0
  2. 2 Mansell 69pts 0
  3. 3 Patrese 48pts 0
  4. 4 Prost 31pts +2
  5. 5 Berger 31pts −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.

McLaren

SennaP5−5.3 Elo
BergerDNF−61.1 Elo

Non-finish recorded; no finishing gap comparison.

Ligier

ComasDNF−30.5 Elo
BoutsenDNF−67.1 Elo

Non-finish recorded; no finishing gap comparison.

Lola

BernardDNF−21.7 Elo
SuzukiDNQ−29.6 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 →
33
Result Entries
Avg Elo
Highest Elo (Senna)
17
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇬🇧 N.Mansell 2 +1 +10 69 P2 +46.7 2,429
P2 🇫🇷 A.Prost 6 +4 +6 31 P4 +79.7 2,280
P3 🇮🇹 R.Patrese 4 +1 +4 48 P3 +32.7 2,422
P4 🇫🇷 J.Alesi 7 +3 +3 21 P7 +41.2 2,355
P5 🇧🇷 A.Senna 3 -2 +2 85 P1 -5.3 2,559
P6 🇩🇪 M.Schumacher 5 -1 +1 4 P14 +60.6 2,234
P7 🇧🇷 M.Gugelmin 13 +6 0 0 P23 +47.5 2,249
P8 🇫🇮 J.Järvilehto 15 +7 0 4 P12 +63.9 2,170
P9 🇮🇹 A.Zanardi 20 +11 0 0 P32 +81.7 2,082
P10 🇬🇧 M.Brundle 11 +1 0 0 P30 +25.0 2,241
P11 🇧🇷 N.Piquet 10 -1 0 25 P6 -13.8 2,352
P12 🇮🇹 G.Tarquini 22 +10 0 0 P29 +101.3 1,887
P13 🇮🇹 P.Martini 19 +6 0 6 P11 +3.5 2,230
DNF 🇮🇹 G.Morbidelli 16 0 0 P25 -5.5 2,232
P15 🇮🇹 E.Pirro 9 -6 0 1 P17 +8.7 2,160
P16 🇮🇹 S.Modena 14 -2 0 9 P8 -9.3 2,191
P17 🇯🇵 S.Nakajima 18 +1 0 2 P15 -2.3 2,141
DNF 🇬🇧 M.Blundell 12 0 1 P18 -12.6 2,148
DNF 🇫🇷 É.Comas 25 0 0 P28 -30.5 2,178
DNF 🇦🇹 G.Berger 1 0 31 P5 -61.1 2,255
DNF 🇮🇹 M.Alboreto 24 0 0 P34 +11.1 1,984
DNF 🇮🇹 A.de Cesaris 17 0 9 P9 -80.2 2,267
DNF 🇫🇮 M.Häkkinen 21 0 2 P16 -49.6 2,132
DNF 🇮🇹 I.Capelli 8 0 1 P19 -55.2 2,123
DNF 🇫🇷 É.Bernard 23 0 1 P20 -21.7 1,986
DNF 🇧🇪 T.Boutsen 26 0 0 P24 -67.1 2,108
DNQ 🇯🇵 A.Suzuki 0 0 1 P21 -29.6 1,955
DNQ 🇮🇹 N.Larini 0 0 0 P27 -24.5 1,904
DNQ 🇩🇪 M.Bartels 0 0 0 P38 -26.4 1,879
DNQ 🇧🇪 E.van de Poele 0 0 0 P31 -10.6 1,755
DNQ 🇮🇹 A.Caffi 0 0 0 P36 -19.2 1,763
DNQ 🇮🇹 F.Barbazza 0 0 0 P37 -20.1 1,721
DNQ 🇫🇷 O.Grouillard 0 0 0 P33 -59.2 1,884

Qualifying results are not available for this race.

Elo Changes