Round 9 · 1954

Circuit de Pedralbes

Barcelona, Spain · October 24, 1954 · Circuit History · Wikipedia

The race, in perspective

Race debrief

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

R091954
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23 stored results 23/23 Elo snapshots 22/23 numbered grid slots 0/23 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.

0/23 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.

0/23 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 → P23vs expectedReading
M. HawthornFerrari #42242 No error range P1 Not assessedQualifying unavailable
L. MussoMaserati #201955 No error range P2 Not assessedQualifying unavailable
J. FangioMercedes #12605 No error range P3 Not assessedQualifying unavailable
R. MieresMaserati #112088 No error range P4 Not assessedQualifying unavailable
K. KlingMercedes #62158 No error range P5 Not assessedQualifying unavailable
P. GodiaMaserati #162030 No error range P6 Not assessedQualifying unavailable
L. RosierMaserati #92100 No error range P7 Not assessedQualifying unavailable
K. WhartonMaserati #102093 No error range P8 Not assessedQualifying unavailable
P. BiraMaserati #72135 No error range P9 Not assessedQualifying unavailable
S. MantovaniMaserati #52184 No error range DNFBrakes Not assessedQualifying unavailable
O. VolonterioMaserati #192000 No error range DNFEngine Not assessedQualifying unavailable
T. de GraffenriedMaserati #122084 No error range DNFEngine Not assessedQualifying unavailable
H. HerrmannMercedes #32249 No error range DNFInjection Not assessedQualifying unavailable
M. TrintignantFerrari #22306 No error range DNFGearbox Not assessedQualifying unavailable
J. PolletGordini #231906 No error range DNFEngine Not assessedQualifying unavailable
H. SchellMaserati #82133 No error range DNFTransmission Not assessedQualifying unavailable
S. MossMaserati #132063 No error range DNFOil pump Not assessedQualifying unavailable
J. BehraGordini #221928 No error range DNFBrakes Not assessedQualifying unavailable
J. SwatersFerrari #172016 No error range DNFEngine Not assessedQualifying unavailable
A. AscariLancia #142044 No error range DNFClutch Not assessedQualifying unavailable
L. VilloresiLancia #182016 No error range DNFBrakes Not assessedQualifying unavailable
R. ManzonFerrari #211930 No error range DNFEngine Not assessedQualifying unavailable
P. CollinsVanwall #152036 Grid unnumbered No error range DNFAccident 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

Musso+189.6 Elo

Largest Elo loss

Collins−127.7 Elo

Largest grid-to-finish gain

Rosier+13 places

The bigger picture

Championship after this round

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

  1. 1 Fangio 42pts 0
  2. 2 González 25.14pts 0
  3. 3 Hawthorn 24.64pts +1
  4. 4 Trintignant 17pts −1
  5. 5 Kling 12pts 0

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.

Gordini

PolletDNF+29.6 Elo
BehraDNF−19.0 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 →
23
Result Entries
Avg Elo
Highest Elo (Fangio)
14
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇬🇧 M.Hawthorn 3 +2 +8 24.64 P3 +93.4 2,335
P2 🇮🇹 L.Musso 7 +5 +6 6 P9 +189.6 2,145
P3 🇦🇷 J.Fangio 2 -1 +4 42 P1 -11.2 2,594
P4 🇦🇷 R.Mieres 11 +7 +3 6 P11 +110.6 2,199
P5 🇩🇪 K.Kling 12 +7 +2 12 P5 +69.2 2,228
P6 🇪🇸 P.Godia 13 +7 0 0 P31 +106.6 2,136
P7 🇫🇷 L.Rosier 20 +13 0 0 P33 +64.7 2,165
P8 🇬🇧 K.Wharton 14 +6 0 0 P27 +53.9 2,147
P9 🇹🇭 P.Bira 15 +6 0 3 P17 +23.7 2,159
DNF 🇮🇹 S.Mantovani 10 0 4 P16 -8.9 2,175
DNF 🇨🇭 O.Volonterio 21 0 0 P68 +43.2 2,043
DNF 🇨🇭 T.de Graffenried 21 0 0 P36 +10.0 2,094
DNF 🇩🇪 H.Herrmann 9 0 8 P7 -72.9 2,176
DNF 🇫🇷 M.Trintignant 8 0 17 P4 -104.4 2,202
DNF 🇫🇷 J.Pollet 16 0 0 P71 +29.6 1,935
DNF 🇺🇸 H.Schell 4 0 0 P26 -71.0 2,062
DNF 🇬🇧 S.Moss 6 0 4 P15 -56.8 2,006
DNF 🇫🇷 J.Behra 18 0 0 P28 -19.0 1,909
DNF 🇺🇸 J.Swaters 19 0 0 P37 -65.5 1,951
DNF 🇮🇹 A.Ascari 1 +1 1 P25 -90.2 1,954
DNF 🇮🇹 L.Villoresi 5 0 2 P20 -92.7 1,923
DNF 🇫🇷 R.Manzon 17 0 4 P14 -74.2 1,856
DNF 🇬🇧 P.Collins 0 0 0 P34 -127.7 1,908

Qualifying results are not available for this race.

Elo Changes