Round 11 · 1958

Ain Diab

Casablanca, Morocco · October 19, 1958 · Circuit History · Wikipedia

The race, in perspective

Race debrief

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

R111958
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25 stored results 25/25 Elo snapshots 25/25 numbered grid slots 0/25 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.

0/25 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.

0/25 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 → P25vs expectedReading
S. MossVanwall #82128 No error range P1 Not assessedQualifying unavailable
M. HawthornFerrari #12402 No error range P2 Not assessedQualifying unavailable
P. HillFerrari #42217 No error range P3 Not assessedQualifying unavailable
J. BonnierBRM #251937 No error range P4 Not assessedQualifying unavailable
H. SchellBRM #122059 No error range P5 Not assessedQualifying unavailable
M. GregoryMaserati #72136 No error range P6 Not assessedQualifying unavailable
R. SalvadoriCooper #22269 No error range P7 Not assessedQualifying unavailable
J. FairmanCooper #221975 No error range P8 Not assessedQualifying unavailable
H. HerrmannMaserati #241961 No error range P9 Not assessedQualifying unavailable
C. AllisonTeam Lotus #112098 No error range P10 Not assessedQualifying unavailable
J. BrabhamCooper #211977 No error range P11 Not assessedQualifying unavailable
G. GeriniMaserati #152029 No error range P12 Not assessedQualifying unavailable
B. McLarenCooper #92117 No error range P13 Not assessedQualifying unavailable
R. La CazeCooper #18.52000 No error range P14 Not assessedQualifying unavailable
A. GuelfiCooper #18.52000 No error range P15 Not assessedQualifying unavailable
G. HillTeam Lotus #132047 No error range P16 Not assessedQualifying unavailable
S. Lewis-EvansVanwall #52184 No error range DNFAccident Not assessedQualifying unavailable
F. PicardCooper #18.52000 No error range DNFAccident Not assessedQualifying unavailable
T. BridgerCooper #18.52000 No error range DNFAccident Not assessedQualifying unavailable
T. BrooksVanwall #32265 No error range DNFEngine Not assessedQualifying unavailable
O. GendebienFerrari #142042 No error range DNFAccident Not assessedQualifying unavailable
J. BehraBRM #102103 No error range DNFEngine Not assessedQualifying unavailable
W. SeidelCooper #162005 No error range DNFAccident Not assessedQualifying unavailable
R. FlockhartBRM #231971 No error range DNFEngine Not assessedQualifying unavailable
M. TrintignantCooper #62153 No error range DNFEngine 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

Bonnier+144.5 Elo

Largest grid-to-finish gain

Guelfi+10 places

The bigger picture

Championship after this round

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

  1. 1 Hawthorn 42pts 0
  2. 2 Moss 41pts 0
  3. 3 Brooks 24pts 0
  4. 4 Salvadori 15pts 0
  5. 5 Collins 14pts 0

Movement since round 10. 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.

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 →
25
Result Entries
Avg Elo
Highest Elo (Hawthorn)
9
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇬🇧 S.Moss 2 +1 +9 41 P2 +111.2 2,240
P2 🇬🇧 M.Hawthorn 1 -1 +6 42 P1 +25.6 2,427
P3 🇺🇸 P.Hill 5 +2 +4 9 P10 +61.0 2,278
P4 🇸🇪 J.Bonnier 8 +4 +3 3 P20 +144.5 2,082
P5 🇺🇸 H.Schell 10 +5 +2 14 P6 +92.6 2,152
P6 🇺🇸 M.Gregory 13 +7 0 0 P22 +55.1 2,191
P7 🇬🇧 R.Salvadori 14 +7 0 15 P4 +2.9 2,272
P8 🇬🇧 J.Fairman 11 +3 0 0 P33 +89.7 2,064
P9 🇩🇪 H.Herrmann 18 +9 0 0 P37 +83.6 2,044
P10 🇬🇧 C.Allison 16 +6 0 3 P19 +25.7 2,123
P11 🇦🇺 J.Brabham 19 +8 0 3 P18 +56.9 2,034
P12 🇮🇹 G.Gerini 17 +5 0 0 P36 +28.5 2,057
P13 🇳🇿 B.McLaren 21 +8 0 0 P24 -13.2 2,104
P14 🇫🇷 R.La Caze 23 +9 0 0 P48 +17.0 2,017
P15 🇫🇷 A.Guelfi 25 +10 0 0 P49 +6.3 2,006
P16 🇬🇧 G.Hill 12 -4 0 0 P25 -20.7 2,027
DNF 🇬🇧 S.Lewis-Evans 3 0 11 P9 -78.3 2,106
DNF 🇫🇷 F.Picard 24 0 0 P60 -25.7 1,974
DNF 🇬🇧 T.Bridger 22 0 0 P63 -36.4 1,964
DNF 🇬🇧 T.Brooks 7 0 24 P3 -135.1 2,130
DNF 🇧🇪 O.Gendebien 6 0 0 P26 -72.4 1,970
DNF 🇫🇷 J.Behra 4 0 9 P12 -104.3 1,998
DNF 🇩🇪 W.Seidel 20 0 0 P52 -80.9 1,924
DNF 🇬🇧 R.Flockhart 15 0 0 P57 -80.1 1,891
DNF 🇫🇷 M.Trintignant 9 0 12 P7 -153.6 1,999

Qualifying results are not available for this race.

Elo Changes