Round 4 · 1956

Circuit de Spa-Francorchamps

Spa, Belgium · June 03, 1956 · Circuit History · Wikipedia

Kings of this circuit
The race, in perspective

Race debrief

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

R041956
Share this debrief
Preview share card ↗
15 stored results 15/15 Elo snapshots 15/15 numbered grid slots 0/15 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.

0/15 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.

0/15 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 → P15vs expectedReading
P. CollinsFerrari #52139 No error range P1 Not assessedQualifying unavailable
P. FrèreFerrari #42220 No error range P2 Not assessedQualifying unavailable
C. PerdisaMaserati #72128 No error range P3 Not assessedQualifying unavailable
H. SchellVanwall #151901 No error range P4 Not assessedQualifying unavailable
L. VilloresiMaserati #141914 No error range P5 Not assessedQualifying unavailable
A. PiletteFerrari #82124 No error range P6 Not assessedQualifying unavailable
J. BehraMaserati #22292 No error range P7 Not assessedQualifying unavailable
L. RosierMaserati #112045 No error range P8 Not assessedQualifying unavailable
J. FangioFerrari #12320 No error range DNFTransmission Not assessedQualifying unavailable
M. TrintignantVanwall #92098 No error range DNFFuel system Not assessedQualifying unavailable
S. MossMaserati #32289 No error range DNFWheel Not assessedQualifying unavailable
E. CastellottiFerrari #122035 No error range DNFTransmission Not assessedQualifying unavailable
P. ScottiConnaught #132000 No error range DNFEngine Not assessedQualifying unavailable
H. GouldMaserati #102046 No error range DNFGearbox Not assessedQualifying unavailable
P. GodiaMaserati #62136 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

Schell+149.0 Elo

Largest Elo loss

Godia−143.7 Elo

Largest grid-to-finish gain

Pilette+10 places

The bigger picture

Championship after this round

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

  1. 1 Collins 11pts +8
  2. 2 Moss 11pts +1
  3. 3 Fangio 10.5pts −2
  4. 4 Behra 10pts −2
  5. 5 Flaherty 8pts −1

Movement since round 3. 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 →
15
Result Entries
Avg Elo
Highest Elo (Frère)
7
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇬🇧 P.Collins 3 +2 +8 11 P1 +124.9 2,264
P2 🇧🇪 P.Frère 8 +6 +6 6 P6 +76.3 2,297
P3 🇮🇹 C.Perdisa 9 +6 +2 2 P13 +90.4 2,218
P4 🇺🇸 H.Schell 6 +2 +3 3 P11 +149.0 2,050
P5 🇮🇹 L.Villoresi 11 +6 +2 2 P17 +125.9 2,040
P6 🇧🇪 A.Pilette 16 +10 0 0 P22 +34.2 2,158
P7 🇫🇷 J.Behra 4 -3 0 10 P4 -43.4 2,249
P8 🇫🇷 L.Rosier 10 +2 0 0 P28 +24.7 2,070
DNF 🇦🇷 J.Fangio 1 0 10.5 P3 -90.1 2,230
DNF 🇫🇷 M.Trintignant 7 0 0 P44 -33.3 2,065
DNF 🇬🇧 S.Moss 2 0 11 P2 -119.4 2,170
DNF 🇮🇹 E.Castellotti 5 0 1.5 P18 -48.6 1,986
DNF 🇮🇹 P.Scotti 12 0 0 P47 -55.6 1,944
DNF 🇬🇧 H.Gould 15 0 0 P29 -91.1 1,955
DNF 🇪🇸 P.Godia 13 0 0 P48 -143.7 1,993

Qualifying results are not available for this race.

Elo Changes