Round 5 · 1951

Silverstone Circuit

Silverstone, UK · July 14, 1951 · Circuit History · Wikipedia

Kings of this circuit
The race, in perspective

Race debrief

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

R051951
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20 stored results 20/20 Elo snapshots 20/20 numbered grid slots 0/20 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.

0/20 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.

0/20 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 → P20vs expectedReading
J. GonzálezFerrari #102034 No error range P1 Not assessedQualifying unavailable
J. FangioAlfa Romeo #62110 No error range P2 Not assessedQualifying unavailable
L. VilloresiFerrari #32159 No error range P3 Not assessedQualifying unavailable
F. BonettoAlfa Romeo #201832 No error range P4 Not assessedQualifying unavailable
R. ParnellBRM #52140 No error range P5 Not assessedQualifying unavailable
C. SanesiAlfa Romeo #122021 No error range P6 Not assessedQualifying unavailable
P. WalkerBRM #191833 No error range P7 Not assessedQualifying unavailable
B. Shawe TaylorERA #112026 No error range P8 Not assessedQualifying unavailable
P. WhiteheadFerrari #181872 No error range P9 Not assessedQualifying unavailable
L. RosierTalbot-Lago #72103 No error range P10 Not assessedQualifying unavailable
B. GerardERA #42153 No error range P11 Not assessedQualifying unavailable
D. HamiltonTalbot-Lago #152000 No error range P12 Not assessedQualifying unavailable
J. ClaesTalbot-Lago #132007 No error range P13 Not assessedQualifying unavailable
N. FarinaAlfa Romeo #12353 No error range DNFClutch Not assessedQualifying unavailable
J. KellyAlta #171965 No error range NCNot classified Not assessedQualifying unavailable
A. AscariFerrari #22272 No error range DNFGearbox Not assessedQualifying unavailable
P. Fotheringham-ParkerMaserati #152000 No error range DNFOil leak Not assessedQualifying unavailable
D. MurrayMaserati #82083 No error range DNFEngine Not assessedQualifying unavailable
L. ChironTalbot-Lago #92074 No error range DNFBrakes Not assessedQualifying unavailable
J. JamesMaserati #152000 No error range DNFRadiator 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

Bonetto+192.4 Elo

Largest Elo loss

Ascari−176.1 Elo

Largest grid-to-finish gain

Parnell+15 places

The bigger picture

Championship after this round

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

  1. 1 Fangio 21pts 0
  2. 2 Farina 15pts 0
  3. 3 Villoresi 12pts +2
  4. 4 González 11pts +5
  5. 5 Wallard 9pts −2

Movement since round 4. 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 →
20
Result Entries
Avg Elo
Highest Elo (Villoresi)
7
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇦🇷 J.González 1 +8 11 P4 +164.0 2,198
P2 🇦🇷 J.Fangio 2 +6 21 P1 +115.4 2,225
P3 🇮🇹 L.Villoresi 5 +2 +4 12 P3 +78.8 2,238
P4 🇮🇹 F.Bonetto 7 +3 +3 3 P13 +192.4 2,024
P5 🇬🇧 R.Parnell 20 +15 +2 5 P9 +53.3 2,194
P6 🇮🇹 C.Sanesi 6 0 3 P11 +86.9 2,108
P7 🇬🇧 P.Walker 19 +12 0 0 P25 +142.4 1,976
P8 🇬🇧 B.Shawe Taylor 12 +4 0 0 P30 +51.6 2,078
P9 🇬🇧 P.Whitehead 8 -1 0 0 P32 +96.3 1,968
P10 🇫🇷 L.Rosier 9 -1 0 3 P12 -14.0 2,089
P11 🇬🇧 B.Gerard 10 -1 0 0 P35 -51.0 2,102
P12 🇬🇧 D.Hamilton 11 -1 0 0 P37 -3.3 1,997
P13 🇧🇪 J.Claes 14 +1 0 0 P23 -22.9 1,984
DNF 🇮🇹 N.Farina 3 +1 15 P2 -166.0 2,187
NC 🇮🇪 J.Kelly 18 0 0 P46 -38.4 1,927
DNF 🇮🇹 A.Ascari 4 0 9 P6 -176.1 2,096
DNF 🇬🇧 P.Fotheringham-Parker 16 0 0 P51 -85.9 1,914
DNF 🇬🇧 D.Murray 15 0 0 P53 -137.6 1,945
DNF 🇲🇨 L.Chiron 13 0 0 P20 -150.5 1,924
DNF 🇬🇧 J.James 17 0 0 P57 -135.5 1,865

Qualifying results are not available for this race.

Elo Changes