Round 9 · 1973

Silverstone Circuit

Silverstone, UK · July 14, 1973 · Circuit History · Wikipedia

Kings of this circuit
The race, in perspective

Race debrief

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

R091973
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29 stored results 29/29 Elo snapshots 29/29 numbered grid slots 0/29 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.

0/29 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.

0/29 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 → P29vs expectedReading
P. RevsonMcLaren #62225 No error range P1 Not assessedQualifying unavailable
R. PetersonTeam Lotus #42271 No error range P2 Not assessedQualifying unavailable
D. HulmeMcLaren #22362 No error range P3 Not assessedQualifying unavailable
J. HuntMarch #92116 No error range P4 Not assessedQualifying unavailable
F. CevertTyrrell #32359 No error range P5 Not assessedQualifying unavailable
C. ReutemannBrabham #72165 No error range P6 Not assessedQualifying unavailable
C. RegazzoniBRM #132074 No error range P7 Not assessedQualifying unavailable
J. IckxFerrari #82144 No error range P8 Not assessedQualifying unavailable
H. GanleyIso Marlboro #152047 No error range P9 Not assessedQualifying unavailable
J. StewartTyrrell #12387 No error range P10 Not assessedQualifying unavailable
M. BeuttlerMarch #162045 No error range P11 Not assessedQualifying unavailable
N. LaudaBRM #142053 No error range P12 Not assessedQualifying unavailable
R. von OpelEnsign #202006 No error range P13 Not assessedQualifying unavailable
W. FittipaldiBrabham #261976 No error range DNFOil leak Not assessedQualifying unavailable
E. FittipaldiTeam Lotus #52237 No error range DNFTransmission Not assessedQualifying unavailable
J. WatsonBrabham #22.52000 No error range DNFFuel system Not assessedQualifying unavailable
G. HillShadow #112080 No error range DNFChassis Not assessedQualifying unavailable
C. AmonTecno #102106 No error range DNFFuel system Not assessedQualifying unavailable
J. ScheckterMcLaren #122076 No error range DNFCollision Not assessedQualifying unavailable
M. HailwoodSurtees #281927 No error range DNFCollision Not assessedQualifying unavailable
J. MassSurtees #22.52000 No error range DNFCollision Not assessedQualifying unavailable
C. PaceSurtees #182026 No error range DNFCollision Not assessedQualifying unavailable
J. BeltoiseBRM #172036 No error range DNFCollision Not assessedQualifying unavailable
A. de AdamichBrabham #192024 No error range DNFCollision Not assessedQualifying unavailable
R. WilliamsonMarch #22.52000 No error range DNFCollision Not assessedQualifying unavailable
G. FollmerShadow #251991 No error range DNFCollision Not assessedQualifying unavailable
J. OliverShadow #291895 No error range DNFCollision Not assessedQualifying unavailable
G. McRaeIso Marlboro #22.52000 No error range DNFThrottle Not assessedQualifying unavailable
D. PurleyMarch #271966 No error range DNFSpun off 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

Hunt+71.4 Elo

Largest Elo loss

McRae−71.6 Elo

Largest grid-to-finish gain

Beuttler+13 places

The bigger picture

Championship after this round

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

  1. 1 Stewart 42pts 0
  2. 2 Fittipaldi 41pts 0
  3. 3 Cevert 33pts 0
  4. 4 Peterson 25pts 0
  5. 5 Hulme 23pts 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.

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 →
29
Result Entries
Avg Elo
Highest Elo (Hulme)
16
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇺🇸 P.Revson 3 +2 +9 20 P6 +65.5 2,290
P2 🇸🇪 R.Peterson 1 -1 +6 25 P4 +47.9 2,319
P3 🇳🇿 D.Hulme 2 -1 +4 23 P5 +23.1 2,385
P4 🇬🇧 J.Hunt 11 +7 +3 4 P11 +71.4 2,187
P5 🇫🇷 F.Cevert 7 +2 +2 33 P3 +9.0 2,368
P6 🇦🇷 C.Reutemann 8 +2 +1 8 P7 +44.1 2,209
P7 🇨🇭 C.Regazzoni 10 +3 0 1 P15 +60.9 2,135
P8 🇧🇪 J.Ickx 19 +11 0 8 P8 +35.0 2,179
P9 🇳🇿 H.Ganley 18 +9 0 0 P19 +53.8 2,100
P10 🇬🇧 J.Stewart 4 -6 0 42 P1 -31.9 2,356
P11 🇬🇧 M.Beuttler 24 +13 0 0 P18 +39.9 2,084
P12 🇦🇹 N.Lauda 9 -3 0 2 P13 +30.3 2,083
P13 🇱🇮 R.von Opel 21 +8 0 0 P28 +35.7 2,041
DNF 🇧🇷 W.Fittipaldi 13 0 1 P16 +36.3 2,012
DNF 🇧🇷 E.Fittipaldi 5 0 41 P2 -39.0 2,198
DNF 🇬🇧 J.Watson 23 0 0 P31 +15.4 2,015
DNF 🇬🇧 G.Hill 27 0 0 P23 -13.2 2,067
DNF 🇳🇿 C.Amon 29 0 1 P17 -27.5 2,078
DNF 🇿🇦 J.Scheckter 6 0 0 P25 -26.8 2,049
DNF 🇬🇧 M.Hailwood 12 0 0 P21 +4.8 1,932
DNF 🇩🇪 J.Mass 14 0 0 P35 -20.8 1,979
DNF 🇧🇷 C.Pace 15 0 0 P20 -34.9 1,991
DNF 🇫🇷 J.Beltoise 17 0 2 P14 -44.9 1,991
DNF 🇮🇹 A.de Adamich 20 0 3 P12 -49.0 1,975
DNF 🇬🇧 R.Williamson 22 0 0 P37 -49.9 1,950
DNF 🇺🇸 G.Follmer 25 0 5 P10 -54.8 1,936
DNF 🇬🇧 J.Oliver 26 0 0 P26 -38.6 1,856
DNF 🇳🇿 G.McRae 28 0 0 P38 -71.6 1,928
DNF 🇬🇧 D.Purley 16 0 0 P33 -70.2 1,896

Qualifying results are not available for this race.

Elo Changes