Round 4 · 1974

Jarama

Madrid, Spain · April 28, 1974 · Circuit History · Wikipedia

The race, in perspective

Race debrief

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

R041974
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27 stored results 27/27 Elo snapshots 25/27 numbered grid slots 0/27 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.

0/27 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.

0/27 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 → P27vs expectedReading
N. LaudaFerrari #182005 No error range P1 Not assessedQualifying unavailable
C. RegazzoniFerrari #72180 No error range P2 Not assessedQualifying unavailable
E. FittipaldiMcLaren #22325 No error range P3 Not assessedQualifying unavailable
H. StuckMarch #132069 No error range P4 Not assessedQualifying unavailable
J. ScheckterTyrrell #122072 No error range P5 Not assessedQualifying unavailable
D. HulmeMcLaren #42255 No error range P6 Not assessedQualifying unavailable
B. RedmanShadow #172023 No error range P7 Not assessedQualifying unavailable
P. DepaillerTyrrell #62220 No error range P8 Not assessedQualifying unavailable
M. HailwoodMcLaren #52253 No error range P9 Not assessedQualifying unavailable
J. HuntHesketh #152052 No error range P10 Not assessedQualifying unavailable
J. WatsonBrabham #221967 No error range P11 Not assessedQualifying unavailable
H. PescaroloBRM #162043 No error range P12 Not assessedQualifying unavailable
C. PaceSurtees #92112 No error range P13 Not assessedQualifying unavailable
T. SchenkenTrojan #201995 No error range DNFSpun off Not assessedQualifying unavailable
J. JarierShadow #241930 No error range NCNot classified Not assessedQualifying unavailable
G. HillLola #112107 No error range DNFEngine Not assessedQualifying unavailable
A. MerzarioIso Marlboro #142068 No error range DNFAccident Not assessedQualifying unavailable
J. MassSurtees #261922 No error range DNFGearbox Not assessedQualifying unavailable
F. MigaultBRM #211985 No error range DNFEngine Not assessedQualifying unavailable
J. IckxTeam Lotus #82157 No error range DNFBrakes Not assessedQualifying unavailable
R. PetersonTeam Lotus #102110 No error range DNFEngine Not assessedQualifying unavailable
C. AmonAmon #191998 No error range DNFBrakes Not assessedQualifying unavailable
R. von OpelBrabham #271896 No error range DNFOil leak Not assessedQualifying unavailable
C. ReutemannBrabham #12333 No error range DNFSpun off Not assessedQualifying unavailable
J. BeltoiseBRM #32279 No error range DNFEngine Not assessedQualifying unavailable
G. EdwardsLola #231963 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
T. BelsøIso Marlboro #251923 Grid unnumbered No error range DNQDid not qualify 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

Lauda+117.5 Elo

Largest grid-to-finish gain

Redman+14 places

The bigger picture

Championship after this round

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

  1. 1 Regazzoni 16pts 0
  2. 2 Lauda 15pts +5
  3. 3 Fittipaldi 13pts 0
  4. 4 Hulme 10pts 0
  5. 5 Reutemann 9pts −3

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.

Shadow

RedmanP7+67.7 Elo
JarierNC+30.3 Elo

Non-finish recorded; no finishing gap comparison.

Surtees

PaceP13−0.7 Elo
MassDNF+9.4 Elo

Non-finish recorded; no finishing gap comparison.

Lola

HillDNF−21.9 Elo
EdwardsDNQ−60.4 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 →
27
Result Entries
Avg Elo
Highest Elo (Fittipaldi)
14
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇦🇹 N.Lauda 1 +9 15 P2 +117.5 2,122
P2 🇨🇭 C.Regazzoni 3 +1 +6 16 P1 +65.1 2,245
P3 🇧🇷 E.Fittipaldi 4 +1 +4 13 P3 +26.3 2,351
P4 🇩🇪 H.Stuck 13 +9 +3 5 P8 +78.2 2,148
P5 🇿🇦 J.Scheckter 9 +4 +2 2 P12 +70.0 2,142
P6 🇳🇿 D.Hulme 8 +2 +1 10 P4 +17.6 2,273
P7 🇬🇧 B.Redman 21 +14 0 0 P15 +67.7 2,091
P8 🇫🇷 P.Depailler 16 +8 0 4 P10 +10.3 2,231
P9 🇬🇧 M.Hailwood 17 +8 0 9 P6 -4.5 2,249
P10 🇬🇧 J.Hunt 10 0 0 P17 +37.5 2,090
P11 🇬🇧 J.Watson 15 +4 0 0 P21 +51.6 2,018
P12 🇫🇷 H.Pescarolo 20 +8 0 0 P18 +24.8 2,068
P13 🇧🇷 C.Pace 14 +1 0 3 P11 -0.7 2,112
DNF 🇦🇺 T.Schenken 25 0 0 P25 +22.1 2,017
NC 🇫🇷 J.Jarier 12 0 0 P30 +30.3 1,960
DNF 🇬🇧 G.Hill 19 0 0 P20 -21.9 2,085
DNF 🇮🇹 A.Merzario 7 0 1 P14 -19.4 2,049
DNF 🇩🇪 J.Mass 18 0 0 P28 +9.4 1,932
DNF 🇫🇷 F.Migault 22 0 0 P26 -13.2 1,972
DNF 🇧🇪 J.Ickx 5 0 4 P9 -64.7 2,092
DNF 🇸🇪 R.Peterson 2 0 1 P13 -60.5 2,050
DNF 🇳🇿 C.Amon 23 0 0 P32 -38.9 1,959
DNF 🇱🇮 R.von Opel 24 0 0 P33 -22.4 1,873
DNF 🇦🇷 C.Reutemann 6 0 9 P5 -133.2 2,199
DNF 🇫🇷 J.Beltoise 11 0 8 P7 -130.4 2,148
DNQ 🇬🇧 G.Edwards 0 0 0 P22 -60.4 1,903
DNQ 🇩🇰 T.Belsø 0 0 0 P35 -58.5 1,864

Qualifying results are not available for this race.

Elo Changes