Round 2 · 1977

Autódromo José Carlos Pace

São Paulo, Brazil · January 23, 1977 · Circuit History · Wikipedia

Kings of this circuit
The race, in perspective

Race debrief

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

R021977
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22 stored results 22/22 Elo snapshots 22/22 numbered grid slots 0/22 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.

0/22 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.

0/22 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 → P22vs expectedReading
C. ReutemannFerrari #142131 No error range P1 Not assessedQualifying unavailable
J. HuntMcLaren #32357 No error range P2 Not assessedQualifying unavailable
N. LaudaFerrari #82194 No error range P3 Not assessedQualifying unavailable
E. FittipaldiFittipaldi #132132 No error range P4 Not assessedQualifying unavailable
G. NilssonTeam Lotus #152078 No error range P5 Not assessedQualifying unavailable
R. ZorziShadow #182024 No error range P6 Not assessedQualifying unavailable
I. HoffmannFittipaldi #221887 No error range P7 Not assessedQualifying unavailable
C. PaceBrabham #122162 No error range DNFAccident Not assessedQualifying unavailable
T. PryceShadow #72211 No error range DNFEngine Not assessedQualifying unavailable
H. BinderSurtees #192016 No error range DNFSuspension Not assessedQualifying unavailable
J. WatsonBrabham #62217 No error range DNFAccident Not assessedQualifying unavailable
J. LaffiteLigier #102172 No error range DNFAccident Not assessedQualifying unavailable
P. DepaillerTyrrell #52224 No error range DNFAccident Not assessedQualifying unavailable
M. AndrettiTeam Lotus #42279 No error range DNFIgnition Not assessedQualifying unavailable
A. RibeiroMarch #162069 No error range DNFEngine Not assessedQualifying unavailable
J. MassMcLaren #92177 No error range DNFAccident Not assessedQualifying unavailable
R. PetersonTyrrell #172042 No error range DNFAccident Not assessedQualifying unavailable
C. RegazzoniEnsign #22364 No error range DNFAccident Not assessedQualifying unavailable
V. BrambillaSurtees #112169 No error range DNFAccident Not assessedQualifying unavailable
J. ScheckterWolf #12406 No error range DNFEngine Not assessedQualifying unavailable
I. ScheckterMarch #202016 No error range DNFTransmission Not assessedQualifying unavailable
L. PerkinsBRM #211938 No error range DNFOverheating 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 grid-to-finish gain

Fittipaldi+12 places

The bigger picture

Championship after this round

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

  1. 1 Reutemann 13pts +2
  2. 2 Scheckter 9pts −1
  3. 3 Pace 6pts −1
  4. 4 Hunt 6pts +10
  5. 5 Fittipaldi 6pts −1

Movement since round 1. 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.

McLaren

HuntP2+30.4 Elo
MassDNF−39.2 Elo

Non-finish recorded; no finishing gap comparison.

Shadow

ZorziP6+65.5 Elo
PryceDNF+5.4 Elo

Non-finish recorded; no finishing gap comparison.

Brabham

PaceDNF+23.0 Elo
WatsonDNF−10.4 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 →
22
Result Entries
Avg Elo
Highest Elo (Hunt)
15
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇦🇷 C.Reutemann 2 +1 +9 13 P1 +81.1 2,212
P2 🇬🇧 J.Hunt 1 -1 +6 6 P4 +30.4 2,388
P3 🇦🇹 N.Lauda 13 +10 +4 4 P6 +53.3 2,248
P4 🇧🇷 E.Fittipaldi 16 +12 +3 6 P5 +58.8 2,191
P5 🇸🇪 G.Nilsson 10 +5 +2 2 P8 +62.4 2,140
P6 🇮🇹 R.Zorzi 18 +12 +1 1 P10 +65.5 2,090
P7 🇧🇷 I.Hoffmann 19 +12 0 0 P11 +81.1 1,968
DNF 🇧🇷 C.Pace 12 0 6 P3 +23.0 2,185
DNF 🇬🇧 T.Pryce 5 0 0 P14 +5.4 2,217
DNF 🇦🇹 H.Binder 20 0 0 P16 +37.5 2,054
DNF 🇬🇧 J.Watson 7 0 0 P15 -10.4 2,206
DNF 🇫🇷 J.Laffite 14 0 0 P18 -8.7 2,164
DNF 🇫🇷 P.Depailler 6 0 0 P19 -26.6 2,197
DNF 🇺🇸 M.Andretti 3 0 2 P7 -44.7 2,234
DNF 🇧🇷 A.Ribeiro 21 0 0 P17 -9.8 2,060
DNF 🇩🇪 J.Mass 4 0 0 P20 -39.2 2,138
DNF 🇸🇪 R.Peterson 8 0 0 P21 -19.2 2,023
DNF 🇨🇭 C.Regazzoni 9 0 1 P9 -89.0 2,275
DNF 🇮🇹 V.Brambilla 11 0 0 P12 -59.7 2,109
DNF 🇿🇦 J.Scheckter 15 0 9 P2 -110.1 2,296
DNF 🇿🇦 I.Scheckter 17 0 0 P13 -43.8 1,972
DNF 🇦🇺 L.Perkins 22 0 0 P22 -37.5 1,900

Qualifying results are not available for this race.

Elo Changes