Round 9 · 1963

Autódromo Hermanos Rodríguez

Mexico City, Mexico · October 27, 1963 · Circuit History · Wikipedia

Kings of this circuit
The race, in perspective

Race debrief

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

R091963
Share this debrief
Preview share card ↗
25 stored results 25/25 Elo snapshots 21/25 numbered grid slots 0/25 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.

0/25 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.

0/25 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 → P25vs expectedReading
J. ClarkLotus-Climax #12606 No error range P1 Not assessedQualifying unavailable
J. BrabhamBrabham #42376 No error range P2 Not assessedQualifying unavailable
R. GintherBRM #22496 No error range P3 Not assessedQualifying unavailable
G. HillBRM #32378 No error range P4 Not assessedQualifying unavailable
J. BonnierCooper-Climax #52318 No error range P5 Not assessedQualifying unavailable
D. GurneyBrabham #122194 No error range P6 Not assessedQualifying unavailable
H. SharpLotus-BRM #172040 No error range P7 Not assessedQualifying unavailable
J. HallLotus-BRM #62314 No error range P8 Not assessedQualifying unavailable
J. SiffertLotus-BRM #132194 No error range P9 Not assessedQualifying unavailable
C. de BeaufortPorsche #112205 No error range P10 Not assessedQualifying unavailable
M. SolanaBRM #212000 No error range DNFEngine Not assessedQualifying unavailable
P. HillATS #231998 No error range DNFSuspension Not assessedQualifying unavailable
L. BandiniFerrari #102214 No error range DNFIgnition Not assessedQualifying unavailable
B. McLarenCooper-Climax #92251 No error range DNFEngine Not assessedQualifying unavailable
P. RodríguezLotus-Climax #192016 No error range DNFSuspension Not assessedQualifying unavailable
M. GregoryLola #182019 No error range DNFSuspension Not assessedQualifying unavailable
J. SurteesFerrari #72290 No error range DSQDisqualified Not assessedQualifying unavailable
T. TaylorLotus-Climax #142110 No error range DNFEngine Not assessedQualifying unavailable
G. BaghettiATS #241931 No error range DNFEngine Not assessedQualifying unavailable
C. AmonLotus-BRM #152095 No error range DNFGearbox Not assessedQualifying unavailable
T. MaggsCooper-Climax #82286 No error range DNFEngine Not assessedQualifying unavailable
F. DochnalCooper-Climax #212000 Grid unnumbered No error range DNSWithdrew Not assessedQualifying unavailable
W. HansgenTeam Lotus #251883 Grid unnumbered No error range DNSWithdrew Not assessedQualifying unavailable
I. IrelandLotus-BRM #162085 Grid unnumbered No error range DNSWithdrew Not assessedQualifying unavailable
T. MonarchLotus-Climax #212000 Grid unnumbered No error range DNSWithdrew 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

Sharp+113.3 Elo

Largest Elo loss

Maggs−133.8 Elo

Largest grid-to-finish gain

Sharp+9 places

The bigger picture

Championship after this round

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

  1. 1 Clark 54pts 0
  2. 2 Ginther 29pts 0
  3. 3 Hill 25pts 0
  4. 4 Surtees 22pts 0
  5. 5 McLaren 14pts 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.

ATS

HillDNF+67.8 Elo
BaghettiDNF+5.0 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 →
25
Result Entries
Avg Elo
Highest Elo (Clark)
15
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇬🇧 J.Clark 1 +9 54 P1 +26.4 2,632
P2 🇦🇺 J.Brabham 10 +8 +6 14 P6 +62.8 2,438
P3 🇺🇸 R.Ginther 5 +2 +4 29 P2 +22.1 2,518
P4 🇬🇧 G.Hill 3 -1 +3 25 P3 +38.5 2,417
P5 🇸🇪 J.Bonnier 8 +3 +2 5 P10 +44.3 2,362
P6 🇺🇸 D.Gurney 4 -2 +1 13 P7 +72.9 2,267
P7 🇺🇸 H.Sharp 16 +9 0 0 P19 +113.3 2,153
P8 🇺🇸 J.Hall 15 +7 0 3 P13 +10.2 2,324
P9 🇨🇭 J.Siffert 9 0 1 P15 +37.7 2,231
P10 🇳🇱 C.de Beaufort 18 +8 0 2 P14 +22.1 2,227
DNF 🇲🇽 M.Solana 11 0 0 P27 +79.0 2,079
DNF 🇺🇸 P.Hill 17 0 0 P25 +67.8 2,066
DNF 🇮🇹 L.Bandini 7 0 4 P11 -16.1 2,197
DNF 🇳🇿 B.McLaren 6 0 14 P5 -40.5 2,211
DNF 🇲🇽 P.Rodríguez 20 0 0 P36 +27.0 2,043
DNF 🇺🇸 M.Gregory 14 0 0 P26 +14.2 2,033
DSQ 🇬🇧 J.Surtees 2 0 22 P4 -88.1 2,202
DNF 🇬🇧 T.Taylor 12 0 1 P16 -39.5 2,071
DNF 🇮🇹 G.Baghetti 21 0 0 P31 +5.0 1,936
DNF 🇳🇿 C.Amon 19 0 0 P18 -57.9 2,037
DNF 🇿🇦 T.Maggs 13 0 9 P8 -133.8 2,152
DNS 🇺🇸 F.Dochnal 0 0 0 P41 -50.4 1,950
DNS 🇺🇸 W.Hansgen 0 0 0 P40 -29.7 1,853
DNS 🇬🇧 I.Ireland 0 0 6 P9 -101.5 1,984
DNS 🇺🇸 T.Monarch 0 0 0 P45 -85.6 1,914

Qualifying results are not available for this race.

Elo Changes