Round 6 · 1983

Circuit de Spa-Francorchamps

Spa, Belgium · May 22, 1983 · Circuit History · Wikipedia

Kings of this circuit
The race, in perspective

Race debrief

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

R061983
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28 stored results 28/28 Elo snapshots 26/28 numbered grid slots 0/28 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.

0/28 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.

0/28 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 → P28vs expectedReading
A. ProstRenault #12431 No error range P1 Not assessedQualifying unavailable
P. TambayFerrari #32351 No error range P2 Not assessedQualifying unavailable
E. CheeverRenault #112149 No error range P3 Not assessedQualifying unavailable
N. PiquetBrabham #52307 No error range P4 Not assessedQualifying unavailable
K. RosbergWilliams #22386 No error range P5 Not assessedQualifying unavailable
J. LaffiteWilliams #62299 No error range P6 Not assessedQualifying unavailable
D. WarwickToleman #212053 No error range P7 Not assessedQualifying unavailable
B. GiacomelliToleman #222035 No error range P8 Not assessedQualifying unavailable
E. de AngelisTeam Lotus #132137 No error range P9 Not assessedQualifying unavailable
J. CecottoTheodore #232015 No error range P10 Not assessedQualifying unavailable
M. SurerArrows #42320 No error range P11 Not assessedQualifying unavailable
D. SullivanTyrrell #102163 No error range P12 Not assessedQualifying unavailable
R. BoeselLigier #172120 No error range P13 Not assessedQualifying unavailable
M. AlboretoTyrrell #162123 No error range P14 Not assessedQualifying unavailable
N. LaudaMcLaren #142136 No error range DNFGearbox Not assessedQualifying unavailable
N. MansellTeam Lotus #182094 No error range DNFGearbox Not assessedQualifying unavailable
A. de CesarisAlfa Romeo #152129 No error range DNFInjection Not assessedQualifying unavailable
R. GuerreroTheodore #261903 No error range DNFEngine Not assessedQualifying unavailable
R. ArnouxFerrari #72288 No error range DNFEngine Not assessedQualifying unavailable
C. FabiOsella #251942 No error range DNFWheel Not assessedQualifying unavailable
M. WinkelhockATS #202066 No error range DNFWheel Not assessedQualifying unavailable
J. WatsonMcLaren #92165 No error range DNFCollision Not assessedQualifying unavailable
J. JarierLigier #192078 No error range DNFCollision Not assessedQualifying unavailable
T. BoutsenArrows #242000 No error range DNFSuspension Not assessedQualifying unavailable
M. BaldiAlfa Romeo #82180 No error range DNFThrottle Not assessedQualifying unavailable
R. PatreseBrabham #122146 No error range DNFEngine Not assessedQualifying unavailable
P. GhinzaniOsella #281807 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
E. SalazarRAM #271879 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

Cheever+80.6 Elo

Largest Elo loss

Baldi−89.7 Elo

Largest grid-to-finish gain

Warwick+15 places

The bigger picture

Championship after this round

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

  1. 1 Prost 28pts +1
  2. 2 Piquet 24pts −1
  3. 3 Tambay 23pts 0
  4. 4 Rosberg 16pts 0
  5. 5 Watson 11pts 0

Movement since round 5. 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.

Ferrari

TambayP2+41.0 Elo
ArnouxDNF−71.3 Elo

Non-finish recorded; no finishing gap comparison.

Arrows

SurerP11−19.0 Elo
BoutsenDNF−37.5 Elo

Non-finish recorded; no finishing gap comparison.

Ligier

BoeselP13+14.1 Elo
JarierDNF−49.0 Elo

Non-finish recorded; no finishing gap comparison.

McLaren

LaudaDNF−4.6 Elo
WatsonDNF−63.9 Elo

Non-finish recorded; no finishing gap comparison.

Osella

FabiDNF+5.0 Elo
GhinzaniDNQ−22.6 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 →
28
Result Entries
Avg Elo
Highest Elo (Prost)
14
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇫🇷 A.Prost 1 +9 28 P1 +34.1 2,465
P2 🇫🇷 P.Tambay 2 +6 23 P3 +41.0 2,392
P3 🇺🇸 E.Cheever 8 +5 +4 8 P8 +80.6 2,230
P4 🇧🇷 N.Piquet 4 +3 24 P2 +35.3 2,343
P5 🇫🇮 K.Rosberg 9 +4 +2 16 P4 +12.3 2,398
P6 🇫🇷 J.Laffite 11 +5 +1 8 P9 +22.2 2,322
P7 🇬🇧 D.Warwick 22 +15 0 0 P15 +75.4 2,129
P8 🇮🇹 B.Giacomelli 16 +8 0 0 P18 +72.3 2,108
P9 🇮🇹 E.de Angelis 13 +4 0 0 P19 +39.4 2,176
P10 🇻🇪 J.Cecotto 25 +15 0 1 P12 +62.5 2,077
P11 🇨🇭 M.Surer 10 -1 0 4 P10 -19.0 2,300
P12 🇺🇸 D.Sullivan 23 +11 0 2 P11 +10.5 2,174
P13 🇧🇷 R.Boesel 26 +13 0 0 P16 +14.1 2,135
P14 🇮🇹 M.Alboreto 17 +3 0 0 P17 +6.0 2,129
DNF 🇦🇹 N.Lauda 15 0 10 P6 -4.6 2,131
DNF 🇬🇧 N.Mansell 19 0 0 P23 -1.3 2,092
DNF 🇮🇹 A.de Cesaris 3 0 0 P24 -17.7 2,112
DNF 🇨🇴 R.Guerrero 14 0 0 P28 +27.5 1,931
DNF 🇫🇷 R.Arnoux 5 0 8 P7 -71.3 2,217
DNF 🇮🇹 C.Fabi 24 0 0 P27 +5.0 1,947
DNF 🇩🇪 M.Winkelhock 7 0 0 P22 -31.3 2,035
DNF 🇬🇧 J.Watson 20 0 11 P5 -63.9 2,101
DNF 🇫🇷 J.Jarier 21 0 0 P20 -49.0 2,029
DNF 🇧🇪 T.Boutsen 18 0 0 P29 -37.5 1,963
DNF 🇮🇹 M.Baldi 12 0 1 P13 -89.7 2,090
DNF 🇮🇹 R.Patrese 6 0 0 P21 -88.6 2,058
DNQ 🇮🇹 P.Ghinzani 0 0 0 P30 -22.6 1,784
DNQ 🇨🇱 E.Salazar 0 0 0 P25 -41.8 1,837

Qualifying results are not available for this race.

Elo Changes