Round 15 · 1989

Suzuka Circuit

Suzuka, Japan · October 22, 1989 · Circuit History · Wikipedia

Kings of this circuit
The race, in perspective

Race debrief

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

R151989
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39 stored results 39/39 Elo snapshots 26/39 numbered grid slots 0/39 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.

0/39 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.

0/39 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 → P39vs expectedReading
A. NanniniBenetton #122216 No error range P1 Not assessedQualifying unavailable
R. PatreseWilliams #42326 No error range P2 Not assessedQualifying unavailable
T. BoutsenWilliams #72289 No error range P3 Not assessedQualifying unavailable
N. PiquetTeam Lotus #112230 No error range P4 Not assessedQualifying unavailable
M. BrundleBrabham #102244 No error range P5 Not assessedQualifying unavailable
D. WarwickArrows #92245 No error range P6 Not assessedQualifying unavailable
M. GugelminMarch #152192 No error range P7 Not assessedQualifying unavailable
E. CheeverArrows #192156 No error range P8 Not assessedQualifying unavailable
A. CaffiDallara #172167 No error range P9 Not assessedQualifying unavailable
A. de CesarisDallara #142201 No error range P10 Not assessedQualifying unavailable
A. SennaMcLaren #22386 No error range DSQDisqualified Not assessedQualifying unavailable
A. ProstMcLaren #12581 No error range DNFCollision Not assessedQualifying unavailable
S. ModenaBrabham #232086 No error range DNFEngine Not assessedQualifying unavailable
N. MansellFerrari #52319 No error range DNFEngine Not assessedQualifying unavailable
S. NakajimaTeam Lotus #202139 No error range DNFEngine Not assessedQualifying unavailable
J. AlesiTyrrell #62312 No error range DNFGearbox Not assessedQualifying unavailable
P. AlliotLarrousse #162191 No error range DNFEngine Not assessedQualifying unavailable
G. BergerFerrari #32344 No error range DNFGearbox Not assessedQualifying unavailable
E. PirroBenetton #182162 No error range DNFCollision Not assessedQualifying unavailable
O. GrouillardLigier #262076 No error range DNFEngine Not assessedQualifying unavailable
I. CapelliMarch #212104 No error range DNFSuspension Not assessedQualifying unavailable
N. LariniOsella #301877 No error range DNFBrakes Not assessedQualifying unavailable
J. PalmerTyrrell #82255 No error range DNFFuel leak Not assessedQualifying unavailable
B. SchneiderZakspeed #381647 No error range DNFGearbox Not assessedQualifying unavailable
L. Pérez-SalaMinardi #132206 No error range DNFCollision Not assessedQualifying unavailable
P. BarillaMinardi #282000 No error range DNFClutch Not assessedQualifying unavailable
R. ArnouxLigier #222088 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
M. AlboretoLarrousse #272030 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
P. RaphanelRial #341756 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
B. GachotRial #252076 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
P. GhinzaniOsella #331812 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
R. MorenoColoni #311822 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
S. JohanssonOnyx #242085 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
A. SuzukiZakspeed #391610 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
O. LarrauriEuro Brun #371691 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
J. JärvilehtoOnyx #291973 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
G. TarquiniAGS #321817 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
Y. DalmasAGS #361732 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
E. BertaggiaColoni #351739 Grid unnumbered No error range DNQDid not prequalify 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

Nannini+80.7 Elo

Largest grid-to-finish gain

Warwick+19 places

The bigger picture

Championship after this round

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

  1. 1 Prost 76pts 0
  2. 2 Senna 60pts 0
  3. 3 Mansell 38pts 0
  4. 4 Patrese 36pts 0
  5. 5 Boutsen 28pts 0

Movement since round 14. 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

SennaDSQ−14.0 Elo
ProstDNF−46.7 Elo

Non-finish recorded; no finishing gap comparison.

Ferrari

MansellDNF−18.4 Elo
BergerDNF−46.8 Elo

Non-finish recorded; no finishing gap comparison.

Tyrrell

AlesiDNF−28.5 Elo
PalmerDNF−56.8 Elo

Non-finish recorded; no finishing gap comparison.

Rial

RaphanelDNQ+16.9 Elo
GachotDNQ−54.4 Elo

Non-finish recorded; no finishing gap comparison.

AGS

TarquiniDNQ−40.0 Elo
DalmasDNQ−32.2 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 →
39
Result Entries
Avg Elo
Highest Elo (Prost)
29
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇮🇹 A.Nannini 6 +5 +9 26 P6 +80.7 2,297
P2 🇮🇹 R.Patrese 5 +3 +6 36 P4 +50.2 2,376
P3 🇧🇪 T.Boutsen 7 +4 +4 28 P5 +52.2 2,342
P4 🇧🇷 N.Piquet 11 +7 +3 12 P8 +59.9 2,290
P5 🇬🇧 M.Brundle 13 +8 +2 4 P20 +50.9 2,295
P6 🇬🇧 D.Warwick 25 +19 +1 7 P10 +44.9 2,289
P7 🇧🇷 M.Gugelmin 20 +13 0 4 P16 +51.5 2,244
P8 🇺🇸 E.Cheever 24 +16 0 6 P11 +54.5 2,211
P9 🇮🇹 A.Caffi 15 +6 0 4 P18 +46.0 2,213
P10 🇮🇹 A.de Cesaris 16 +6 0 4 P15 +31.9 2,233
DSQ 🇧🇷 A.Senna 1 0 60 P2 -14.0 2,372
DNF 🇫🇷 A.Prost 2 0 76 P1 -46.7 2,534
DNF 🇮🇹 S.Modena 9 0 4 P17 +42.5 2,129
DNF 🇬🇧 N.Mansell 4 0 38 P3 -18.4 2,301
DNF 🇯🇵 S.Nakajima 12 0 0 P28 +18.0 2,157
DNF 🇫🇷 J.Alesi 18 0 8 P9 -28.5 2,283
DNF 🇫🇷 P.Alliot 8 0 1 P27 -6.7 2,185
DNF 🇦🇹 G.Berger 3 0 21 P7 -46.8 2,297
DNF 🇮🇹 E.Pirro 22 0 0 P29 -11.1 2,151
DNF 🇫🇷 O.Grouillard 23 0 1 P24 +4.1 2,080
DNF 🇮🇹 I.Capelli 17 0 0 P30 -8.6 2,096
DNF 🇮🇹 N.Larini 10 0 0 P33 +36.4 1,914
DNF 🇬🇧 J.Palmer 26 0 2 P23 -56.8 2,198
DNF 🇩🇪 B.Schneider 21 0 0 P36 +61.0 1,708
DNF 🇪🇸 L.Pérez-Sala 14 0 1 P26 -56.9 2,149
DNF 🇮🇹 P.Barilla 19 0 0 P41 -13.0 1,987
DNQ 🇫🇷 R.Arnoux 0 0 2 P22 -39.8 2,049
DNQ 🇮🇹 M.Alboreto 0 0 6 P13 -31.6 1,998
DNQ 🇫🇷 P.Raphanel 0 0 0 P39 +16.9 1,772
DNQ 🇧🇪 B.Gachot 0 0 0 P32 -54.4 2,022
DNQ 🇮🇹 P.Ghinzani 0 0 0 P38 -4.2 1,808
DNQ 🇧🇷 R.Moreno 0 0 0 P35 -11.7 1,810
DNQ 🇸🇪 S.Johansson 0 0 6 P12 -74.1 2,011
DNQ 🇯🇵 A.Suzuki 0 0 0 P44 +6.8 1,617
DNQ 🇦🇷 O.Larrauri 0 0 0 P45 -8.8 1,682
DNQ 🇫🇮 J.Järvilehto 0 0 0 P37 -65.2 1,907
DNQ 🇮🇹 G.Tarquini 0 0 1 P25 -40.0 1,777
DNQ 🇫🇷 Y.Dalmas 0 0 0 P40 -32.2 1,700
DNQ 🇮🇹 E.Bertaggia 0 0 0 P47 -39.0 1,700

Qualifying results are not available for this race.

Elo Changes