Round 12 · 1989

Autodromo Nazionale di Monza

Monza, Italy · September 10, 1989 · Circuit History · Wikipedia

Kings of this circuit
The race, in perspective

Race debrief

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

R121989
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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. ProstMcLaren #12542 No error range P1 Not assessedQualifying unavailable
G. BergerFerrari #232105 No error range P2 Not assessedQualifying unavailable
T. BoutsenWilliams #42332 No error range P3 Not assessedQualifying unavailable
R. PatreseWilliams #62261 No error range P4 Not assessedQualifying unavailable
J. AlesiTyrrell #122202 No error range P5 Not assessedQualifying unavailable
M. BrundleBrabham #172142 No error range P6 Not assessedQualifying unavailable
P. MartiniMinardi #142188 No error range P7 Not assessedQualifying unavailable
L. Pérez-SalaMinardi #192139 No error range P8 Not assessedQualifying unavailable
R. ArnouxLigier #272035 No error range P9 Not assessedQualifying unavailable
S. NakajimaTeam Lotus #242084 No error range DNFSuspension Not assessedQualifying unavailable
A. CaffiDallara #212124 No error range DNFEngine Not assessedQualifying unavailable
A. de CesarisDallara #152170 No error range DNFEngine Not assessedQualifying unavailable
A. SennaMcLaren #22415 No error range DNFEngine Not assessedQualifying unavailable
N. MansellFerrari #32410 No error range DNFGearbox Not assessedQualifying unavailable
B. GachotOnyx #282032 No error range DNFRadiator Not assessedQualifying unavailable
A. NanniniBenetton #82238 No error range DNFBrakes Not assessedQualifying unavailable
I. CapelliMarch #182142 No error range DNFEngine Not assessedQualifying unavailable
O. GrouillardLigier #222108 No error range DNFExhaust Not assessedQualifying unavailable
N. PiquetTeam Lotus #72254 No error range DNFSpun off Not assessedQualifying unavailable
J. PalmerTyrrell #112202 No error range DNFEngine Not assessedQualifying unavailable
D. WarwickArrows #52304 No error range DNFFuel system Not assessedQualifying unavailable
N. LariniOsella #321876 No error range DNFGearbox Not assessedQualifying unavailable
M. AlboretoLarrousse #252070 No error range DNFElectrical Not assessedQualifying unavailable
M. GugelminMarch #132198 No error range DNFThrottle Not assessedQualifying unavailable
P. AlliotLarrousse #262068 No error range DNFSpun off Not assessedQualifying unavailable
E. PirroBenetton #102225 No error range DNFTransmission Not assessedQualifying unavailable
S. ModenaBrabham #202139 Grid unnumbered No error range DSQDisqualified Not assessedQualifying unavailable
E. CheeverArrows #92234 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
C. DannerRial #291947 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
P. RaphanelRial #381689 Grid unnumbered No error range DNQDid not qualify Not assessedQualifying unavailable
S. JohanssonOnyx #162151 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
G. TarquiniAGS #311881 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
R. MorenoColoni #331839 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
P. GhinzaniOsella #351784 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
B. SchneiderZakspeed #371698 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
A. SuzukiZakspeed #391625 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
O. LarrauriEuro Brun #361759 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
Y. DalmasAGS #341790 Grid unnumbered No error range DNQDid not prequalify Not assessedQualifying unavailable
E. BertaggiaColoni #301911 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

Berger+102.1 Elo

Largest Elo loss

Cheever−82.2 Elo

The bigger picture

Championship after this round

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

  1. 1 Prost 71pts 0
  2. 2 Senna 51pts 0
  3. 3 Mansell 38pts 0
  4. 4 Patrese 28pts 0
  5. 5 Boutsen 24pts 0

Movement since round 11. 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

ProstP1+20.9 Elo
SennaDNF−31.8 Elo

Non-finish recorded; no finishing gap comparison.

Ferrari

BergerP2+102.1 Elo
MansellDNF−36.7 Elo

Non-finish recorded; no finishing gap comparison.

Tyrrell

AlesiP5+60.1 Elo
PalmerDNF−27.6 Elo

Non-finish recorded; no finishing gap comparison.

Onyx

GachotDNF+44.4 Elo
JohanssonDNQ−79.0 Elo

Non-finish recorded; no finishing gap comparison.

Benetton

NanniniDNF−12.9 Elo
PirroDNF−68.2 Elo

Non-finish recorded; no finishing gap comparison.

Arrows

WarwickDNF−57.1 Elo
CheeverDNQ−82.2 Elo

Non-finish recorded; no finishing gap comparison.

Osella

LariniDNF+38.5 Elo
GhinzaniDNQ−14.7 Elo

Non-finish recorded; no finishing gap comparison.

Rial

DannerDNQ−17.4 Elo
RaphanelDNQ+22.8 Elo

Non-finish recorded; no finishing gap comparison.

AGS

TarquiniDNQ−20.8 Elo
DalmasDNQ−39.0 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 →
39
Result Entries
Avg Elo
Highest Elo (Prost)
30
Non-finishes

Race

Qualifying

# Driver Grid +/- Points Season Pts Season # Elo Change Elo
P1 🇫🇷 A.Prost 4 +3 +9 71 P1 +20.9 2,563
P2 🇦🇹 G.Berger 2 +6 6 P8 +102.1 2,207
P3 🇧🇪 T.Boutsen 6 +3 +4 24 P5 +42.1 2,374
P4 🇮🇹 R.Patrese 5 +1 +3 28 P4 +51.6 2,313
P5 🇫🇷 J.Alesi 10 +5 +2 5 P12 +60.1 2,262
P6 🇬🇧 M.Brundle 12 +6 +1 2 P22 +69.1 2,211
P7 🇮🇹 P.Martini 15 +8 0 2 P19 +51.8 2,240
P8 🇪🇸 L.Pérez-Sala 26 +18 0 1 P26 +58.3 2,197
P9 🇫🇷 R.Arnoux 23 +14 0 2 P21 +78.6 2,114
DNF 🇯🇵 S.Nakajima 19 0 0 P27 +60.5 2,145
DNF 🇮🇹 A.Caffi 20 0 4 P17 +44.6 2,169
DNF 🇮🇹 A.de Cesaris 17 0 4 P14 +27.1 2,197
DNF 🇧🇷 A.Senna 1 0 51 P2 -31.8 2,384
DNF 🇬🇧 N.Mansell 3 0 38 P3 -36.7 2,373
DNF 🇧🇪 B.Gachot 22 0 0 P31 +44.4 2,076
DNF 🇮🇹 A.Nannini 8 0 14 P6 -12.9 2,225
DNF 🇮🇹 I.Capelli 18 0 0 P29 +5.0 2,147
DNF 🇫🇷 O.Grouillard 21 0 1 P23 +7.8 2,116
DNF 🇧🇷 N.Piquet 11 0 9 P7 -34.2 2,220
DNF 🇬🇧 J.Palmer 14 0 1 P25 -27.6 2,174
DNF 🇬🇧 D.Warwick 16 0 6 P11 -57.1 2,247
DNF 🇮🇹 N.Larini 24 0 0 P33 +38.5 1,915
DNF 🇮🇹 M.Alboreto 13 0 6 P10 -11.8 2,058
DNF 🇧🇷 M.Gugelmin 25 0 4 P15 -50.0 2,148
DNF 🇫🇷 P.Alliot 7 0 0 P32 -23.1 2,045
DNF 🇮🇹 E.Pirro 9 0 0 P28 -68.2 2,157
DSQ 🇮🇹 S.Modena 0 0 4 P16 -52.6 2,086
DNQ 🇺🇸 E.Cheever 0 0 6 P9 -82.2 2,152
DNQ 🇩🇪 C.Danner 0 0 3 P18 -17.4 1,930
DNQ 🇫🇷 P.Raphanel 0 0 0 P37 +22.8 1,712
DNQ 🇸🇪 S.Johansson 0 0 2 P20 -79.0 2,072
DNQ 🇮🇹 G.Tarquini 0 0 1 P24 -20.8 1,860
DNQ 🇧🇷 R.Moreno 0 0 0 P35 -18.5 1,820
DNQ 🇮🇹 P.Ghinzani 0 0 0 P38 -14.7 1,770
DNQ 🇩🇪 B.Schneider 0 0 0 P36 -7.5 1,691
DNQ 🇯🇵 A.Suzuki 0 0 0 P43 -4.5 1,621
DNQ 🇦🇷 O.Larrauri 0 0 0 P44 -28.0 1,731
DNQ 🇫🇷 Y.Dalmas 0 0 0 P39 -39.0 1,751
DNQ 🇮🇹 E.Bertaggia 0 0 0 P45 -68.0 1,843

Qualifying results are not available for this race.

Elo Changes