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Arouca vs Portimonense — Primeira Liga 2018

Arouca
Arouca
FT
1 – 1
HT: 0 – 1
Portimonense
Portimonense
8/26/2023Primeira LigaPrimeira Liga · Round 3Estádio Municipal de Arouca

Match Prediction

Statistical Prediction

Based on goals from last 87+ matches

Arouca46%
×Draw26%
Portimonense28%
✓ Correct in 50 of 100 matches — 5 more than always backing the home side
Model
50.3%
Always home
44.5%

The model picks a winner (home or away) for each finished match using only pre-kickoff data, then checks it against the real result: 50.3% correct across 582,450 matches, vs 44.5% for always backing the home side.

Home picks 50.5% correct · Away picks 49.5% correct

Football matches only. Past performance is not indicative of future results.

Expected goals in this match

What is xG?

Every shot is scored 0–1 by how likely it is to be a goal from that spot — a chance in the middle of the box ≈ 0.4, a long shot from a tight angle ≈ 0.03, a penalty ≈ 0.76. Add them up over a match and that is the xG.

The scoreline can lie: you can win 1-0 on a fluke while creating half the chances. xG shows who was really closer to scoring — and over a season it predicts results better than goals alone.

Arouca
1.51
Portimonense
1.13

Arouca creates 34% more chances

Season form · 87 home / 103 away

creates per match

Arouca
1.28
Portimonense
0.87

allows per match

Arouca
1.39
Portimonense
1.74

finishing

Arouca+0.00on par
Portimonense+0.00on par

Total goals

51%Under
  • Under51
  • Over49

Close call

Both teams score

53%Yes
  • Yes53
  • No47

Both teams likely to score

Score probability

Probability of each scoreline, %

Arouca ↓

Portimonense →
0
1
2
3
4
0
0–07%
0–18%
0–25%
0–32%
0–40%
1
1–011%
1–112%
1–27%
1–33%
1–41%
2
2–08%
2–19%
2–25%
2–32%
2–41%
3
3–04%
3–15%
3–23%
3–31%
3–40%
4
4–02%
4–12%
4–21%
4–30%
4–40%

Most likely 1–1 (12%) · grid covers 98% of scorelines

More markets

Total goals

OverUnder0.5
93%7%1.5
74%26%2.5
49%51%3.5
27%73%4.5
13%87%

Double chance

Arouca or draw
72%
Arouca or Portimonense
74%
Draw or Portimonense
54%

Winning margin

Arouca wins by 2+
23%
Portimonense wins by 2+
11%

Team goals

Arouca 1+ goals
78%
Arouca 2+ goals
44%
Arouca 3+ goals
19%
Portimonense 1+ goals
68%
Portimonense 2+ goals
31%
Portimonense 3+ goals
11%

Draw no bet

Arouca (draw refunded)
62%
Portimonense (draw refunded)
38%

Combos

Both score & 3+ goals
41%
Both score & under 3
12%

Model probabilities, not odds. For information only.

How is this calculated?

Every number below comes from this match — nothing is made up.

1

Recent form of each side

Arouca at home — creates 1.28, concedes 1.39 · 87 matches

Portimonense away — creates 0.87, concedes 1.74 · 103 matches

⚑ Home and away form are counted separately — the home-field edge is already baked into these numbers.

2

Expected goals for this match

Arouca attack 1.28 + Portimonense defence 1.74 → ÷2 → 1.51

Portimonense attack 0.87 + Arouca defence 1.39 → ÷2 → 1.13

Each side's attack is blended with the other's defence, then averaged.

3

Chance of every scoreline

From those two numbers a Poisson distribution gives the probability of each exact score — the grid shown above.

4

The answer to "why 46%?"

Arouca scores more
46%
level
26%
Portimonense scores more
28%

Arouca at 46% is simply the biggest of the three — that is the pick.

What the model can't see

It reads only the stats of recent matches. It knows nothing about:

  • injuries & suspensions
  • the matchday lineup
  • motivation — cup, relegation, a title race
  • weather & pitch condition
  • in-game coaching decisions

So 46% does not mean "Arouca will win" — it means "on the available stats, this is the most likely result."

Statistical model based on expected goals (xG). For informational purposes only.

Probable lineups not yet announced

Starting lineups are usually confirmed ~1 hour before kickoff

Match Recap: Arouca vs Portimonense

Arouca and Portimonense drew 1-1 in Primeira Liga on August 26, 2023.

The match was played at Estádio Municipal de Arouca in Arouca.