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Spezia vs Sampdoria — Serie A 2018

Spezia
Spezia
FT
1 – 0
HT: 0 – 0
Sampdoria
Sampdoria
1/23/2022Serie ASerie A · Round 23Stadio Alberto Picco

Match Prediction

Statistical Prediction

Based on goals from last 58+ matches

Spezia40%
×Draw25%
Sampdoria35%
✓ Correct in 50 of 100 matches — 5 more than always backing the home side
Model
50%
Always home
44.6%

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% correct across 579,794 matches, vs 44.6% for always backing the home side.

Home picks 50.2% correct · Away picks 49.2% 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.

Spezia
1.49
Sampdoria
1.38

Both teams create about equally

Season form · 58 home / 94 away

creates per match

Spezia
1.17
Sampdoria
1.10

allows per match

Spezia
1.66
Sampdoria
1.81

finishing

Spezia+0.00on par
Sampdoria+0.00on par

Total goals

55%Over
  • Over55
  • Under45

3+ goals likely

Both teams score

58%Yes
  • Yes58
  • No42

Both teams likely to score

Score probability

Probability of each scoreline, %

Spezia ↓

Sampdoria →
0
1
2
3
4
0
0–06%
0–18%
0–25%
0–32%
0–41%
1
1–08%
1–112%
1–28%
1–34%
1–41%
2
2–06%
2–19%
2–26%
2–33%
2–41%
3
3–03%
3–14%
3–23%
3–31%
3–40%
4
4–01%
4–12%
4–21%
4–31%
4–40%

Most likely 1–1 (12%) · grid covers 97% of scorelines

More markets

Total goals

OverUnder0.5
94%6%1.5
78%22%2.5
55%45%3.5
32%68%4.5
16%84%

Double chance

Spezia or draw
65%
Spezia or Sampdoria
75%
Draw or Sampdoria
60%

Winning margin

Spezia wins by 2+
19%
Sampdoria wins by 2+
16%

Team goals

Spezia 1+ goals
77%
Spezia 2+ goals
44%
Spezia 3+ goals
19%
Sampdoria 1+ goals
75%
Sampdoria 2+ goals
40%
Sampdoria 3+ goals
16%

Draw no bet

Spezia (draw refunded)
53%
Sampdoria (draw refunded)
47%

Combos

Both score & 3+ goals
46%
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

Spezia at home — creates 1.17, concedes 1.66 · 58 matches

Sampdoria away — creates 1.10, concedes 1.81 · 94 matches

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

2

Expected goals for this match

Spezia attack 1.17 + Sampdoria defence 1.81 → ÷2 → 1.49

Sampdoria attack 1.10 + Spezia defence 1.66 → ÷2 → 1.38

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 40%?"

Spezia scores more
40%
level
25%
Sampdoria scores more
35%

Spezia at 40% 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 40% does not mean "Spezia 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: Spezia vs Sampdoria

Spezia beat Sampdoria 1-0 in Serie A on January 23, 2022.

The match was played at Stadio Alberto Picco in La Spezia.