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Portsmouth vs Cambridge United — League One 2018

Portsmouth
Portsmouth
FT
4 – 1
HT: 1 – 1
Cambridge United
Cambridge United
8/16/2022League OneLeague One · Round 4Fratton Park

Match Prediction

Statistical Prediction

Based on goals from last 92+ matches

Portsmouth56%
×Draw24%
Cambridge United20%
✓ Correct in 50 of 100 matches — 6 more than always backing the home side
Model
49.7%
Always home
44.3%

The model picks a winner (home or away) for each finished match using only pre-kickoff data, then checks it against the real result: 49.7% correct across 106,786 matches, vs 44.3% for always backing the home side.

Home picks 50.7% correct · Away picks 47.3% 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.

Portsmouth
1.75
Cambridge United
0.95

Portsmouth creates 84% more chances

Season form · 137 home / 92 away

creates per match

Portsmouth
1.72
Cambridge United
0.89

allows per match

Portsmouth
1.01
Cambridge United
1.78

finishing

Portsmouth+0.00on par
Cambridge United+0.00on par

Total goals

51%Over
  • Over51
  • Under49

Close call

Both teams score

51%Yes
  • Yes51
  • No49

Close call

Score probability

Probability of each scoreline, %

Portsmouth ↓

Cambridge United →
0
1
2
3
4
0
0–07%
0–16%
0–23%
0–31%
0–40%
1
1–012%
1–111%
1–25%
1–32%
1–40%
2
2–010%
2–110%
2–25%
2–31%
2–40%
3
3–06%
3–16%
3–23%
3–31%
3–40%
4
4–03%
4–13%
4–21%
4–30%
4–40%

Most likely 1–0 (12%) · grid covers 97% of scorelines

More markets

Total goals

OverUnder0.5
93%7%1.5
75%25%2.5
51%49%3.5
28%72%4.5
14%86%

Double chance

Portsmouth or draw
80%
Portsmouth or Cambridge United
76%
Draw or Cambridge United
44%

Winning margin

Portsmouth wins by 2+
31%
Cambridge United wins by 2+
7%

Team goals

Portsmouth 1+ goals
83%
Portsmouth 2+ goals
52%
Portsmouth 3+ goals
25%
Cambridge United 1+ goals
61%
Cambridge United 2+ goals
25%
Cambridge United 3+ goals
7%

Draw no bet

Portsmouth (draw refunded)
73%
Cambridge United (draw refunded)
27%

Combos

Both score & 3+ goals
39%
Both score & under 3
11%

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

Portsmouth at home — creates 1.72, concedes 1.01 · 137 matches

Cambridge United away — creates 0.89, concedes 1.78 · 92 matches

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

2

Expected goals for this match

Portsmouth attack 1.72 + Cambridge United defence 1.78 → ÷2 → 1.75

Cambridge United attack 0.89 + Portsmouth defence 1.01 → ÷2 → 0.95

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 56%?"

Portsmouth scores more
56%
level
24%
Cambridge United scores more
20%

Portsmouth at 56% 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 56% does not mean "Portsmouth 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

League One: Portsmouth 4–1 Cambridge United

Portsmouth beat Cambridge United 4-1 in League One on August 16, 2022.

The match was played at Fratton Park in Portsmouth.