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Kolbotn W vs Arna-Bjørnar W — Toppserien 2021

Kolbotn W
Kolbotn W
FT
4 – 1
HT: 3 – 1
Arna-Bjørnar W
Arna-Bjørnar W
4/27/2024ToppserienToppserien · Round 5Grorud stadion

Match Prediction

Statistical Prediction

Based on goals from last 45+ matches

Kolbotn W52%
×Draw22%
Arna-Bjørnar W27%
✓ 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.

Kolbotn W
2.02
Arna-Bjørnar W
1.40

Kolbotn W creates 44% more chances

Season form · 46 home / 45 away

creates per match

Kolbotn W
1.17
Arna-Bjørnar W
0.96

allows per match

Kolbotn W
1.83
Arna-Bjørnar W
2.87

finishing

Kolbotn W+0.00on par
Arna-Bjørnar W+0.00on par

Total goals

66%Over
  • Over66
  • Under34

3+ goals likely

Both teams score

65%Yes
  • Yes65
  • No35

Both teams likely to score

Score probability

Probability of each scoreline, %

Kolbotn W ↓

Arna-Bjørnar W →
0
1
2
3
4
0
0–03%
0–15%
0–23%
0–32%
0–41%
1
1–07%
1–19%
1–27%
1–33%
1–41%
2
2–07%
2–19%
2–27%
2–33%
2–41%
3
3–05%
3–16%
3–24%
3–32%
3–41%
4
4–02%
4–13%
4–22%
4–31%
4–40%

Most likely 1–1 (9%) · grid covers 94% of scorelines

More markets

Total goals

OverUnder0.5
97%3%1.5
85%15%2.5
66%34%3.5
44%56%4.5
26%74%

Double chance

Kolbotn W or draw
73%
Kolbotn W or Arna-Bjørnar W
78%
Draw or Arna-Bjørnar W
48%

Winning margin

Kolbotn W wins by 2+
30%
Arna-Bjørnar W wins by 2+
12%

Team goals

Kolbotn W 1+ goals
87%
Kolbotn W 2+ goals
60%
Kolbotn W 3+ goals
33%
Arna-Bjørnar W 1+ goals
75%
Arna-Bjørnar W 2+ goals
41%
Arna-Bjørnar W 3+ goals
17%

Draw no bet

Kolbotn W (draw refunded)
66%
Arna-Bjørnar W (draw refunded)
34%

Combos

Both score & 3+ goals
56%
Both score & under 3
9%

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

Kolbotn W at home — creates 1.17, concedes 1.83 · 46 matches

Arna-Bjørnar W away — creates 0.96, concedes 2.87 · 45 matches

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

2

Expected goals for this match

Kolbotn W attack 1.17 + Arna-Bjørnar W defence 2.87 → ÷2 → 2.02

Arna-Bjørnar W attack 0.96 + Kolbotn W defence 1.83 → ÷2 → 1.40

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 52%?"

Kolbotn W scores more
52%
level
22%
Arna-Bjørnar W scores more
27%

Kolbotn W at 52% 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 52% does not mean "Kolbotn W 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: Kolbotn W vs Arna-Bjørnar W

Kolbotn W beat Arna-Bjørnar W 4-1 in Toppserien on April 27, 2024.

The match was played at Grorud stadion in Oslo.