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Bundesliga · Regular Season - 14 · 2026-12-19 14:30 UTC · Mewa Arena, Mainz
Mainz
KoelnThese three percentages add to 100%. They show what may happen, not what will happen.
Why does Mainz have the highest number? Mainz currently has the stronger recent-results rating. The calculation also allows for Mainz playing at home. Across many simulated versions of this match, the average goal totals are 1.77for Mainz and 1.01 for Koeln. That makes Mainz the highest of the three result estimates at 53.8%. For the full league season, Mainz is projected to earn about 47points and Koeln about 35. Read the beginner's guide or see the technical calculation.
The Open Model gives Mainz a 53.8% chance of beating Koeln at home in the Bundesliga on 2026-12-19, with 26.2% for the draw and 20.0% for an away win. The single most likely score is 1–1 (12.5%), with average simulated goals of 1.77–1.01; the chance of both teams scoring is 54.2% and of three or more total goals 52.6%. Estimates come from an Elo → Dixon-Coles → Monte Carlo model, walk-forward backtested on 913 internationals (ranked probability score 0.175 vs 0.241 for random guessing) with a public prediction record.
Source: The Open Model (theopenmodel.com) · probabilities as of the latest daily build · data reusable under CC BY 4.0 with attribution.
| 0 | 1 | 2 | 3 | 4 | 5+ | |
|---|---|---|---|---|---|---|
| 0 | 7.6 | 4.8 | 3.2 | 1.1 | 0.3 | 0.1 |
| 1 | 9.5 | 12.5 | 5.6 | 1.9 | 0.5 | 0.1 |
| 2 | 9.7 | 9.8 | 5.0 | 1.7 | 0.4 | 0.1 |
| 3 | 5.7 | 5.8 | 2.9 | 1.0 | 0.2 | 0.1 |
| 4 | 2.5 | 2.6 | 1.3 | 0.4 | 0.1 | 0.0 |
| 5+ | 1.3 | 1.3 | 0.6 | 0.2 | 0.1 | 0.0 |
Home-team goals run down the left; away-team goals run across the top. Each cell is that score's estimated chance.
| Both teams to score | 54.2% | |
| 2 or more total goals | 78.0% | |
| 3 or more total goals | 52.6% | |
| 4 or more total goals | 30.4% | |
| Mainz avoids defeat | 80.0% | |
| Koeln avoids defeat | 46.2% | |
| Mainz allows no goals | 36.4% | |
| Koeln allows no goals | 17.0% |
Forwards to watch
2026–27 squads · API-Football
