Match predictor

Cardiff Blues vs Connacht

What the model says about this fixture, at either ground and at a neutral one, with the record behind it. Ratings as at 2026-08-24.

Who wins, and where it is played
Cardiff Blues at home26-24 average
Cardiff Blues 48.2%draw 2.5%49.3% Connacht
Connacht at home30-20 average
Connacht 68.3%draw 2.5%29.2% Cardiff Blues
Neutral ground23-27 average
Cardiff Blues 38.4%draw 2.5%59.1% Connacht

Each figure is 5,000 simulations of this fixture. The score is where those runs are centred, not a likely scoreline — a rugby result is spread far too widely for any single one to be likely.

How the runs finished

Winning margin across 5,000 simulations of this fixture. Bars right of the centre are Cardiff Blues wins; the faded bars at each end hold everything beyond 75 points.

Margin percentiles

p10 Connacht +20p25 Connacht +9p50 levelp75 Cardiff Blues +7p90 Cardiff Blues +15

Eight runs in ten finished between 20 Connacht and 15 Cardiff Blues, with the middle run at level.

Those are gaps rather than scorelines. How much scoring the match produces is drawn separately — between 31 and 72 points in eight runs out of ten — so one bar covers many scores. The middle run above is 20-20 on a tight afternoon and 30-30 on an open one.

Why Cardiff Blues are not favoured

Starting from an even match and adding what the model reads, in percentage points of win probability. Positive favours Cardiff Blues, negative favours Connacht.

Even match50.0%
Rating gap-17.6 pp

Cardiff Blues 1573, Connacht 1752 — 178 points, favouring Connacht

Venue+11.8 pp

Cardiff Blues are at home

Form and context+4.0 pp

Recent results, head-to-head record and rest days, as the XGBoost heads weigh them. Deliberately capped, so it can nudge the rating but never overrule it.

Cardiff Blues win48.2%

Head to head

Cardiff Blues8011Connacht

19 meetings, 2015 to 2025 · Connacht by 3.7 on average

Last 10: 307 · Connacht by 5.6 on average

DateMatchCompetitionVenue
2025-10-11Cardiff Blues 148 ConnachtUnited Rugby ChampionshipCardiff Arms Park
2025-04-05Connacht 3520 Cardiff BluesEuropean Challenge CupDexcom Stadium
2025-02-15Connacht 2419 Cardiff BluesUnited Rugby ChampionshipDexcom Stadium
2025-01-17Cardiff Blues 1928 ConnachtEuropean Challenge CupCardiff Arms Park
2024-02-17Cardiff Blues 1216 ConnachtUnited Rugby ChampionshipCardiff Arms Park

The 5 most recent meetings; the record above covers all 19. None of this feeds the forecast: both ratings already contain these results.

Rugby Tournament Predictor — unofficial, and not affiliated with any union, club or competition. About and sourcesForecasts are probabilities, not predictions of one result.

Search

Jump to a tournament, a page, or a team