Match predictor

Cardiff Blues vs Perpignan

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 home31-20 average
Cardiff Blues 74.4%draw 2.5%23.1% Perpignan
Perpignan at home22-29 average
Perpignan 44.2%draw 2.5%53.3% Cardiff Blues
Neutral ground30-21 average
Cardiff Blues 64.1%draw 2.5%33.4% Perpignan

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 Perpignan +6p25 levelp50 Cardiff Blues +9p75 Cardiff Blues +20p90 Cardiff Blues +31

Eight runs in ten finished between 6 Perpignan and 31 Cardiff Blues, with the middle run at 9 Cardiff Blues.

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 24-15 on a tight afternoon and 35-26 on an open one.

Why Cardiff Blues are favoured

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

Even match50.0%
Rating gap+19.1 pp

Cardiff Blues 1573, Perpignan 1346 — 228 points, favouring Cardiff Blues

Venue+9.1 pp

Cardiff Blues are at home

Form and context-3.8 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 win74.4%

Head to head

Cardiff Blues001Perpignan

1 meeting, 2025 to 2025 · Perpignan by 3.0 on average

DateMatchCompetitionVenue
2025-01-11Perpignan 2320 Cardiff BluesEuropean Challenge CupStade Aime Giral

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.

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