Match predictor

Cardiff Blues vs Dragons

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 71.3%draw 2.5%26.2% Dragons
Dragons at home23-28 average
Dragons 45.7%draw 2.5%51.8% Cardiff Blues
Neutral ground29-22 average
Cardiff Blues 61.8%draw 2.5%35.7% Dragons

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 Dragons +7p25 Dragons +1p50 Cardiff Blues +7p75 Cardiff Blues +19p90 Cardiff Blues +31

Eight runs in ten finished between 7 Dragons and 31 Cardiff Blues, with the middle run at 7 Cardiff Blues.

Those are gaps rather than scorelines. How much scoring the match produces is drawn separately — between 32 and 73 points in eight runs out of ten — so one bar covers many scores. The middle run above is 23-16 on a tight afternoon and 34-27 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 Dragons.

Even match50.0%
Rating gap+17.1 pp

Cardiff Blues 1573, Dragons 1369 — 204 points, favouring Cardiff Blues

Venue+9.5 pp

Cardiff Blues are at home

Form and context-5.3 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 win71.3%

Head to head

Cardiff Blues2001Dragons

21 meetings, 2015 to 2025 · Cardiff Blues by 6.9 on average

Last 10: 1000 · Cardiff Blues by 7.9 on average

DateMatchCompetitionVenue
2025-12-26Cardiff Blues 2219 DragonsUnited Rugby ChampionshipCardiff Arms Park
2025-10-17Dragons 1724 Cardiff BluesUnited Rugby ChampionshipRodney Parade
2024-12-26Dragons 2224 Cardiff BluesUnited Rugby ChampionshipRodney Parade
2023-12-26Cardiff Blues 5521 DragonsUnited Rugby ChampionshipCardiff Arms Park
2023-10-29Dragons 916 Cardiff BluesUnited Rugby ChampionshipRodney Parade

The 5 most recent meetings; the record above covers all 21. 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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