Match predictor

Gloucester Rugby vs Zebre

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
Gloucester Rugby at home33-18 average
Gloucester Rugby 74.6%draw 2.5%22.9% Zebre
Zebre at home24-27 average
Zebre 37.1%draw 2.5%60.4% Gloucester Rugby
Neutral ground30-21 average
Gloucester Rugby 67.7%draw 2.5%29.8% Zebre

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 Gloucester Rugby wins; the faded bars at each end hold everything beyond 75 points.

Margin percentiles

p10 Zebre +3p25 levelp50 Gloucester Rugby +10p75 Gloucester Rugby +22p90 Gloucester Rugby +35

Eight runs in ten finished between 3 Zebre and 35 Gloucester Rugby, with the middle run at 10 Gloucester Rugby.

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 25-15 on a tight afternoon and 36-26 on an open one.

Why Gloucester Rugby are favoured

Starting from an even match and adding what the model reads, in percentage points of win probability. Positive favours Gloucester Rugby, negative favours Zebre.

Even match50.0%
Rating gap+17.0 pp

Gloucester Rugby 1520, Zebre 1309 — 211 points, favouring Gloucester Rugby

Venue+9.1 pp

Gloucester Rugby are at home

Form and context-1.5 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.

Gloucester Rugby win74.6%

Head to head

Gloucester Rugby400Zebre

4 meetings, 2015 to 2017 · Gloucester Rugby by 20.0 on average

DateMatchCompetitionVenue
2017-12-16Gloucester Rugby 6912 ZebreEuropean Challenge CupKingsholm
2017-12-09Zebre 2633 Gloucester RugbyEuropean Challenge CupStadio Sergio Lanfranchi
2016-01-23Zebre 1114 Gloucester RugbyEuropean Challenge CupStadio Sergio Lanfranchi
2015-11-14Gloucester Rugby 2310 ZebreEuropean Challenge CupKingsholm

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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