Gather Round in one city

GR-01

What it means

One round a season is Gather RoundThe round in which every game is played in one host city. Every club appears once.Read more in the glossary, with every game played in the host city.

Why it exists

It is a contracted showcase round. Adelaide hosted through 2026; the model keeps Adelaide for 2027 as an assumption.

For example

In Round 4 of the 2027 model, all nine games are in South Australia.

How strictly it applies

Must-follow The fixture must obey this rule. A separate checker tests the finished fixture afterwards.

Must-follow. The host city for 2027 is a modelled assumptionA value we chose because the AFL has not published the 2027 fact, or because a convention is only visible in past fixtures.Read more in the glossary until the AFLAustralian Football League.Read more in the glossary announces it.

Where to see it

How the fixture is made shows how this plays out across the season.

How it played out across versions

One cell per release, oldest first. Each shows the verdict that release recorded for this rule; a release with no row for the rule says so.

13 Sep13 Sep 2026Preview 13 September2027 · Generated
Off, switched off by these settings
no checker yet
13 Sep13 Sep 2026Preview 14 September (seed 42)2027 · Generated
Off, switched off by these settings
no checker yet
14 Sep14 Sep 2026Repeat-qualified (seed 42)2027 · Generated
Off, switched off by these settings
no checker yet
14 Sep14 Sep 2026Corrected (seed 43)2027 · Generated
Off, switched off by these settings
no checker yet
14 Sep14 Sep 2026Rules release (seed 43)2027 · Generated
Off, switched off by these settings
no checker yet
15 Sep15 Sep 2026B009 nominal (seed 43)2027 · Generated
Off, switched off by these settings
no checker yet
18 Sep18 Sep 2026B010 nominal (weight 0.10)2027 · Generated
Met, met
19 Sep19 Sep 2026B011 nominal2027 · Generated
Met, met
30 Sep30 Sep 2026B012 Wednesday opening2027 · Generated
Met, met
20252025 season as played2025 · As played
Off, switched off by these settings
rule source not recorded

First checked independently in TV slots added, 18 Sep 2026.

For analysts: catalogue text and codes

Rule id: GR-01
Catalogue text: One round per season designated as Gather Round with all matches played in the host city.
Catalogue type: Hard / contract
Catalogue family: Gather Round Constraints
Class: hard · The fixture must never break it.
Step: S2 · Step 2: rounds
Recorded status: met · source row evaluated
Catalogue reason: A contracted showcase round; Adelaide through 2026.