King's Birthday Eve

MQ-09

What it means

Carlton and Essendon play at the MCGMelbourne Cricket Ground.Read more in the glossary on the Sunday night before the King's Birthday holiday. The host alternates; Carlton hosts in 2027.

Why it exists

A fixture occasion added in 2023 and held every year since.

For example

In the 2027 model: Carlton v Essendon, MCG, Sunday night 13 June, Round 13.

How strictly it applies

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

Must-follow. Fixed before the solve, as an owner-approved 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; checked from the 30 September release.

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
This version has no recorded result for this rule.
13 Sep13 Sep 2026Preview 14 September (seed 42)2027 · Generated
This version has no recorded result for this rule.
14 Sep14 Sep 2026Repeat-qualified (seed 42)2027 · Generated
This version has no recorded result for this rule.
14 Sep14 Sep 2026Corrected (seed 43)2027 · Generated
This version has no recorded result for this rule.
14 Sep14 Sep 2026Rules release (seed 43)2027 · Generated
This version has no recorded result for this rule.
15 Sep15 Sep 2026B009 nominal (seed 43)2027 · Generated
This version has no recorded result for this rule.
18 Sep18 Sep 2026B010 nominal (weight 0.10)2027 · Generated
This version has no recorded result for this rule.
19 Sep19 Sep 2026B011 nominal2027 · Generated
This version has no recorded result for this rule.
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 Realism rules added, 30 Sep 2026.

For analysts: catalogue text and codes

Rule id: MQ-09
Catalogue text: King's Birthday Eve match (Carlton v Essendon, MCG) on the Sunday night before King's Birthday Monday; the host alternates between the two clubs.
Catalogue type: Hard
Catalogue family: Marquee Match Constraints
Class: hard · The fixture must never break it.
Step: S2 · Step 2: rounds
Recorded status: met · source row evaluated
Catalogue reason: A fixture occasion added in 2023 and held every year since.