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====== Cats and Dogs ======

Players cannot place stones orthogonally adjacent to the opponent. The last player able to place wins. The default game is Chris Huntoon's 11×11 Cats and Dogs, built from Simon Norton's SNORT.

Inventors: Simon Norton, Chris Huntoon

===== Rules =====

See [[https://boardgamegeek.com/boardgame/151888/snort|BoardGameGeek: Snort]]. Background: [[https://www.abstractgames.org/uploads/1/1/6/4/116462923/abstract_games_issue_15.pdf|Abstract Games magazine issue 15]] (linked from the Abstract Play notes).


===== Variants =====

==== Original 8×8 SNORT ====

Unrestricted 8×8. The centre is legal. Mirror play is strong.

==== Restricted 8×8, tournament ruleset ====

Portuguese tournament protocol: player 1 must open on one of the central 2×2 cells (''d4'', ''d5'', ''e4'', ''e5''). Player 2 must answer **outside** that 2×2, still obeying the adjacency rule.

==== Misère 8×8, unrestricted ====

8×8 with no opening restriction. The player who cannot place **wins**.

===== Further details =====

==== Version history ====

  * Current engine version: ''20260508'' (2026-05-08). On Abstract Play since 2026-05-13.

==== Links ====

  * [[https://boardgamegeek.com/boardgame/151888/snort]]