Rule:CheckerOut

@RULE CheckerOut

rabbit, 2026-01-12

A rule that imperfectly emulates Conway's Game of Life if the live cells provided form a checkerboard between States 1 and 2.

A single line has been inserted to modify the rule's behaviour.

@TABLE n_states:3 neighborhood:Moore symmetries:rotate4reflect

var a1 = {0, 1, 2} var a2 = a1 var a3 = a1 var a4 = a1 var a5 = a1 var a6 = a1 var a7 = a1 var a8 = a1 var a9 = a1

var l1 = {1, 2} var l2 = l1 var l3 = l1 var l4 = l1 var l5 = l1

0,l1, 1,l2, 1,l3,l4,a1,l5, 2 # Remove this transition for normal Life.

0, 2, 1, 2, 0, 0, 0, 0, 0, 1
0, 0, 1, 0, 1, 0, 1, 0, 0, 1
0, 2, 0, 2, 0, 2, 0, 0, 0, 1
0, 0, 1, 2, 1, 0, 0, 0, 0, 1
0, 2, 0, 2, 1, 0, 0, 0, 0, 1
0, 2, 0, 2, 0, 0, 1, 0, 0, 1
0, 2, 1, 0, 1, 0, 0, 0, 0, 1
0, 2, 1, 0, 0, 0, 1, 0, 0, 1
0, 2, 1, 0, 0, 2, 0, 0, 0, 1
0, 2, 0, 0, 1, 0, 1, 0, 0, 1

0, 1, 2, 1, 0, 0, 0, 0, 0, 2
0, 0, 2, 0, 2, 0, 2, 0, 0, 2
0, 1, 0, 1, 0, 1, 0, 0, 0, 2
0, 0, 2, 1, 2, 0, 0, 0, 0, 2
0, 1, 0, 1, 2, 0, 0, 0, 0, 2
0, 1, 0, 1, 0, 0, 2, 0, 0, 2
0, 1, 2, 0, 2, 0, 0, 0, 0, 2
0, 1, 2, 0, 0, 0, 2, 0, 0, 2
0, 1, 2, 0, 0, 1, 0, 0, 0, 2
0, 1, 0, 0, 2, 0, 2, 0, 0, 2

l1,l2,l3, 0, 0, 0, 0, 0, 0,l1 l1, 0,l2, 0,l3, 0, 0, 0, 0,l1 l1,l2, 0,l3, 0, 0, 0, 0, 0,l1 l1,l2, 0, 0, 0,l3, 0, 0, 0,l1 l1,l2, 0, 0,l3, 0, 0, 0, 0,l1 l1, 0,l2, 0, 0, 0,l3, 0, 0,l1

l1,l2,l3,l4, 0, 0, 0, 0, 0,l1 l1, 0,l2, 0,l3, 0,l4, 0, 0,l1 l1,l2, 0,l3, 0,l4, 0, 0, 0,l1 l1, 0,l2,l3,l4, 0, 0, 0, 0,l1 l1,l2, 0,l3,l4, 0, 0, 0, 0,l1 l1,l2, 0,l3, 0, 0,l4, 0, 0,l1 l1,l2,l3, 0,l4, 0, 0, 0, 0,l1 l1,l2,l3, 0, 0, 0,l4, 0, 0,l1 l1,l2,l3, 0, 0,l4, 0, 0, 0,l1 l1,l2, 0, 0,l3, 0,l4, 0, 0,l1

a1,a2,a3,a4,a5,a6,a7,a8,a9, 0

Rule:CheckerOut

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