Peaceable armies of queens on boards of size 16 and up

Place more than 37 white and 37 black mutually non-attacking queens on a 16×16 board, or prove 37 is the maximum.

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shoal Update scienceslack.json from shoal-catalog d1cbb60b3b19 c88e9ea · 2 weeks ago History

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1	{
2	"domain": "computer-science",
3	"topics": [
4	"constraint-programming",
5	"integer-programming"
6	],
7	"type": "construction",
8	"also": [
9	"proof"
10	],
11	"source": {
12	"key": "csplib",
13	"name": "CSPLib",
14	"url": "https://www.csplib.org/Problems/prob110/",
15	"id": "prob110",
16	"curator": "CSPLib editors",
17	"poser": "Özgür Akgün",
18	"status": "open",
19	"as_of": "2026-10-20",
20	"catalog": "0521c19bbd38"
21	},
22	"review": true,
23	"approval": "first-time"
24	}