How to control the whole board with 8 standard pieces (one king, one queen, two rooks, two knights, two bishops)?
P.S. A piece doesn't control a cell simply by staying on it, so another piece must control it.
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1 Answer
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It's a studied problem: Oxford journal page
The three possible solutions are listed at the top of page 4.
Also noteworthy: there is no option with the bishops on opposing colors.
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1$\begingroup$ I don't think you can claim copyright on a chess position. Here's a reproduction of the three positions: i.sstatic.net/eAltb.png $\endgroup$r3mainer– r3mainer2014-09-04 14:23:17 +00:00Commented Sep 4, 2014 at 14:23
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$\begingroup$ You may have a point, I had no clue how to make what you just did, so I'd have to have taken a screenshot... $\endgroup$Tim Couwelier– Tim Couwelier2014-09-04 14:28:14 +00:00Commented Sep 4, 2014 at 14:28
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$\begingroup$ @r3mainer on chess position no, but specific image, probably, so can't simply screenshot the result here. But with chess, it's easy to just reproduce it on an online board editor (like Lichess) and screenshot that. $\endgroup$justhalf– justhalf2023-12-17 02:33:11 +00:00Commented Dec 17, 2023 at 2:33
