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Timeline for Chess pieces attacking exactly once

Current License: CC BY-SA 4.0

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Mar 5, 2020 at 8:09 comment added Steve @DmitryKamenetsky if you squint, bishops kind-of look like rooks rotated 45° :)
Mar 5, 2020 at 6:21 comment added Dmitry Kamenetsky wow that bishops one is amazingly dense!
Mar 4, 2020 at 16:23 history edited Steve CC BY-SA 4.0
Added second layout for maximal knights.
Mar 4, 2020 at 10:22 history edited Steve CC BY-SA 4.0
Added bishops; tidied up reference to converting other solutions to two-colour solutions.
Mar 3, 2020 at 17:06 history edited Steve CC BY-SA 4.0
Improved knights solution
Mar 3, 2020 at 16:57 history edited Steve CC BY-SA 4.0
A corrected knights solution (probably not optimal, but not making the blunder of my previous attempt)
Mar 3, 2020 at 16:48 history rollback Steve
Rollback to Revision 1
Mar 3, 2020 at 16:44 history edited Steve CC BY-SA 4.0
Added better knights solution for this interpretation of rules.
Mar 3, 2020 at 15:50 history answered Steve CC BY-SA 4.0