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Hexagonal chess. Chess on a board, made out of hexes. Variant of Dave McCooey. (Cells: 91) (Recognized!)[All Comments] [Add Comment or Rating]
Kevin Pacey wrote on 2018-09-10 UTC

Regarding N+B being unable to mate lone K except in rare positions according to McCooey's database, long ago I thought I convinced myself to some degree that a N plus a B on the colour of the centre hex could normally perform the task. To clarify, I'm wondering if such 91-hex board endgame database(s) have taken into account whether the B runs on the same colour as the centre hex, or else the other case for colour being different than that of the centre hex, in case the difference is very or even slightly significant to the statistical result for win percentage expected.