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Raumschach. The classical variant of three-dimensional chess: 5 by 5 by 5. (5x(5x5), Cells: 125) (Recognized!)[All Comments] [Add Comment or Rating]
Kevin Pacey wrote on Thu, Feb 18, 2016 07:10 PM UTC:Good ★★★★
I may be wrong, but so far I've concluded that in Raumschach there are possible mating positions with a K & B plus R (or an opposite coloured B) vs. lone K, but it seems that they are not forcible, or 'basic' mates (unlike K & Q vs. lone K). I'm wondering if a K plus some combination(s) of 3 pieces (aside from including any Q or P) can force mate against a lone K. Perhaps more than 3 such pieces are required?