Fix promotions in holdingless seirawan
authorH.G.Muller <hgm@hgm-xboard.(none)>
Wed, 1 Jan 2020 18:56:28 +0000 (19:56 +0100)
committerH.G.Muller <hgm@hgm-xboard.(none)>
Wed, 1 Jan 2020 19:15:45 +0000 (20:15 +0100)
commitc31e4039f0f464ea750bf68835c707338f25a90a
tree3bfb729a053434f1687c2f817068d7121fae780f
parent1ca6e13d14c1ef508f9e3918c33a46ec4b8bac62
Fix promotions in holdingless seirawan

When the extreme ranks are really holdings, promotion should take place on
the penultimate ranks. So a zone width of 2 is now specified in that case.
backend.c
moves.c