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(parent: c1236f2) | patch
Allow demotion of pieces
authorH.G.Muller <hgm@hgm-xboard.(none)>
Tue, 10 Apr 2018 16:11:19 +0000 (18:11 +0200)
committerH.G.Muller <hgm@hgm-xboard.(none)>
Tue, 10 Apr 2018 16:16:43 +0000 (18:16 +0200)
commitc458c9fd50c572c3014524d361ca749883678206
tree64fb25bbad9e7c173cb035b99edbd15139a88518tree | snapshot
parentc1236f2aabdbfee5326dc593ec01149d1d219ddbcommit | diff
Allow demotion of pieces

The promoInc is now XORed with the moving piece, rather than ORed into it.
This allows moves that specify promotion (through off-board to-square) to
be applied to already promoted pieces, with as a result they revert to
their unpromoted form.
dropper.c diff | blob | history
Engine for playing Wa Shogi and other chess variants with piece drops.