Fix rep-draw detection
authorH.G. Muller <h.g.muller@hccnet.nl>
Mon, 11 Jul 2011 18:33:17 +0000 (20:33 +0200)
committerH.G. Muller <h.g.muller@hccnet.nl>
Mon, 11 Jul 2011 18:33:17 +0000 (20:33 +0200)
commitd5de5c406540b053c30e9732ae6c7b93c594bf27
tree45edd553d741c926688f2c656eb48327fe600f44
parent534b15b1773a6f879b0b83fb0cfa0b02b003813c
Fix rep-draw detection

The comparison with previous positions started one half-move too late,
so that a third repetition was not recognized if the first occurrence
was created by an irreversible move.
lasker-2.2.3/src/gameproc.c