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(parent: 20d672b) | patch
Fix rep-draw detection in drop games
authorH.G. Muller <h.g.muller@hccnet.nl>
Sat, 22 Dec 2012 19:25:51 +0000 (20:25 +0100)
committerH.G. Muller <h.g.muller@hccnet.nl>
Sat, 22 Dec 2012 21:57:30 +0000 (22:57 +0100)
commitfae6216ac24b51714583d313f9213d90f9fd4fbc
tree74a940067c2d9723eac271dbc083ebcfbf1b7ccdtree | snapshot
parent20d672bfa3be42e8b4bb8096870ecf5d9d023b65commit | diff
Fix rep-draw detection in drop games

In games like Crazyhouse every move is reversible, as captured pieces
can eventually change sides again, and be dropped back on the board.
So we have to search back a full 100 ply for repetitions, passing captures
and Pawn moves.
backend.c diff | blob | history
Graphical Chess board