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Handle UCI command "mate in x moves"

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Following a user request I added the handling of UCI:

go mate x

Currently we just return from a PV node if x moves have been
done. Probably not the best approach. I have looked at Fruit/Toga
sources and there is even simpler: engine falls back on a fixed
depth search.

No functional change.
This commit is contained in:
Marco Costalba
2012-12-30 11:40:20 +01:00
parent 3cf6471738
commit ce063f59cd
3 changed files with 15 additions and 3 deletions
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4
src/search.h
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@@ -80,9 +80,9 @@ struct RootMove {
struct LimitsType {
LimitsType() { memset(this, 0, sizeof(LimitsType)); }
bool use_time_management() const { return !(movetime | depth | nodes | infinite); }
bool use_time_management() const { return !(mate | movetime | depth | nodes | infinite); }
int time[COLOR_NB], inc[COLOR_NB], movestogo, depth, nodes, movetime, infinite, ponder;
int time[COLOR_NB], inc[COLOR_NB], movestogo, depth, nodes, movetime, mate, infinite, ponder;
};