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Revert dynamic draw value

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When tested with weaker engines did not
performed as expected, actually it was even
a regression from standard version.

bench: 8430785
This commit is contained in:
Marco Costalba 2014-03-03 08:39:34 +01:00
parent 708cb311a0
commit bbd69c0260
1 changed files with 1 additions and 2 deletions
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3
src/search.cpp
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@ -185,8 +185,7 @@ void Search::think() {
RootColor = RootPos.side_to_move();
TimeMgr.init(Limits, RootPos.game_ply(), RootColor);
// Dynamic draw value: try to avoid repetition draws at early midgame
int cf = std::max(70 - RootPos.game_ply(), 0);
int cf = Options["Contempt Factor"] * PawnValueMg / 100; // From centipawns
DrawValue[ RootColor] = VALUE_DRAW - Value(cf);
DrawValue[~RootColor] = VALUE_DRAW + Value(cf);