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Union of 2 changes that failed with good score

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This is a union of 2 changes:

A tweak of recaptures limit from Joona Kiiski
http://tests.stockfishchess.org/tests/view/52166d7c0ebc59319a242400

and a tweak of move count pruning from Leonid Pechenik
http://tests.stockfishchess.org/tests/view/5217c7e60ebc59319a242456

The set passed both short TC at 30+0.05
LLR: 2.96 (-2.94,2.94)
Total: 18936 W: 3723 L: 3566 D: 11647

And the usual long TC at 60+0.05
LLR: 2.95 (-2.94,2.94)
Total: 48962 W: 8837 L: 8487 D: 31638

bench: 3453945
This commit is contained in:
Uri Blass 2013-08-31 10:23:01 +03:00 • committed by Marco Costalba
parent 5e8bc6ac2a
commit 0915f85895
2 changed files with 3 additions and 3 deletions
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4
src/search.cpp
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@ -153,8 +153,8 @@ void Search::init() {
// Init futility move count array
for (d = 0; d < 32; d++)
{
FutilityMoveCounts[0][d] = int(3.001 + 0.3 * pow(double(d ), 1.8)) * (d < 5 ? 4 : 3) / 4;
FutilityMoveCounts[1][d] = int(3.001 + 0.3 * pow(double(d + 0.98), 1.8));
FutilityMoveCounts[0][d] = int(3 + 0.3 * pow(double(d ), 1.8)) * 3/4 + (2 < d && d < 5);
FutilityMoveCounts[1][d] = int(3 + 0.3 * pow(double(d + 0.98), 1.8));
}
}

2
src/types.h
View file

@ -196,7 +196,7 @@ enum Depth {
DEPTH_ZERO = 0 * ONE_PLY,
DEPTH_QS_CHECKS = -1 * ONE_PLY,
DEPTH_QS_NO_CHECKS = -2 * ONE_PLY,
DEPTH_QS_RECAPTURES = -7 * ONE_PLY,
DEPTH_QS_RECAPTURES = -5 * ONE_PLY,
DEPTH_NONE = -127 * ONE_PLY
};