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
// Init futility move count array
for (d = 0; d < 32; d++)
{
// 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));
DEPTH_ZERO = 0 * ONE_PLY,
DEPTH_QS_CHECKS = -1 * ONE_PLY,
DEPTH_QS_NO_CHECKS = -2 * ONE_PLY,
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
};
DEPTH_NONE = -127 * ONE_PLY
};