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Combo of statscore divisor and pawn psqt changes 

Passed STC 10+0.1 th 1:
LLR: 2.96 (-2.94,2.94) [0.00,4.00]
Total: 13282 W: 3100 L: 2881 D: 7301
http://tests.stockfishchess.org/tests/view/5d21132e0ebc5925cf0c81f4

Passed LTC 60+0.6 th 1:
LLR: 2.95 (-2.94,2.94) [0.00,4.00]
Total: 44243 W: 7768 L: 7468 D: 29007
http://tests.stockfishchess.org/tests/view/5d2119050ebc5925cf0c832b

Bench 3705891
pull/2215/head^2
xoto10 2019-07-07 02:20:49 +01:00 committed by Stéphane Nicolet
parent 93349d0dbd
commit 5a7827d59d
2 changed files with 7 additions and 7 deletions
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12
src/psqt.cpp
View File

@ -93,12 +93,12 @@ constexpr Score Bonus[][RANK_NB][int(FILE_NB) / 2] = {
constexpr Score PBonus[RANK_NB][FILE_NB] =
{ // Pawn (asymmetric distribution)
{ },
{ S( 0,-10), S( -5,-3), S( 10, 7), S( 13,-1), S( 21, 7), S( 17, 6), S( 6, 1), S( -3,-20) },
{ S(-11, -6), S(-10,-6), S( 15,-1), S( 22,-1), S( 26, -1), S( 28, 2), S( 4,-2), S(-24, -5) },
{ S( -9, 4), S(-18,-5), S( 8,-4), S( 22,-5), S( 33, -6), S( 25,-13), S( -4,-3), S(-16, -7) },
{ S( 6, 18), S( -3, 2), S(-10, 2), S( 1,-9), S( 12,-13), S( 6, -8), S(-12,11), S( 1, 9) },
{ S( -6, 25), S( -8,17), S( 5,19), S( 11,29), S(-14, 29), S( 0, 8), S(-12, 4), S(-14, 12) },
{ S(-10, -1), S( 6,-6), S( -5,18), S(-11,22), S( -2, 22), S(-14, 17), S( 12, 2), S( -1, 9) }
{ S( 3,-10), S( 3, -6), S( 10, 10), S( 19, 0), S( 16, 14), S( 19, 7), S( 7, -5), S( -5,-19) },
{ S( -9,-10), S(-15,-10), S( 11,-10), S( 15, 4), S( 32, 4), S( 22, 3), S( 5, -6), S(-22, -4) },
{ S( -8, 6), S(-23, -2), S( 6, -8), S( 20, -4), S( 40,-13), S( 17,-12), S( 4,-10), S(-12, -9) },
{ S( 13, 9), S( 0, 4), S(-13, 3), S( 1,-12), S( 11,-12), S( -2, -6), S(-13, 13), S( 5, 8) },
{ S( -5, 28), S(-12, 20), S( -7, 21), S( 22, 28), S( -8, 30), S( -5, 7), S(-15, 6), S(-18, 13) },
{ S( -7, 0), S( 7,-11), S( -3, 12), S(-13, 21), S( 5, 25), S(-16, 19), S( 10, 4), S( -8, 7) }
};
#undef S

2
src/search.cpp
View File

@ -1115,7 +1115,7 @@ moves_loop: // When in check, search starts from here
r += ONE_PLY;
// Decrease/increase reduction for moves with a good/bad history (~30 Elo)
r -= ss->statScore / 20000 * ONE_PLY;
r -= ss->statScore / 16384 * ONE_PLY;
}
Depth d = clamp(newDepth - r, ONE_PLY, newDepth);