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Update parametes in classical evaluation.
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Passed STC (NNUE=False):
https://tests.stockfishchess.org/tests/view/5f42edfe5089a564a10d84a0
LLR: 2.96 (-2.94,2.94) {-0.25,1.25}
Total: 13840 W: 2591 L: 2336 D: 8913
Ptnml(0-2): 194, 1453, 3387, 1676, 210

Passed LTC (NNUE=False):
https://tests.stockfishchess.org/tests/view/5f4369795089a564a10d84d8
LLR: 2.95 (-2.94,2.94) {0.25,1.25}
Total: 159744 W: 19430 L: 18850 D: 121464
Ptnml(0-2): 960, 14185, 49030, 14709, 988

closes #3080

bench: 3736029
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FauziAkram authored and vondele committed Aug 30, 2020
1 parent 9b5b9ec commit e0bafa1
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Showing 2 changed files with 6 additions and 6 deletions.
10 changes: 5 additions & 5 deletions src/evaluate.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -227,26 +227,26 @@ namespace {

// Outpost[knight/bishop] contains bonuses for each knight or bishop occupying a
// pawn protected square on rank 4 to 6 which is also safe from a pawn attack.
constexpr Score Outpost[] = { S(56, 36), S(30, 23) };
constexpr Score Outpost[] = { S(56, 34), S(31, 23) };

// PassedRank[Rank] contains a bonus according to the rank of a passed pawn
constexpr Score PassedRank[RANK_NB] = {
S(0, 0), S(10, 28), S(17, 33), S(15, 41), S(62, 72), S(168, 177), S(276, 260)
S(0, 0), S(9, 28), S(15, 31), S(17, 39), S(64, 70), S(171, 177), S(277, 260)
};

// RookOnFile[semiopen/open] contains bonuses for each rook when there is
// no (friendly) pawn on the rook file.
constexpr Score RookOnFile[] = { S(19, 7), S(48, 29) };
constexpr Score RookOnFile[] = { S(19, 7), S(48, 27) };

// ThreatByMinor/ByRook[attacked PieceType] contains bonuses according to
// which piece type attacks which one. Attacks on lesser pieces which are
// pawn-defended are not considered.
constexpr Score ThreatByMinor[PIECE_TYPE_NB] = {
S(0, 0), S(5, 32), S(57, 41), S(77, 56), S(88, 119), S(79, 161)
S(0, 0), S(5, 32), S(55, 41), S(77, 56), S(89, 119), S(79, 162)
};

constexpr Score ThreatByRook[PIECE_TYPE_NB] = {
S(0, 0), S(3, 46), S(37, 68), S(42, 60), S(0, 38), S(58, 41)
S(0, 0), S(3, 44), S(37, 68), S(42, 60), S(0, 39), S(58, 43)
};

// Assorted bonuses and penalties
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2 changes: 1 addition & 1 deletion src/search.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -944,7 +944,7 @@ namespace {
}
ss->ttPv = ttPv;
}

// Step 11. If the position is not in TT, decrease depth by 2
if ( PvNode
&& depth >= 6
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