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Retire loose enemies bonus

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STC:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 44727 W: 7943 L: 7862 D: 28922

LTC:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 148343 W: 19044 L: 19088 D: 110211

Bench: 5669076

Closes #1005
This commit is contained in:
torfranz 2017-02-14 21:26:08 -08:00 • committed by Joona Kiiski
parent 83fb4547f6
commit faedcf08a8
1 changed files with 0 additions and 6 deletions
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6
src/evaluate.cpp
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@ -190,7 +190,6 @@ namespace {
const Score OtherCheck = S(10, 10);
const Score CloseEnemies = S( 7, 0);
const Score PawnlessFlank = S(20, 80);
const Score LooseEnemies = S( 0, 25);
const Score ThreatByHangingPawn = S(71, 61);
const Score ThreatByRank = S(16, 3);
const Score Hanging = S(48, 27);
@ -515,11 +514,6 @@ namespace {
Bitboard b, weak, defended, safeThreats;
Score score = SCORE_ZERO;
// Small bonus if the opponent has loose pawns or pieces
if ( (pos.pieces(Them) ^ pos.pieces(Them, QUEEN, KING))
& ~(ei.attackedBy[Us][ALL_PIECES] | ei.attackedBy[Them][ALL_PIECES]))
score += LooseEnemies;
// Non-pawn enemies attacked by a pawn
weak = (pos.pieces(Them) ^ pos.pieces(Them, PAWN)) & ei.attackedBy[Us][PAWN];