Skip to content

Commit

Permalink
Try more aggressive version
Browse files Browse the repository at this point in the history
  • Loading branch information
zamar committed Apr 17, 2013
1 parent 3e4dfb4 commit 818e0b2
Show file tree
Hide file tree
Showing 2 changed files with 3 additions and 3 deletions.
2 changes: 1 addition & 1 deletion src/evaluate.cpp
Expand Up @@ -584,7 +584,7 @@ Value do_evaluate(const Position& pos, Value& margin) {

// Penalty for bishop with same coloured pawns
if (Piece == BISHOP)
score -= make_score(4, 4) * ei.pi->same_colored_pawn_count(s, Us);
score -= make_score(8, 12) * ei.pi->same_colored_pawn_count(s, Us);

// Bishop and knight outposts squares
if ( (Piece == BISHOP || Piece == KNIGHT)
Expand Down
4 changes: 2 additions & 2 deletions src/material.cpp
Expand Up @@ -39,14 +39,14 @@ namespace {
const Value RedundantRookPenalty = Value(554);

// pair pawn knight bishop rook queen
const int LinearCoefficients[6] = { 1617, -162, -1172, -62, 105, 26 };
const int LinearCoefficients[6] = { 1617, -162, -1172, -190, 105, 26 };

const int QuadraticCoefficientsSameColor[][PIECE_TYPE_NB] = {
// pair pawn knight bishop rook queen
{ 7 }, // Bishop pair
{ 39, 2 }, // Pawn
{ 35, 271, -4 }, // Knight
{ 7, 25, 4, 7 }, // Bishop
{ 7, 105, 4, 7 }, // Bishop
{ -27, -2, 46, 100, 56 }, // Rook
{ 58, 29, 83, 148, -3, -25 } // Queen
};
Expand Down

0 comments on commit 818e0b2

Please sign in to comment.