Remove semiopenFiles in pawns and simplify space #2102

[stockfish] / src / pawns.cpp

diff --git a/src/pawns.cpp b/src/pawns.cpp
index b034f478bede4e4456bd4ee3c741992c2ef6ef5d..7e29f5065803cc7b7d801f6935dd15903db27aef 100644 (file)
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -77,7 +77,6 @@ namespace {
     Bitboard theirPawns = pos.pieces(Them, PAWN);
 
     e->passedPawns[Us] = e->pawnAttacksSpan[Us] = e->weakUnopposed[Us] = 0;
-    e->semiopenFiles[Us] = 0xFF;
     e->kingSquares[Us]   = SQ_NONE;
     e->pawnAttacks[Us]   = pawn_attacks_bb<Us>(ourPawns);
     e->pawnsOnSquares[Us][BLACK] = popcount(ourPawns & DarkSquares);
@@ -91,7 +90,6 @@ namespace {
         File f = file_of(s);
         Rank r = relative_rank(Us, s);
 
-        e->semiopenFiles[Us]   &= ~(1 << f);
         e->pawnAttacksSpan[Us] |= pawn_attack_span(Us, s);
 
         // Flag the pawn