Avoid spamming the GUI in multipv search

[stockfish] / src / bitboard.h

diff --git a/src/bitboard.h b/src/bitboard.h
index b99cc2597ceb7959709b50c1dbfa3514e2479383..35904377ea62d633f55adc83b749b55f8e8f85a7 100644 (file)
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -280,7 +280,7 @@ FORCE_INLINE Square msb(Bitboard b) {
 
 FORCE_INLINE Square pop_lsb(Bitboard* b) {
   const Square s = lsb(*b);
-  *b &= ~(1ULL << s);
+  *b &= *b - 1;
   return s;
 }