X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitboard.cpp;h=4e2778a946b89a282d83ba51f774d8b21fe2ecee;hp=b3aeed854b70ce656fda25215c213967b3b6ddcc;hb=8a4821923ac6860c791185a6d25c60ad0391739f;hpb=6307fd08e6e8c315802301fd35b22ca2a67071a9

diff --git a/src/bitboard.cpp b/src/bitboard.cpp
index b3aeed85..4e2778a9 100644
--- a/src/bitboard.cpp
+++ b/src/bitboard.cpp
@@ -116,7 +116,7 @@ void Bitboards::init() {
           if (s1 != s2)
           {
               SquareDistance[s1][s2] = std::max(distance<File>(s1, s2), distance<Rank>(s1, s2));
-              DistanceRingBB[s1][SquareDistance[s1][s2] - 1] |= s2;
+              DistanceRingBB[s1][SquareDistance[s1][s2]] |= s2;
           }
 
   int steps[][5] = { {}, { 7, 9 }, { 6, 10, 15, 17 }, {}, {}, {}, { 1, 7, 8, 9 } };