slightly simplify sufficient_material

Icerath · Jan 10, 2025 · f6aaee4 · f6aaee4
1 parent 29f4468
commit f6aaee4
Showing 1 changed file with 1 addition and 6 deletions.
diff --git a/src/core/board.rs b/src/core/board.rs
@@ -279,12 +279,7 @@ impl Board {
         let w = self.side_bitboards(White);
         let b = self.side_bitboards(Black);
 
-        !w[Queen].is_empty()
-            || !b[Queen].is_empty()
-            || !w[Rook].is_empty()
-            || !b[Rook].is_empty()
-            || !w[Pawn].is_empty()
-            || !b[Pawn].is_empty()
+        !(self[Queen] | self[Rook] | self[Pawn]).is_empty()
             || w[Bishop].count() >= 2
             || b[Bishop].count() >= 2
             || (!w[Bishop].is_empty() && !w[Knight].is_empty())