Pure opposite bishops endgames are drawn after a little shuffling

snicolet · Apr 16, 2018 · 70f946e · 70f946e
1 parent ae0bb6d
commit 70f946e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/evaluate.cpp b/src/evaluate.cpp
@@ -807,7 +807,7 @@ namespace {
             // Endgame with opposite-colored bishops and no other pieces is almost a draw
             if (   pos.non_pawn_material(WHITE) == BishopValueMg
                 && pos.non_pawn_material(BLACK) == BishopValueMg)
-                sf = 31;
+                sf = pos.rule50_count() > 10 ? 0 : 31;
 
             // Endgame with opposite-colored bishops, but also other pieces. Still
             // a bit drawish, but not as drawish as with only the two bishops.