Original version of shane's patch

official-stockfish · Jun 25, 2014 · 747e035 · 747e035
1 parent 6c9f4cf
commit 747e035
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/evaluate.cpp b/src/evaluate.cpp
@@ -750,7 +750,8 @@ namespace {
                 // Endgame with opposite-colored bishops, but also other pieces. Still
                 // a bit drawish, but not as drawish as with only the two bishops.
                  sf = ScaleFactor(50 * sf / SCALE_FACTOR_NORMAL);
-        } else if ( ei.pi->pawn_span(strongSide) <= 1 &&
+        } else if ( abs(eg_value(score)) <= BishopValueEg &&
+                    ei.pi->pawn_span(strongSide) <= 1 &&
                    !pos.pawn_passed(~strongSide, pos.king_square(~strongSide))) {
             sf = ScaleFactor(ScalePawnSpan[ei.pi->pawn_span(strongSide)]);
         }