Correct sign and ad missing 1 +

Author: Opt-Mucca

highs/presolve/HPresolve.cpp

@@ -1616,8 +1616,8 @@ HPresolve::Result HPresolve::runProbing(HighsPostsolveStack& postsolve_stack) {
         double basic_score =
             std::get<0>(basic_scores[i]) == 0
                 ? 1
-                : static_cast<double>(std::get<0>(basic_scores[i])) /
-                      max_basic_score;
+                : 1 + 2 * -static_cast<double>(std::get<0>(basic_scores[i])) /
+                          max_basic_score;
         double advanced_score =
             -(scores[col].first * scores[col].second +
               std::max(scores[col].first, scores[col].second)) /