* don't calculate defense if the contract doesn't make

1 files changed, 3 insertions, 3 deletions

diff --git a/src/ParContract.cs b/src/ParContract.cs
index 9a6c500..313f5b9 100644
--- a/src/ParContract.cs
+++ b/src/ParContract.cs
@@ -173,15 +173,15 @@ namespace BCDD
 

         public ParContract GetDefense(int[,] ddTable, bool vulnerable)

         {

-            if (this.Level != 0)

+            int declarerIndex = Array.IndexOf(BCalcWrapper.PLAYERS, this.Declarer);

+            int denominationIndex = Array.IndexOf(BCalcWrapper.DENOMINATIONS, this.Denomination);

+            if (this.Level != 0 && this.Level + 6 <= ddTable[declarerIndex, denominationIndex])

             {

-                int declarerIndex = Array.IndexOf(BCalcWrapper.PLAYERS, this.Declarer);

                 List<int> defendersIndexes = new List<int>();

                 defendersIndexes.Add((declarerIndex + 1) & 3);

                 defendersIndexes.Add((declarerIndex + 3) & 3);

                 List<ParContract> possibleDefense = new List<ParContract>();

                 int scoreSquared = this.Score * this.Score;

-                int denominationIndex = Array.IndexOf(BCalcWrapper.DENOMINATIONS, this.Denomination);

                 for (int i = 0; i < 5; i++)

                 {

                     int level = this.Level;