Index: trunk/MagicSoft/Mars/mhflux/MAlphaFitter.cc
===================================================================
--- trunk/MagicSoft/Mars/mhflux/MAlphaFitter.cc	(revision 6883)
+++ trunk/MagicSoft/Mars/mhflux/MAlphaFitter.cc	(revision 6888)
@@ -501,4 +501,8 @@
     case kSignificanceChi2:
         return -GetSignificance()/GetChiSqSignal();
+    case kSignificanceExcess:
+        return -GetSignificance()*GetEventsExcess();
+    case kExcess:
+        return -GetEventsExcess();
     }
     return 0;
@@ -557,4 +561,8 @@
         if (txt==(TString)"significancechi2")
             fStrategy = kSignificanceChi2;
+        if (txt==(TString)"significanceexcess")
+            fStrategy = kSignificanceExcess;
+        if (txt==(TString)"excess")
+            fStrategy = kExcess;
         rc = kTRUE;
     }
Index: trunk/MagicSoft/Mars/mhflux/MAlphaFitter.h
===================================================================
--- trunk/MagicSoft/Mars/mhflux/MAlphaFitter.h	(revision 6883)
+++ trunk/MagicSoft/Mars/mhflux/MAlphaFitter.h	(revision 6888)
@@ -30,5 +30,7 @@
     enum Strategy_t {
         kSignificance,
-        kSignificanceChi2
+        kSignificanceChi2,
+        kSignificanceExcess,
+        kExcess
     };
 private: