Index: score.c
===================================================================
--- score.c	(revision 6816)
+++ score.c	(working copy)
@@ -273,7 +273,11 @@
 	cnts  = &props->cnts;
 	props->prob = calc_prob(cnts->good, cnts->bad,
 				cnts->msgs_good, cnts->msgs_bad);
-	props->used = fabs(props->prob - EVEN_ODDS) > min_dev;
+	if ( ( fabs(props->prob - EVEN_ODDS) < min_dev ) ||
+	     ( cnts->good + cnts->bad < 3 ) )
+	    props->used = false;
+	else
+	    props->used = true;
 	if (props->used)
 	    count += 1;
     }