._site

jumphalf as default

diff --git a/sim.py b/sim.py
--- a/sim.py
+++ b/sim.py
@@ -350,7 +350,7 @@ def checkreplacelongest(target, prev, ne
         disconnectfromtarget(tokillconn, prev, net)
     return True
 
-def checkfold(target, prev, net, probability=0.2, strategy="connect"):
+def checkfold(target, prev, net, probability=0.2, strategy="jumphalf"):
     """switch to the target location with some probability"""
     if random() > probability:
         return