diff --git a/src/interface.jl b/src/interface.jl
index a4d4a8d..4600a30 100644
--- a/src/interface.jl
+++ b/src/interface.jl
@@ -87,6 +87,8 @@ function runMCTS(
     else
       _ = expand(node, transition, transitionargs;
                 horizontalSample=horizontalSampleExpansionPhase)
+
+      println(555)
       
       @sync for (leafNodeKey, leafNode) in node.children
         @spawn simulateThenBackpropagate(leafNode, transition, transitionargs;