X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftimeman.cpp;h=9accfbb346a6e2ca77b960378a29a496c3ceeb4f;hp=fc2a327df253528a77ce9f80f1b286728124f93d;hb=c9dcda6ac488c0058ebd567e1f52e30b8cd0db20;hpb=92faa74dfa862fbdef409017a4ccd993c549f723

diff --git a/src/timeman.cpp b/src/timeman.cpp
index fc2a327d..9accfbb3 100644
--- a/src/timeman.cpp
+++ b/src/timeman.cpp
@@ -1,7 +1,7 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -44,7 +44,7 @@ namespace {
 
   double move_importance(int ply) {
 
-    return 1 / pow((1 + exp((ply - xshift) / xscale)), skewfactor) + 1e-3; // Ensure non-zero
+    return pow((1 + exp((ply - xshift) / xscale)), -skewfactor);
   }