langsung aja klik di sini Top most powerful opening Chess.com
1.Arena, current version 3.0
http://www.playwitharena.com/?Download
2.LucasChess, current version 7.04
http://lucaschess.host22.com/
3.Tarrasch, current version 2.01
http://www.triplehappy.com/
4.Winboard, current version 4.7
http://www.open-aurec.com/wbforum/viewtopic.php?t=51528
5.Knights Gambit
http://www.myplaycity.com/knights_gambit/