SharpChess is a free, open-source computer application that enables you to play chess against the computer. SharpChess is also a chess engine that competes in computer vs. computer chess tournaments. The main goal of this project is to improve SharpChess's chess playing strength. Find out more about chess programming at SharpChess.com or the excellent: http://chessprogramming.wikispaces.com/
Currently I observe very strange issue: computer player will never move until I press Ctrl-T (item 'Think' from main menu).
It looks like this behaviour is by design, but it is too boring to press neccessary button every computer's ply.