Chess King 4 Deep with Houdini 4 Chess Software (New for 2014) This is the new version for 2014 of top selling Chess King with Houdini, now version 4 Deep with the new Houdini 4 engine Includes 6 million game GigaKing Database, free updates 2014 Classical and random playing modes, hundreds possible levels of play Includes Super-GM engine Houdini 4, supports up to 6 cores and 4 GB of hash Prepare for your opponent, opening and custom trees, 1500 puzzles and 100+ quest games