Chess King 4 Deep Pro with Houdini 4 Pro Chess Software (Strongest Version, New for 2014) This is the new version for 2014 of top selling Chess King with Houdini, now version 4 Deep Pro with the new Houdini 4 Pro 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 Pro, supports up to 32 cores and 256 GB of hash Prepare for your opponent, opening and custom trees, 1500 puzzles and 100+ quest games