Chess King Gold with Houdini 4 Pro Chess EngineChess King Gold With Houdini 4 Pro Chess King Gold with Houdini 4 Pro is the new improved version for 2015 of the top selling Chess King 4 Pro chess software, in its absolutely strongest version. It is sold with both Mac and PC installers and allows up to 4 activations in any mix PC & Mac, for example 3 PC installations and 1 Mac installation. Chess King Silver includes Houdini 4 super grandmaster engine and the new updated 2015 GigaKing game database
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