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CP Software
CP Software were a small distributor based in Harrogate - they only appear to have released two programs for the Sinclair QL, although they did release other software for the Sinclair ZX81 / ZX Spectrum, Amstrad CPC and Atari ST between 1982 and 1987.
Digital Precision Ltd was an off-shoot of CP Software, with Freddy Vaccha involved in the creation of several CP Software titles.
Their titles for the Sinclair QL were:
Bridge Player, which was published by Deep Thought Software.
Bridge Player II which was an updated version of Bridge Player