Sherlock Holmes and The Musgrave Ritual.

From the description:

“After Phillip and Geoffrey Musgrave are found murdered, the sole heir of the estate reads the ceremonial “Musgrave Ritual” which Sherlock Holmes believes contains the motive to the crime. Using the manor’s main hall floor as a giant chessboard and people as chess pieces, the “Ritual” eventually leads Holmes to more than he bargained for. Based on Sir Arthur Conan Doyle’s THE MUSGRAVE RITUAL, this classic film adaptation pairs the definitive Holmes and Watson, Basil Rathbone and Nigel Bruce.“

I bought this DVD from amazon – neat old Sherlock Holmes movie. Here’s the Amazon link to it -

The Return of Sherlock Holmes, Vol. 5 – The Musgrave Ritual.