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  1. J

    About Diamond system geometry

    The "Diamond System" is well-known to 3-Cushion and Pool players. Even though it requires adjustments that fine players apply, it is widely used. But where does it come from? When was it developed? In which country? By whom? How can it be justified? "A Geometric Analysis of the Diamond System"...
  2. J

    Diamond system history

    I am searching for the "beginning" of the "diamond system". I would like to know the persons who had the idea to use a formula, the persons who defined the coding of the diamonds, the persons who improve it, and the dates of that (probably around 1920). At the moment, I have nothing except an...
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