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Chess notation has come a long way since descriptive notation, now we have nice and decipherable Standard Algebraic Notation, like Qxf7 (queen takes on f7) or Nf3 (knight takes on f3).This is a great text format, but a massive waste of space if you’re trying to store a lot of these. Qxf7 takes 4 bytes, or 32 bits. L...