This is a good problem, but it needs more test cases. There is no test with the King for instance, and there should be a true and false state test for every piece.
this doesn't take into account captures or moving a pawn 2 moves from its starting position. should it?
and the occasional other weird rules...
Captures and pawn 2 moves and castling and such aren't possible based upon the assumptions I stated (i.e. no other pieces on the board, the previous move was valid, etc)
Better bullseye matrix
Back to basics 3 - Temp Directory
Duplicate each element of a vector.
Get the elements of diagonal and antidiagonal for any m-by-n matrix
Back to basics 6 - Column Vector
Back to basics 16 - byte order
Back to basics 21 - Matrix replicating
Back to basics 26 - Keywords
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