While Jam, who's a busy boy, is working on the next quiz proper try these. Winning doesn't mean you get to set another it's just a bit of fun.

They are in the format of 64 S on a CB = 64 Squares on a Chess Board.

All you need do is decipher them. Most are Prog related but a few aren't.

1) 2 A by Y with PB, Y and T and a W.
2) O 1 A by G with RW
3) 75 T by FK on AM PL
4) 21 D S D of the Y
5) 100 C in a D