Blog posts with problems to get your brain going! You get a new problem every fortnight and the solutions are published later.
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You may notice some problems are missing... I'm still migrating articles from my old blog.
Can you tile a chessboard with two missing squares?
How many queens and knights can you place on a chessboard?
In how many ways can you place 8 queens on a chessboard?
Alice and Bob sit down, face to face, with a chessboard in front of them. They are going to play a little game, but this game only has a single knight... Who will win?