An incorrect diagram was run with yesterday's Chess column. At left is the correct diagram. Solution to today's problem by T. Kardos (White: Kh4,Qb3,Rd5,Nf3,Nh5; Black: ...

The idea behind M.C.T.S., as it’s often known, is that a game like chess is really a tree of possibilities. If I move my rook to d8, you could capture it or let it be, ...