White to move first, and to checkmate with either the K. B. P. or K. R. P. in six moves.

* Contributed by Mr. Lewis to The Chess Player's Chronicle.

White moving first is to checkmate in seven moves, without being allowed to move any piece or pawn, except the Knight.

White to move first; to compel the Black King to pass between all the Black Pawns, and to checkmate him in eight moves, The Black Pawns are not allowed to move.

White to move first, and checkmate in thirteen moves.

White to move first, and draw the game.