Babson task

The Babson task is a chess problem, a directmate in 3 moves, such that the solution has the following properties: 1. * White makes his first move, the only move that forces mate in 3 moves. 2. * Black's best defense is now to promote a pawn. 3. * White's only way to force mate in 2 moves is to also promote a pawn, to the same piece that black just promoted to, whether a queen, rook, bishop or knight. 4. * Black moves. 5. * White can now checkmate Black.

Babson task

The Babson task is a chess problem, a directmate in 3 moves, such that the solution has the following properties: 1. * White makes his first move, the only move that forces mate in 3 moves. 2. * Black's best defense is now to promote a pawn. 3. * White's only way to force mate in 2 moves is to also promote a pawn, to the same piece that black just promoted to, whether a queen, rook, bishop or knight. 4. * Black moves. 5. * White can now checkmate Black.