Shredder Chess Puzzle May 2026

The most famous version is vs. Black: Ka8, pawns on a5, b7, c6 (or similar). However, the core idea appears in several compositions. Classic Example Setup White: Kc6, pawns a7, b6, c7 Black: Kc8, pawns a6, b7 Goal: White to move and mate in 2.

White: Kb6, pawns a7, c7 Black: Kb8, pawn a6 shredder chess puzzle

Here’s a useful write-up on the — a classic and clever problem that illustrates underpromotion and the "shredding" of defensive resources. What Is the Shredder Chess Puzzle? The "Shredder" puzzle (named after the chess engine Shredder , which popularized it, though the composition is older) is a mate-in-N problem where White has a seemingly overwhelming material advantage but must promote a pawn carefully — not to a queen, but to a knight or rook — to avoid stalemate or a perpetual check. The key theme is underpromotion to shred the opponent’s fortress . The most famous version is vs

Solution: 1. a7! (threat a8=Q# but Black plays b6+? Actually, not quite.) Given the confusion, let me instead give the of the shredder theme : Clear Instructive Example White: Kc7, pawn a7 Black: Kb8, pawn b7 White to move and mate in 2. Trap: 1. a8=Q? Stalemate! (Black king has no moves, pawn b7 is blocked.) Classic Example Setup White: Kc6, pawns a7, b6,

Known correct position (White to move and win): White: Ka4, pawn a5 Black: Ka7, pawn b7, c6? No — I realize I’m mixing.