Ideas from the chess books, played out on the board
King-and-pawn endings are judged by an exact solver, so every verdict is correct. Chess pieces by Colin M.L. Burnett (Cburnett) and Rfc1394 from Wikimedia Commons, adapted for cm-chessboard by Stefan Haack, licensed CC BY-SA 3.0 (all licenses). Use ← and → to move between steps; right-click drag draws your own arrows.