Knight & Pawn vs Bishop
White to play and win
PlayKnight and pawn against a lone bishop is a win when the pawn is not a rook pawn and the king leads it home. The knight shields the pawn from the bishop's diagonal.
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Knight & Pawn vs Bishop
Win against perfect defense
Waking the engine…
The theory
Knight and pawn versus a lone bishop is often only a draw: the bishop blockades the pawn on its own colour, or sacrifices itself for it. It wins under specific conditions, which this position meets.
Why this one wins. The pawn is a centre pawn (not a rook pawn), the king is active and ahead of it, and the knight can cover the exact square in front of the pawn, so the bishop can neither blockade safely nor trade itself for the pawn on favourable terms.
The method. Lead with the king to fight for the promotion square; use the knight to guard the pawn's path, denying the bishop its blockade; advance the pawn only when the sacrifice-for-the-pawn does not reach a bare-king draw.
In this drill you convert. King first, knight covering, pawn last: the tablebase bishop will pounce on any premature push and head for its drawing sacrifice.