David Anton Guijarro (White) Puzzle: Win Material — Endgame
In a chess endgame, an extra piece or pawn matters most when it can attack a fixed weakness. Here, Black’s knight combines active checking possibilities with pressure against an isolated queenside pawn. The key is not to rush the capture immediately: improving the king first preserves control and makes White’s reply commit the king to an unfavorable square. The resulting knight check gains tempo, after which the loose pawn cannot be saved. This is a precise material-winning tactic, not a mating attack.