Chess Puzzle #n4MSb — Master, Black to move, endgame

Position

White: king g4; knight f6; pawn c3. Black: king c4; knight g5; pawn a5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Kxg5 — king g4→g5, captures knight. Now Black to move.
2. Best move: a4 — pawn a5→a4. Opponent replies Ne4 (knight f6→e4).
3. Best move: a3 — pawn a4→a3. Opponent replies Nd2+ (knight e4→d2, gives check).
4. Best move: Kd3 — king c4→d3. Opponent replies Nb3 (knight d2→b3).
5. Best move: Kc2 — king d3→c2.

Tactical themes

crushing, defensive move, endgame, knight endgame, quiet move, very long. The key move is a4.

Position data

FEN: 8/8/5N2/p5n1/2k3K1/2P5/8/8 w - - 0 53

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