Chess Puzzle #4HAsM — Beginner, Black to move, endgame

Position

White: king d5; knight d3; pawns b4/e4/f5/g4/g6. Black: king g7; bishop d2; pawns a4/f6/h6. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nb2 — knight d3→b2. Now Black to move.
2. Best move: a3 — pawn a4→a3. Opponent replies Nc4 (knight b2→c4).
3. Best move: a2 — pawn a3→a2. Opponent replies Nxd2 (knight c4→d2, captures bishop).
4. Best move: a1=Q — pawn a2→a1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, long, promotion. The key move is a3.

Position data

FEN: 8/6k1/5pPp/3K1P2/pP2P1P1/3N4/3b4/8 w - - 0 37

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