Chess Puzzle #Hb8Mo — Advanced, Black to move, endgame

Position

White: king c2; pawns a3/e3/f3/g3/h4. Black: king c4; pawns a5/f5/g6/h5. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: f4 — pawn f3→f4. Now Black to move.
2. Best move: a4 — pawn a5→a4. Opponent replies Kd2 (king c2→d2).
3. Best move: Kb3 — king c4→b3. Opponent replies Ke2 (king d2→e2).
4. Best move: Kxa3 — king b3→a3, captures pawn. Opponent replies e4 (pawn e3→e4).
5. Best move: fxe4 — pawn f5→e4, captures pawn.

Tactical themes

crushing, endgame, pawn endgame, quiet move, very long, zugzwang. The key move is a4.

Position data

FEN: 8/8/6p1/p4p1p/2k4P/P3PPP1/2K5/8 w - - 0 37

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