Chess Puzzle #r6nXk — Advanced, Black to move, endgame

Position

White: king f5; pawns a3/f2/h3. Black: king c4; pawns a5/f6/g5/h4. Black is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kxf6 — king f5→f6, captures pawn. Now Black to move.
2. Best move: g4 — pawn g5→g4. Opponent replies hxg4 (pawn h3→g4, captures pawn).
3. Best move: h3 — pawn h4→h3. Opponent replies g5 (pawn g4→g5).
4. Best move: h2 — pawn h3→h2. Opponent replies g6 (pawn g5→g6).
5. Best move: h1=Q — pawn h2→h1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, very long. The key move is g4.

Position data

FEN: 8/8/5p2/p4Kp1/2k4p/P6P/5P2/8 w - - 0 53

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