Chess Puzzle #E1AIf — Advanced, Black to move, endgame

Position

White: king f3; pawns g3/g4/h4. Black: king e5; pawns e6/g5. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: hxg5 — pawn h4→g5, captures pawn. Now Black to move.
2. Best move: Kd6 — king e5→d6. Opponent replies g6 (pawn g5→g6).
3. Best move: Ke7 — king d6→e7. Opponent replies g7 (pawn g6→g7).
4. Best move: Kf7 — king e7→f7. Opponent replies g8=Q+ (pawn g7→g8, promotes to queen, gives check).
5. Best move: Kxg8 — king f7→g8, captures queen.

Tactical themes

endgame, equality, pawn endgame, very long. The key move is Kd6.

Position data

FEN: 8/8/4p3/4k1p1/6PP/5KP1/8/8 w - - 0 53

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