Chess Puzzle #VihhZ — Expert, Black to move, endgame

Position

White: king f6; pawns a2/b2/e3/g3/h2. Black: king g4; pawns a7/b6/f5/g5/h4. Material is balanced. Black to move.

Solution (5 moves)

1. Opponent setup: gxh4 — pawn g3→h4, captures pawn. Now Black to move.
2. Best move: f4 — pawn f5→f4. Opponent replies hxg5 (pawn h4→g5, captures pawn).
3. Best move: f3 — pawn f4→f3. Opponent replies g6 (pawn g5→g6).
4. Best move: f2 — pawn f3→f2. Opponent replies g7 (pawn g6→g7).
5. Best move: f1=Q+ — pawn f2→f1, promotes to queen, gives check. Opponent replies Ke7 (king f6→e7).
6. Best move: Qc4 — queen f1→c4.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, very long. The key move is f4.

Position data

FEN: 8/p7/1p3K2/5pp1/6kp/4P1P1/PP5P/8 w - - 0 45

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