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

Position

White: king e4; pawns b4/c5/f4/g4/h5. Black: king e6; pawns b5/c4/f5/g6/h6. Material is balanced. Black to move.

Solution (5 moves)

1. Opponent setup: Kd4 — king e4→d4. Now Black to move.
2. Best move: fxg4 — pawn f5→g4, captures pawn. Opponent replies hxg6 (pawn h5→g6, captures pawn).
3. Best move: g3 — pawn g4→g3. Opponent replies g7 (pawn g6→g7).
4. Best move: Kf7 — king e6→f7. Opponent replies c6 (pawn c5→c6).
5. Best move: g2 — pawn g3→g2. Opponent replies g8=Q+ (pawn g7→g8, promotes to queen, gives check).
6. Best move: Kxg8 — king f7→g8, captures queen.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, very long. The key move fxg4 wins material.

Position data

FEN: 8/8/4k1pp/1pP2p1P/1Pp1KPP1/8/8/8 w - - 0 44

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