Chess Puzzle #XNfIT — Master, White to move, endgame

Position

White: king g7; pawns a2/b2/c3/e4/f3/f5. Black: king d6; rook e8; pawns a6/b5/c4. Black is ahead by 2 points of material. White to move.

Solution (5 moves)

1. Opponent setup: Ke5 — king d6→e5. Now White to move.
2. Best move: f6 — pawn f5→f6. Opponent replies Ke6 (king e5→e6).
3. Best move: f4 — pawn f3→f4. Opponent replies Rd8 (rook e8→d8).
4. Best move: f7 — pawn f6→f7. Opponent replies Rd7 (rook d8→d7).
5. Best move: f5+ — pawn f4→f5, gives check. Opponent replies Ke5 (king e6→e5).
6. Best move: Kg8 — king g7→g8.

Tactical themes

advanced pawn, crushing, defensive move, endgame, quiet move, rook endgame, very long. The key move is f6.

Position data

FEN: 4r3/6K1/p2k4/1p3P2/2p1P3/2P2P2/PP6/8 b - - 8 42

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