Chess Puzzle #NDgat — Expert, White to move, endgame

Position

White: king g2; rook g7; pawns f2/f5. Black: king h5; rook b3; pawns a3/b5/h6. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: b4 — pawn b5→b4. Now White to move.
2. Best move: f6 — pawn f5→f6. Opponent replies a2 (pawn a3→a2).
3. Best move: f7 — pawn f6→f7. Opponent replies Rf3 (rook b3→f3).
4. Best move: Kxf3 — king g2→f3, captures rook. Opponent replies a1=Q (pawn a2→a1, promotes to queen).
5. Best move: f8=Q — pawn f7→f8, promotes to queen.

Tactical themes

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

Position data

FEN: 8/6R1/7p/1p3P1k/8/pr6/5PK1/8 b - - 0 41

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