Chess Puzzle #oztQh — Advanced, White to move, endgame

Position

White: king f5; rook e6; pawns a6/b6. Black: king d7; rook b8; pawns e3/g5/h4. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: h3 — pawn h4→h3. Now White to move.
2. Best move: a7 — pawn a6→a7. Opponent replies Rf8+ (rook b8→f8, gives check).
3. Best move: Rf6 — rook e6→f6. Opponent replies e2 (pawn e3→e2).
4. Best move: Rxf8 — rook f6→f8, captures rook. Opponent replies e1=Q (pawn e2→e1, promotes to queen).
5. Best move: a8=Q — pawn a7→a8, promotes to queen.

Tactical themes

advanced pawn, crushing, defensive move, endgame, promotion, rook endgame, very long. The key move is a7.

Position data

FEN: 1r6/3k4/PP2R3/5Kp1/7p/4p3/8/8 b - - 0 44

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