Chess Puzzle #HGlhA — Intermediate, White to move, endgame

Position

White: king g1; rook a7; pawns d6/e6/f3. Black: king f8; rook b8; knight g8; pawns b3/f5. Black is ahead by 2 points of material. White to move.

Solution (5 moves)

1. Opponent setup: b2 — pawn b3→b2. Now White to move.
2. Best move: Rf7+ — rook a7→f7, gives check. Opponent replies Ke8 (king f8→e8).
3. Best move: d7+ — pawn d6→d7, gives check. Opponent replies Kd8 (king e8→d8).
4. Best move: Rf8+ — rook f7→f8, gives check. Opponent replies Kc7 (king d8→c7).
5. Best move: Rxb8 — rook f8→b8, captures rook. Opponent replies Kxb8 (king c7→b8, captures rook).
6. Best move: d8=Q+ — pawn d7→d8, promotes to queen, gives check.

Tactical themes

advanced pawn, attraction, crushing, endgame, exposed king, fork, promotion, very long. The key move is Rf7+.

Position data

FEN: 1r3kn1/R7/3PP3/5p2/8/1p3P2/8/6K1 b - - 0 43

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