Chess Puzzle #FKM9n — Expert, Black to move, endgame

Position

White: king f1; rook a8; pawns a6/f2/g3. Black: king g4; rook a2; pawns e4/f6/g5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: a7 — pawn a6→a7. Now Black to move.
2. Best move: Kf3 — king g4→f3. Opponent replies Kg1 (king f1→g1).
3. Best move: Ra1+ — rook a2→a1, gives check. Opponent replies Kh2 (king g1→h2).
4. Best move: Kxf2 — king f3→f2, captures pawn. Opponent replies Rf8 (rook a8→f8).
5. Best move: Rxa7 — rook a1→a7, captures pawn.

Tactical themes

crushing, deflection, endgame, rook endgame, very long. The key move is Kf3.

Position data

FEN: R7/8/P4p2/6p1/4p1k1/6P1/r4P2/5K2 w - - 4 40

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