Chess Puzzle #ns76Q — Expert, White to move, endgame

Position

White: king f1; rook b6; pawns a4/f3/h4. Black: king f5; rook d5; pawns f4/g7/h6. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Ra5 — rook d5→a5. Now White to move.
2. Best move: Rb5+ — rook b6→b5, gives check. Opponent replies Rxb5 (rook a5→b5, captures rook).
3. Best move: axb5 — pawn a4→b5, captures rook. Opponent replies Ke5 (king f5→e5).
4. Best move: Ke2 — king f1→e2. Opponent replies Kd6 (king e5→d6).
5. Best move: Kd3 — king e2→d3.

Tactical themes

crushing, defensive move, endgame, rook endgame, very long. The key move is Rb5+.

Position data

FEN: 8/6p1/1R5p/3r1k2/P4p1P/5P2/8/5K2 b - - 1 52

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