Chess Puzzle #0S0As — Intermediate, White to move, endgame

Position

White: king g4; rook c7; pawn a7. Black: king c4; rook h8; pawn b4. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: Kb5 — king c4→b5. Now White to move.
2. Best move: Rb7+ — rook c7→b7, gives check. Opponent replies Ka6 (king b5→a6).
3. Best move: Rb8 — rook b7→b8. Opponent replies Kxa7 (king a6→a7, captures pawn).
4. Best move: Rxh8 — rook b8→h8, captures rook.

Tactical themes

crushing, endgame, long, rook endgame. The key move is Rb7+.

Position data

FEN: 7r/P1R5/8/8/1pk3K1/8/8/8 b - - 4 67

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