Chess Puzzle #4M93Z — Advanced, White to move, endgame

Position

White: king c1; rook e7; pawns a4/b6/c2. Black: king b4; rook h2; pawns d4/e3/g5. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Kxa4 — king b4→a4, captures pawn. Now White to move.
2. Best move: Ra7+ — rook e7→a7, gives check. Opponent replies Kb4 (king a4→b4).
3. Best move: b7 — pawn b6→b7. Opponent replies Rh1+ (rook h2→h1, gives check).
4. Best move: Kb2 — king c1→b2. Opponent replies Rh8 (rook h1→h8).
5. Best move: Ra8 — rook a7→a8.

Tactical themes

advanced pawn, crushing, endgame, rook endgame, very long. The key move is Ra7+.

Position data

FEN: 8/4R3/1P6/6p1/Pk1p4/4p3/2P4r/2K5 b - - 0 36

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