Chess Puzzle #AnKlr — Master, Black to move, endgame

Position

White: king a3; rook e7; pawns e5/g2/h3. Black: king b7; rook c7; pawns d5/g6/h7. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Rxc7+ — rook e7→c7, captures rook, gives check. Now Black to move.
2. Best move: Kxc7 — king b7→c7, captures rook. Opponent replies Kb4 (king a3→b4).
3. Best move: Kd7 — king c7→d7. Opponent replies Kc3 (king b4→c3).
4. Best move: Ke6 — king d7→e6. Opponent replies Kd4 (king c3→d4).
5. Best move: g5 — pawn g6→g5.

Tactical themes

crushing, defensive move, endgame, very long, zugzwang. The key move Kxc7 wins material.

Position data

FEN: 8/1kr1R2p/6p1/3pP3/8/K6P/6P1/8 w - - 3 43

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