Chess Puzzle #CZQhs — Advanced, White to move, endgame

Position

White: king a1; rook h6; pawns a3/b2. Black: king f5; rook g3; pawns a6/b5. Material is balanced. White to move.

Solution (5 moves)

1. Opponent setup: Rg6 — rook g3→g6. Now White to move.
2. Best move: Rxg6 — rook h6→g6, captures rook. Opponent replies Kxg6 (king f5→g6, captures rook).
3. Best move: Ka2 — king a1→a2. Opponent replies Kf7 (king g6→f7).
4. Best move: Kb3 — king a2→b3. Opponent replies Ke6 (king f7→e6).
5. Best move: Kb4 — king b3→b4. Opponent replies Kd5 (king e6→d5).
6. Best move: Ka5 — king b4→a5.

Tactical themes

crushing, endgame, rook endgame, very long. The key move Rxg6 wins material.

Position data

FEN: 8/8/p6R/1p3k2/8/P5r1/1P6/K7 b - - 2 44

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