Chess Puzzle #A0KTW — Expert, Black to move, endgame

Position

White: king a6; rook b6; pawn b7. Black: king c7; rook c1; pawn g6. Material is balanced. Black to move.

Solution (5 moves)

1. Opponent setup: Rb5 — rook b6→b5. Now Black to move.
2. Best move: Ra1+ — rook c1→a1, gives check. Opponent replies Ra5 (rook b5→a5).
3. Best move: Rxa5+ — rook a1→a5, captures rook, gives check. Opponent replies Kxa5 (king a6→a5, captures rook).
4. Best move: g5 — pawn g6→g5. Opponent replies b8=R (pawn b7→b8, promotes to rook).
5. Best move: Kxb8 — king c7→b8, captures rook. Opponent replies Kb4 (king a5→b4).
6. Best move: g4 — pawn g5→g4.

Tactical themes

crushing, defensive move, endgame, quiet move, rook endgame, very long. The key move Rxa5+ captures with check, forcing a response.

Position data

FEN: 8/1Pk5/KR4p1/8/8/8/8/2r5 w - - 3 57

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