Chess Puzzle #C7HNb — Advanced, Black to move, endgame

Position

White: king f6; rook g6; knight h6; pawn e4. Black: king b8; rook b3; bishop h3; pawn a5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: e5 — pawn e4→e5. Now Black to move.
2. Best move: Rb6+ — rook b3→b6, gives check. Opponent replies Kg7 (king f6→g7).
3. Best move: Rxg6+ — rook b6→g6, captures rook, gives check. Opponent replies Kxg6 (king g7→g6, captures rook).
4. Best move: a4 — pawn a5→a4. Opponent replies Nf5 (knight h6→f5).
5. Best move: a3 — pawn a4→a3.

Tactical themes

crushing, endgame, quiet move, very long. The key move Rxg6+ captures with check, forcing a response.

Position data

FEN: 1k6/8/5KRN/p7/4P3/1r5b/8/8 w - - 0 51

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