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

Position

White: king a6; rook g7; pawns a7/d4. Black: king d6; rook c8; knight a8; pawns d5/e6/f5. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Rc7 — rook c8→c7. Now White to move.
2. Best move: Rg8 — rook g7→g8. Opponent replies Rc6+ (rook c7→c6, gives check).
3. Best move: Kb7 — king a6→b7. Opponent replies Rb6+ (rook c6→b6, gives check).
4. Best move: Kxa8 — king b7→a8, captures knight.

Tactical themes

defensive move, endgame, equality, long. The key move is Rg8.

Position data

FEN: n1r5/P5R1/K2kp3/3p1p2/3P4/8/8/8 b - - 2 48

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