Chess Puzzle #Ex7Aw — Master, White to move, endgame

Position

White: king b6; rook b5; pawn a6. Black: king f6; rook a4; pawns g5/g7. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Kg6 — king f6→g6. Now White to move.
2. Best move: a7 — pawn a6→a7. Opponent replies g4 (pawn g5→g4).
3. Best move: Ra5 — rook b5→a5. Opponent replies Rxa5 (rook a4→a5, captures rook).
4. Best move: Kxa5 — king b6→a5, captures rook.

Tactical themes

advanced pawn, crushing, endgame, long, rook endgame. The key move is a7.

Position data

FEN: 8/6p1/PK3k2/1R4p1/r7/8/8/8 b - - 0 58

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