Chess Puzzle #WYy46 — Advanced, Black to move, endgame

Position

White: king a4; rook g4; pawns a3/g5. Black: king a7; rook b2; pawn b7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: g6 — pawn g5→g6. Now Black to move.
2. Best move: Ka6 — king a7→a6. Opponent replies Rg5 (rook g4→g5).
3. Best move: b5+ — pawn b7→b5, gives check. Opponent replies Rxb5 (rook g5→b5, captures pawn).
4. Best move: Rxb5 — rook b2→b5, captures rook.

Tactical themes

crushing, endgame, long, rook endgame. The key move is Ka6.

Position data

FEN: 8/kp6/8/6P1/K5R1/P7/1r6/8 w - - 3 55

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