Chess Puzzle #ATRlO — Intermediate, Black to move, endgame

Position

White: king g4; rook g6; pawn g3. Black: king e3; rook a5; pawns a6/g5. Black is ahead by 1 point of material. Black to move.

Solution (6 moves)

1. Opponent setup: Rxg5 — rook g6→g5, captures pawn. Now Black to move.
2. Best move: Rxg5+ — rook a5→g5, captures rook, gives check. Opponent replies Kxg5 (king g4→g5, captures rook).
3. Best move: a5 — pawn a6→a5. Opponent replies g4 (pawn g3→g4).
4. Best move: a4 — pawn a5→a4. Opponent replies Kh6 (king g5→h6).
5. Best move: a3 — pawn a4→a3. Opponent replies g5 (pawn g4→g5).
6. Best move: a2 — pawn a3→a2. Opponent replies g6 (pawn g5→g6).
7. Best move: a1=Q — pawn a2→a1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, quiet move, rook endgame, very long. The key move Rxg5+ captures with check, forcing a response.

Position data

FEN: 8/8/p5R1/r5p1/6K1/4k1P1/8/8 w - - 6 48

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