Chess Puzzle #S75LM — Advanced, Black to move, endgame

Position

White: king f1; rook g8; pawn h3. Black: king f3; rook h2; pawns a6/g5. Black is ahead by 1 point of material. Black to move.

Solution (6 moves)

1. Opponent setup: Rxg5 — rook g8→g5, captures pawn. Now Black to move.
2. Best move: Rh1+ — rook h2→h1, gives check. Opponent replies Rg1 (rook g5→g1).
3. Best move: Rxg1+ — rook h1→g1, captures rook, gives check. Opponent replies Kxg1 (king f1→g1, captures rook).
4. Best move: a5 — pawn a6→a5. Opponent replies Kf1 (king g1→f1).
5. Best move: a4 — pawn a5→a4. Opponent replies Ke1 (king f1→e1).
6. Best move: a3 — pawn a4→a3. Opponent replies Kd2 (king e1→d2).
7. Best move: a2 — pawn a3→a2.

Tactical themes

advanced pawn, crushing, endgame, exposed king, quiet move, rook endgame, very long. The key move Rxg1+ captures with check, forcing a response.

Position data

FEN: 6R1/8/p7/6p1/8/5k1P/7r/5K2 w - - 11 49

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