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

Position

White: king c2; queen a3; pawns c3/f6/h4. Black: king g8; rooks a7/d1; pawns a4/f7/g6/h5. Black is ahead by 2 points of material. White to move.

Solution (5 moves)

1. Opponent setup: Rh1 — rook d1→h1. Now White to move.
2. Best move: Qd6 — queen a3→d6. Opponent replies Ra8 (rook a7→a8).
3. Best move: Qd2 — queen d6→d2. Opponent replies Ra6 (rook a8→a6).
4. Best move: Qd8+ — queen d2→d8, gives check. Opponent replies Kh7 (king g8→h7).
5. Best move: Qe7 — queen d8→e7. Opponent replies Rxh4 (rook h1→h4, captures pawn).
6. Best move: Qxf7+ — queen e7→f7, captures pawn, gives check.

Tactical themes

advantage, endgame, queen rook endgame, quiet move, very long. The key move Qxf7+ captures with check, forcing a response.

Position data

FEN: 6k1/r4p2/5Pp1/7p/p6P/Q1P5/2K5/3r4 b - - 6 69

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