Chess Puzzle #a5bz6 — Advanced, White to move, middlegame

Position

White: king g1; queen g5; rook f3; pawns d3/g2/h2. Black: king g7; queen a4; rooks d4/d8; bishop g6; pawns a7/b6/c6/h7. Black is ahead by 9 points of material. White to move.

Solution (4 moves)

1. Opponent setup: R8d7 — rook d8→d7. Now White to move.
2. Best move: Qf6+ — queen g5→f6, gives check. Opponent replies Kh6 (king g7→h6).
3. Best move: Rh3+ — rook f3→h3, gives check. Opponent replies Rh4 (rook d4→h4).
4. Best move: Rxh4+ — rook h3→h4, captures rook, gives check. Opponent replies Qxh4 (queen a4→h4, captures rook).
5. Best move: Qxh4+ — queen f6→h4, captures queen, gives check.

Tactical themes

endgame, equality, fork, pin, very long. The key move Rxh4+ captures with check, forcing a response.

Position data

FEN: 3r4/p5kp/1pp3b1/6Q1/q2r4/3P1R2/6PP/6K1 b - - 3 32

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