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

Position

White: king h1; queen h6; rooks d1/e1; pawns a2/b3/c2/f4/g2/h2. Black: king g8; queen b5; rooks b8/e8; bishop e6; pawns a7/c4/c6/f6/f7. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Qf5 — queen b5→f5. Now White to move.
2. Best move: Re3 — rook e1→e3. Opponent replies Qg6 (queen f5→g6).
3. Best move: Rg3 — rook e3→g3. Opponent replies Bg4 (bishop e6→g4).
4. Best move: Qxg6+ — queen h6→g6, captures queen, gives check. Opponent replies fxg6 (pawn f7→g6, captures queen).
5. Best move: Rxg4 — rook g3→g4, captures bishop.

Tactical themes

equality, middlegame, pin, very long. The key move Qxg6+ captures with check, forcing a response.

Position data

FEN: 1r2r1k1/p4p2/2p1bp1Q/1q6/2p2P2/1P6/P1P3PP/3RR2K b - - 0 23

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