Chess Puzzle #nnLeg — Advanced, Black to move, middlegame

Position

White: king h1; queen h6; rooks a3/f1; knight g5; pawns b3/c4/d5/e4/g4/h3. Black: king g8; queen g3; rooks b6/c8; knight f6; pawns a6/c5/f7/g6/h7. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rxf6 — rook f1→f6, captures knight. Now Black to move.
2. Best move: Rxf6 — rook b6→f6, captures rook. Opponent replies Qxh7+ (queen h6→h7, captures pawn, gives check).
3. Best move: Kf8 — king g8→f8. Opponent replies Qh8+ (queen h7→h8, gives check).
4. Best move: Ke7 — king f8→e7. Opponent replies Qxf6+ (queen h8→f6, captures rook, gives check).
5. Best move: Kxf6 — king e7→f6, captures queen.

Tactical themes

crushing, middlegame, very long. The key move Rxf6 wins material.

Position data

FEN: 2r3k1/5p1p/pr3npQ/2pP2N1/2P1P1P1/RP4qP/8/5R1K w - - 6 35

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