Chess Puzzle #4lV6V — Advanced, Black to move, middlegame

Position

White: king h1; queen a8; rooks f3/g1; pawns a2/g2/h2. Black: king h7; queen f2; rooks d1/e7; bishop f6; pawns a6/b5/g7/h6. Black is ahead by 4 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rxf2 — rook f3→f2, captures queen. Now Black to move.
2. Best move: Rxg1+ — rook d1→g1, captures rook, gives check. Opponent replies Kxg1 (king h1→g1, captures rook).
3. Best move: Re1+ — rook e7→e1, gives check. Opponent replies Rf1 (rook f2→f1).
4. Best move: Bd4+ — bishop f6→d4, gives check. Opponent replies Kh1 (king g1→h1).
5. Best move: Rxf1# — rook e1→f1, captures rook, delivers checkmate.

Tactical themes

attraction, back rank mate, deflection, endgame, mate, mate in 4, very long. The combination ends with Rxf1# delivering checkmate.

Position data

FEN: Q7/4r1pk/p4b1p/1p6/8/5R2/P4qPP/3r2RK w - - 6 30

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