Chess Puzzle #F3TUo — Advanced, Black to move, middlegame

Position

White: king h1; queen e4; rooks c1/f1; pawns a2/b3/f2/f3/h2. Black: king e7; queen d4; rooks d5/g8; pawns a7/c5/e6/f6/f7. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Rc4 — rook c1→c4. Now Black to move.
2. Best move: Qxf2 — queen d4→f2, captures pawn. Opponent replies Rxf2 (rook f1→f2, captures queen).
3. Best move: Rd1+ — rook d5→d1, gives check. Opponent replies Qe1 (queen e4→e1).
4. Best move: Rxe1+ — rook d1→e1, captures queen, gives check. Opponent replies Rf1 (rook f2→f1).
5. Best move: Rxf1# — rook e1→f1, captures rook, delivers checkmate.

Tactical themes

clearance, endgame, mate, mate in 4, sacrifice, very long. The combination ends with Rxf1# delivering checkmate.

Position data

FEN: 6r1/p3kp2/4pp2/2pr4/3qQ3/1P3P2/P4P1P/2R2R1K w - - 1 21

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