Chess Puzzle #K70Ek — Intermediate, Black to move, middlegame

Position

White: king g1; queen e4; rooks f1/h3; bishop c1; pawns a3/b4/c4/f2/g2/h2. Black: king h8; queen f6; rooks d8/f8; bishop h6; pawns a7/b6/c7/e6/g7. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Bxh6 — bishop c1→h6, captures bishop. Now Black to move.
2. Best move: Qxf2+ — queen f6→f2, captures pawn, gives check. Opponent replies Rxf2 (rook f1→f2, captures queen).
3. Best move: Rd1+ — rook d8→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: Rexf1# — rook e1→f1, captures rook, delivers checkmate.

Tactical themes

kingside attack, mate, mate in 4, middlegame, sacrifice, very long. The combination ends with Rexf1# delivering checkmate.

Position data

FEN: 3r1r1k/p1p3p1/1p2pq1b/8/1PP1Q3/P6R/5PPP/2B2RK1 w - - 0 24

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