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

Position

White: king g1; queen c6; rook d7; bishop d2; pawns b3/f2/g2/h3. Black: king g8; queen d4; rook e8; bishop b8; pawns b5/d5/f7/g7/h7. Black is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rxd5 — rook d7→d5, captures pawn. Now Black to move.
2. Best move: Qa1+ — queen d4→a1, gives check. Opponent replies Qc1 (queen c6→c1).
3. Best move: Qxc1+ — queen a1→c1, captures queen, gives check. Opponent replies Bxc1 (bishop d2→c1, captures queen).
4. Best move: Re1# — rook e8→e1, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3. The combination ends with Re1# delivering checkmate.

Position data

FEN: 1b2r1k1/3R1ppp/2Q5/1p1p4/3q4/1P5P/3B1PP1/6K1 w - - 0 33

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