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

Position

White: king c2; queen g8; rooks f8/g3; pawns a2/c3/d3/h6. Black: king c6; queen b1; rook b8; pawns a7/c5/d6/e5/h7. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kd2 — king c2→d2. Now Black to move.
2. Best move: Rb2+ — rook b8→b2, gives check. Opponent replies Ke3 (king d2→e3).
3. Best move: Qe1+ — queen b1→e1, gives check. Opponent replies Kf3 (king e3→f3).
4. Best move: Qe2# — queen e1→e2, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3. The combination ends with Qe2# delivering checkmate.

Position data

FEN: 1r3RQ1/p6p/2kp3P/2p1p3/8/2PP2R1/P1K5/1q6 w - - 5 47

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