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

Position

White: king g1; queen g4; rooks a1/f1; bishop c7; pawns a2/b2/c2/e4/g2. Black: king e8; queen h7; rooks d3/h8; bishop e7; pawns a7/b7/f7/g7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: cxd3 — pawn c2→d3, captures rook. Now Black to move.
2. Best move: Bc5+ — bishop e7→c5, gives check. Opponent replies d4 (pawn d3→d4).
3. Best move: Bxd4+ — bishop c5→d4, captures pawn, gives check. Opponent replies Rf2 (rook f1→f2).
4. Best move: Qh1# — queen h7→h1, delivers checkmate.

Tactical themes

long, mate, mate in 3, middlegame, pin. The combination ends with Qh1# delivering checkmate.

Position data

FEN: 4k2r/ppB1bppq/8/8/4P1Q1/3r4/PPP3P1/R4RK1 w k - 0 22

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