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

Position

White: king h2; queen f7; rook c7; bishop a5; knight h3; pawns a3/g2. Black: king h8; queen e1; rook e8; bishop e5; pawns d3/e4/g6/h5. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nf4 — knight h3→f4. Now Black to move.
2. Best move: Qh4+ — queen e1→h4, gives check. Opponent replies Kg1 (king h2→g1).
3. Best move: Bd4+ — bishop e5→d4, gives check. Opponent replies Kf1 (king g1→f1).
4. Best move: Qh1# — queen h4→h1, delivers checkmate.

Tactical themes

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

Position data

FEN: 4r2k/2R2Q2/6p1/B3b2p/4p3/P2p3N/6PK/4q3 w - - 6 49

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