Chess Puzzle #Mg7Dh — Advanced, Black to move, middlegame

Position

White: king g1; queen a7; rook a1; bishops d5/h6; pawns a4/b2/d3/e6/g2/h3. Black: king e8; queen f2; rook f8; bishop d6; knight e5; pawns c5/g6/h7. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kh1 — king g1→h1. Now Black to move.
2. Best move: Qf1+ — queen f2→f1, gives check. Opponent replies Rxf1 (rook a1→f1, captures queen).
3. Best move: Rxf1+ — rook f8→f1, captures rook, gives check. Opponent replies Kh2 (king h1→h2).
4. Best move: Ng4# — knight e5→g4, delivers checkmate.

Tactical themes

double check, long, mate, mate in 3, middlegame, sacrifice. The combination ends with Ng4# delivering checkmate.

Position data

FEN: 4kr2/Q6p/3bP1pB/2pBn3/P7/3P3P/1P3qP1/R5K1 w - - 3 28

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