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

Position

White: king b1; queen g7; rook c1; bishops f4/g2; knight h7; pawns b2/d3/f3/g4/h4. Black: king b8; queen a4; rook f8; bishops a3/e6; knight c6; pawns a7/b7/c7/f7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nxf8 — knight h7→f8, captures rook. Now Black to move.
2. Best move: Ba2+ — bishop e6→a2, gives check. Opponent replies Kxa2 (king b1→a2, captures bishop).
3. Best move: Bxf8+ — bishop a3→f8, captures knight, gives check. Opponent replies Kb1 (king a2→b1).
4. Best move: Bxg7 — bishop f8→g7, captures queen.

Tactical themes

crushing, discovered attack, intermezzo, long, middlegame. The key move Bxf8+ captures with check, forcing a response.

Position data

FEN: 1k3r2/ppp2pQN/2n1b3/8/q4BPP/b2P1P2/1P4B1/1KR5 w - - 0 28

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