Chess Puzzle #Qbzd2 — Master, Black to move, middlegame

Position

White: king g1; queen h5; rooks a1/f1; bishops d2/h7; knight g5; pawns a3/b2/c3/d4/g2/h2. Black: king h8; queen b6; rooks a8/f8; bishop b7; knights e5/f6; pawns a6/b5/c4/d5/f7/g7. Material is balanced. Black to move.

Solution (5 moves)

1. Opponent setup: Nxf7+ — knight g5→f7, captures pawn, gives check. Now Black to move.
2. Best move: Nxf7 — knight e5→f7, captures knight. Opponent replies Rxf6 (rook f1→f6, captures knight).
3. Best move: Qxf6 — queen b6→f6, captures rook. Opponent replies Rf1 (rook a1→f1).
4. Best move: Qxf1+ — queen f6→f1, captures rook, gives check. Opponent replies Kxf1 (king g1→f1, captures queen).
5. Best move: Nh6+ — knight f7→h6, gives check. Opponent replies Kg1 (king f1→g1).
6. Best move: Kxh7 — king h8→h7, captures bishop.

Tactical themes

advantage, discovered attack, discovered check, interference, middlegame, very long. The key move Qxf1+ captures with check, forcing a response.

Position data

FEN: r4r1k/1b3ppB/pq3n2/1p1pn1NQ/2pP4/P1P5/1P1B2PP/R4RK1 w - - 3 20

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