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

Position

White: king e1; queen h7; rooks b1/h1; bishop f1; knight d4; pawns a2/c2/e3/f4/g2/h2. Black: king e7; queen b4; rook a8; bishop c8; knight d7; pawns b7/c6/e6/f5/f7. White is ahead by 6 points of material. Black to move.

Solution (2 moves)

1. Opponent setup: Kf2 — king e1→f2. Now Black to move.
2. Best move: Qxb1 — queen b4→b1, captures rook. Opponent replies Bc4 (bishop f1→c4).
3. Best move: Qxh1 — queen b1→h1, captures rook.

Tactical themes

equality, hanging piece, middlegame, short. The key move Qxb1 wins material.

Position data

FEN: r1b5/1p1nkp1Q/2p1p3/5p2/1q1N1P2/4P3/P1P3PP/1R2KB1R w K - 1 19

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