Chess Puzzle #XnP9g — Expert, Black to move, middlegame

Position

White: king g1; queen e2; rooks e1/f8; knight b3; pawns a2/b2/c4/d4/f2/g2/h2. Black: king h7; queen g6; rook a8; bishop c8; knight f6; pawns a7/b6/c6/g7/h6. White is ahead by 4 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qe7 — queen e2→e7. Now Black to move.
2. Best move: Bh3 — bishop c8→h3. Opponent replies g3 (pawn g2→g3).
3. Best move: Rxf8 — rook a8→f8, captures rook. Opponent replies Qxf8 (queen e7→f8, captures rook).
4. Best move: Qd3 — queen g6→d3. Opponent replies Nd2 (knight b3→d2).
5. Best move: Qxd2 — queen d3→d2, captures knight.

Tactical themes

advantage, discovered attack, middlegame, pin, very long. The key move is Bh3.

Position data

FEN: r1b2R2/p5pk/1pp2nqp/8/2PP4/1N6/PP2QPPP/4R1K1 w - - 5 23

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