Chess Puzzle #8DmEr — Expert, Black to move, middlegame

Position

White: king h2; queen g3; rook b7; bishop b3; pawns c2/c3/e4/f2/g2/h3. Black: king g8; queen a1; rook a8; bishop c6; pawns a7/e5/e6/f7/g7/h6. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Re7 — rook b7→e7. Now Black to move.
2. Best move: Qa3 — queen a1→a3. Opponent replies Rc7 (rook e7→c7).
3. Best move: Qd6 — queen a3→d6. Opponent replies Rxc6 (rook c7→c6, captures bishop).
4. Best move: Qxc6 — queen d6→c6, captures rook.

Tactical themes

advantage, endgame, long, trapped piece. The key move is Qa3.

Position data

FEN: r5k1/pR3pp1/2b1p2p/4p3/4P3/1BP3QP/2P2PPK/q7 w - - 1 28

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