Chess Puzzle #JPXz4 — Advanced, Black to move, middlegame

Position

White: king g1; queen b3; rook e1; bishop g5; knight g3; pawns a2/b2/c3/d4/f2/g2/h2. Black: king h8; queen d6; rook a8; bishop c7; knight e4; pawns a7/b7/c6/f5/f7/g6/h7. Material is balanced. Black to move.

Solution (2 moves)

1. Opponent setup: Qxb7 — queen b3→b7, captures pawn. Now Black to move.
2. Best move: Rb8 — rook a8→b8. Opponent replies Qxa7 (queen b7→a7, captures pawn).
3. Best move: Nxg5 — knight e4→g5, captures bishop.

Tactical themes

advantage, middlegame, short. The key move is Rb8.

Position data

FEN: r6k/ppb2p1p/2pq2p1/5pB1/3Pn3/1QP3N1/PP3PPP/4R1K1 w - - 1 22

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