Chess Puzzle #N0SbA — Expert, Black to move, middlegame

Position

White: king g1; queen b6; rook b3; bishop g2; knight f3; pawns e3/f2/g3/h2. Black: king g8; queen a4; rook a5; bishop f6; pawns c4/f7/g7/h6. White is ahead by 3 points of material. Black to move.

Solution (2 moves)

1. Opponent setup: Rb4 — rook b3→b4. Now Black to move.
2. Best move: Qd1+ — queen a4→d1, gives check. Opponent replies Bf1 (bishop g2→f1).
3. Best move: Ra1 — rook a5→a1.

Tactical themes

clearance, defensive move, equality, middlegame, pin, short. The key move is Qd1+.

Position data

FEN: 6k1/5pp1/1Q3b1p/r7/q1p5/1R2PNP1/5PBP/6K1 w - - 0 33

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