Chess Puzzle #EiucJ — Advanced, White to move, middlegame

Position

White: king g1; queen a4; rook b1; bishop a7; knight g4; pawns a3/d4/e5/g2/g3. Black: king b8; queen b7; rooks g8/h8; bishops d2/d7; pawns d5/e6/f7. Black is ahead by 3 points of material. White to move.

Solution (2 moves)

1. Opponent setup: Kc8 — king b8→c8. Now White to move.
2. Best move: Qc2+ — queen a4→c2, gives check. Opponent replies Bc6 (bishop d7→c6).
3. Best move: Rxb7 — rook b1→b7, captures queen.

Tactical themes

advantage, fork, middlegame, pin, short. The key move is Qc2+.

Position data

FEN: 1k4rr/Bq1b1p2/4p3/3pP3/Q2P2N1/P5P1/3b2P1/1R4K1 b - - 4 34

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