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

Position

White: king c1; queen e4; rook d1; knight b1; pawns a2/b3/c4/g2/h2. Black: king f7; queen a1; rook h8; knight b6; pawns a7/b7/c7/f6/h7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Kd2 — king c1→d2. Now Black to move.
2. Best move: Qb2+ — queen a1→b2, gives check. Opponent replies Ke1 (king d2→e1).
3. Best move: Re8 — rook h8→e8. Opponent replies Qxe8+ (queen e4→e8, captures rook, gives check).
4. Best move: Kxe8 — king f7→e8, captures queen.

Tactical themes

crushing, endgame, long, pin. The key move is Qb2+.

Position data

FEN: 7r/ppp2k1p/1n3p2/8/2P1Q3/1P6/P5PP/qNKR4 w - - 2 23

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