Chess Puzzle #ruN3d — Advanced, Black to move, middlegame

Position

White: king g1; queen h4; rook a1; bishop f4; knight a3; pawns a2/b2/c3/d4/g2/h2. Black: king b8; queen e2; rooks a8/e8; pawns a7/b6/c7/f6/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qg3 — queen h4→g3. Now Black to move.
2. Best move: Qxb2 — queen e2→b2, captures pawn. Opponent replies Rf1 (rook a1→f1).
3. Best move: Qxa3 — queen b2→a3, captures knight. Opponent replies Bxc7+ (bishop f4→c7, captures pawn, gives check).
4. Best move: Kb7 — king b8→b7.

Tactical themes

equality, fork, long, middlegame. The key move Qxb2 wins material.

Position data

FEN: rk2r3/p1p4p/1p3p2/8/3P1B1Q/N1P5/PP2q1PP/R5K1 w - - 5 20

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