Chess Puzzle #LGUUB — Expert, White to move, middlegame

Position

White: king g1; queen f3; rook e1; bishop h4; knight f6; pawns b5/c3/f2/g4/h3. Black: king c8; queen e6; rook g8; bishops b6/e8; pawns b7/c4/c7/d3/e5/h7. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Rf8 — rook g8→f8. Now White to move.
2. Best move: Ra1 — rook e1→a1. Opponent replies Kb8 (king c8→b8).
3. Best move: Nd7+ — knight f6→d7, gives check. Opponent replies Qxd7 (queen e6→d7, captures knight).
4. Best move: Qxf8 — queen f3→f8, captures rook.

Tactical themes

discovered attack, equality, long, middlegame, quiet move. The key move is Ra1.

Position data

FEN: 2k1b1r1/1pp4p/1b2qN2/1P2p3/2p3PB/2Pp1Q1P/5P2/4R1K1 b - - 9 30

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