Chess Puzzle #Hj4lB — Advanced, Black to move, middlegame

Position

White: king g1; queen e2; rooks a1/f4; bishop d3; pawns b6/c7/d5/e4/g2. Black: king c8; queen h6; rook g3; bishop b7; knight g5; pawn d6. White is ahead by 6 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Raf1 — rook a1→f1. Now Black to move.
2. Best move: Nh3+ — knight g5→h3, gives check. Opponent replies Kh2 (king g1→h2).
3. Best move: Nxf4+ — knight h3→f4, captures rook, gives check. Opponent replies Kxg3 (king h2→g3, captures rook).
4. Best move: Nxe2+ — knight f4→e2, captures queen, gives check.

Tactical themes

discovered attack, discovered check, equality, long, middlegame, pin. The key move Nxf4+ captures with check, forcing a response.

Position data

FEN: 2k5/1bP5/1P1p3q/3P2n1/4PR2/3B2r1/4Q1P1/R5K1 w - - 1 37

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