Chess Puzzle #gEOqB — Expert, Black to move, middlegame

Position

White: king g1; queen d1; rooks a1/e6; bishops c1/c2; knight b1; pawns a2/b2/c3/g2/h3. Black: king g8; queen h4; rooks a8/f8; knights c4/e4; pawns a7/b7/d5/g7/h7. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qe2 — queen d1→e2. Now Black to move.
2. Best move: Ng3 — knight e4→g3. Opponent replies Qd1 (queen e2→d1).
3. Best move: Rf1+ — rook f8→f1, gives check. Opponent replies Qxf1 (queen d1→f1, captures rook).
4. Best move: Nxf1 — knight g3→f1, captures queen.

Tactical themes

advantage, fork, long, middlegame. The key move is Ng3.

Position data

FEN: r4rk1/pp4pp/4R3/3p4/2n1n2q/2P4P/PPB3P1/RNBQ2K1 w - - 3 17

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