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

Position

White: king g2; queen e2; rooks a1/f1; bishops c1/c2; knight f3; pawns a2/b2/c3/e4/f2/h3. Black: king h8; queen h5; rooks a8/f6; knights c6/h6; pawns a7/b7/c5/c7/e5/g7/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nd4 — knight f3→d4. Now Black to move.
2. Best move: Rg6+ — rook f6→g6, gives check. Opponent replies Kh2 (king g2→h2).
3. Best move: Ng4+ — knight h6→g4, gives check. Opponent replies Qxg4 (queen e2→g4, captures knight).
4. Best move: Rxg4 — rook g6→g4, captures queen.

Tactical themes

advantage, long, middlegame, pin. The key move is Rg6+.

Position data

FEN: r6k/ppp3pp/2n2r1n/2p1p2q/4P3/2P2N1P/PPB1QPK1/R1B2R2 w - - 3 18

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