Chess Puzzle #0GjqC — Advanced, Black to move, middlegame

Position

White: king h2; queen d1; rooks a1/e1; knights d2/f8; pawns a2/b2/c4/d4/g3. Black: king g8; queen d6; rook a8; bishop h3; knights d7/f6; pawns a7/b6/c7/e6/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nxd7 — knight f8→d7, captures knight. Now Black to move.
2. Best move: Ng4+ — knight f6→g4, gives check. Opponent replies Kxh3 (king h2→h3, captures bishop).
3. Best move: Nf2+ — knight g4→f2, gives check. Opponent replies Kg2 (king h3→g2).
4. Best move: Nxd1 — knight f2→d1, captures queen.

Tactical themes

advantage, fork, long, middlegame, sacrifice. The key move is Ng4+.

Position data

FEN: r4Nk1/p1pn2p1/1p1qpn1p/8/2PP4/6Pb/PP1N3K/R2QR3 w - - 0 19

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