Chess Puzzle #IWgFj — Advanced, White to move, middlegame

Position

White: king f2; rook a7; knight c5; pawns a4/b3/c2. Black: king f8; rooks g4/h3; pawns a5/d4/g6/h6. Black is ahead by 3 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Rh5 — rook h3→h5. Now White to move.
2. Best move: Nd7+ — knight c5→d7, gives check. Opponent replies Ke7 (king f8→e7).
3. Best move: Ne5+ — knight d7→e5, gives check. Opponent replies Kd6 (king e7→d6).
4. Best move: Nxg4 — knight e5→g4, captures rook.

Tactical themes

advantage, discovered attack, endgame, exposed king, long. The key move is Nd7+.

Position data

FEN: 5k2/R7/6pp/p1N5/P2p2r1/1P5r/2P2K2/8 b - - 3 46

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