Chess Puzzle #IFHHy — Master, White to move, middlegame

Position

White: king g1; queen h7; rook e2; bishop c2; knight h4; pawns a3/b4/c5/d6/f2/g3/h2. Black: king f8; queen f6; rook a8; bishops a7/b7; knight c6; pawns a4/b5/d5/d7/f4/f7/h6. Black is ahead by 3 points of material. White to move.

Solution (4 moves)

1. Opponent setup: fxg3 — pawn f4→g3, captures pawn. Now White to move.
2. Best move: Ng6+ — knight h4→g6, gives check. Opponent replies fxg6 (pawn f7→g6, captures knight).
3. Best move: fxg3 — pawn f2→g3, captures pawn. Opponent replies Ne5 (knight c6→e5).
4. Best move: Rf2 — rook e2→f2. Opponent replies Qxf2+ (queen f6→f2, captures rook, gives check).
5. Best move: Kxf2 — king g1→f2, captures queen.

Tactical themes

advantage, intermezzo, middlegame, pin, sacrifice, very long. The key move is Ng6+.

Position data

FEN: r4k2/bb1p1p1Q/2nP1q1p/1pPp4/pP3p1N/P5P1/2B1RP1P/6K1 b - - 3 28

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