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

Position

White: king h1; queen h3; rooks a1/f1; knight g3; pawns a2/b2/c2/d3. Black: king d7; queen d5; knights f3/g4; pawns a7/b7/d6/e6/g7/h7. White is ahead by 5 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rxf3 — rook f1→f3, captures knight. Now Black to move.
2. Best move: Nf2+ — knight g4→f2, gives check. Opponent replies Kh2 (king h1→h2).
3. Best move: Nxh3 — knight f2→h3, captures queen. Opponent replies Rf7+ (rook f3→f7, gives check).
4. Best move: Ke8 — king d7→e8. Opponent replies Raf1 (rook a1→f1).
5. Best move: Ng5 — knight h3→g5.

Tactical themes

advantage, endgame, pin, very long. The key move is Nf2+.

Position data

FEN: 8/pp1k2pp/3pp3/3q4/6n1/3P1nNQ/PPP5/R4R1K w - - 0 26

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