Chess Puzzle #FX7S7 — Advanced, Black to move, middlegame

Position

White: king g1; queen e1; rooks c1/f1; bishop e2; knights e4/f3; pawns a2/b2/c2/d3. Black: king e8; queen h3; rooks a8/h8; knights b8/g4; pawns a7/b7/c7/e6/f7/g7/h4. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Nf2 — knight e4→f2. Now Black to move.
2. Best move: Qg3+ — queen h3→g3, gives check. Opponent replies Kh1 (king g1→h1).
3. Best move: h3 — pawn h4→h3. Opponent replies Rg1 (rook f1→g1).
4. Best move: Nxf2+ — knight g4→f2, captures knight, gives check. Opponent replies Qxf2 (queen e1→f2, captures knight).
5. Best move: Qxf2 — queen g3→f2, captures queen.

Tactical themes

crushing, exposed king, kingside attack, opening, very long. The key move Nxf2+ captures with check, forcing a response.

Position data

FEN: rn2k2r/ppp2pp1/4p3/8/4N1np/3P1N1q/PPP1B3/2R1QRK1 w kq - 0 18

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