Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Maroczy_Variation
Moves: 1. e4 Nf6 2. d3 Nc6 3. Be3 e5 4. Qc1 d6 5. b3 Be6 6. Qb2 Qd7 7. Be2 O-O-O 8.
Nf3 Ng4 9. O-O h5 10. Nfd2 g6 11. Qa3 h4 12. Bxa7 h3 13. Bxg4 Bxg4 14. g3 Be2
15. Re1 d5 16. Bc5 Bxc5 17. Qxc5 Bg4 18. f3 Bxf3 *
Position (FEN): 2kr3r/1ppq1p2/2n3p1/2Qpp3/4P3/1P1P1bPp/P1PN3P/RN2R1K1 w - - 0 19
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1005
Best move: Nxf3