Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Slav_Gambit
Moves: 1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e4 b5 5. a4 a6 6. axb5 cxb5 7. Nxb5 Bb7 8. Nc3
Nc6 9. Bxc4 Nf6 10. Nf3 g6 11. O-O Bg7 12. Qd3 O-O 13. Bxa6 Nb4 14. Qb5 Bxa6
15. Qxb4 Bxf1 16. Rxa8 Qxa8 17. Kxf1 Qa1 18. Ne2 Nxe4 19. Qxe7 Bxd4 *
Position (FEN): 5rk1/4Qp1p/6p1/8/3bn3/5N2/1P2NPPP/q1B2K2 w - - 0 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1522
Best move: Nfxd4