Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Gellers_System
Moves: 1. d4 g6 2. e4 Bg7 3. c3 d6 4. Nf3 a6 5. Be2 b5 6. b4 Bb7 7. Nbd2 Nf6 8. a4
bxa4 9. Qxa4+ Nbd7 10. e5 dxe5 11. Nxe5 O-O 12. O-O Nxe5 13. dxe5 Nd7 14. Bg4
Nxe5 15. Bh3 Nd3 16. Nb3 Nf4 *
Position (FEN): r2q1rk1/1bp1ppbp/p5p1/8/QP3n2/1NP4B/5PPP/R1B2RK1 w - - 4 17
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1257
Best move: Bxf4