Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Gellers_System
Moves: 1. e4 g6 2. d4 Bg7 3. c3 d6 4. Nf3 Bg4 5. Be2 Nc6 6. h3 Bxf3 7. Bxf3 Rb8 8. Be3
e5 9. d5 Nce7 10. O-O Nf6 11. Nd2 O-O 12. g3 Qc8 13. Bg2 Nh5 14. Qf3 f5 15. Nc4
f4 16. g4 *
Position (FEN): 1rq2rk1/ppp1n1bp/3p2p1/3Pp2n/2N1PpP1/2P1BQ1P/PP3PB1/R4RK1 b - - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1312
Best move: fxe3