Chess puzzle (Advantage)
Opening: Neo-Grunfeld_Defense, Neo-Grunfeld_Defense_Non-_or_Delayed_Fianchetto
Moves: 1. d4 Nf6 2. c4 g6 3. Nf3 d5 4. cxd5 Nxd5 5. e4 Nf6 6. Nc3 Bg7 7. Bc4 O-O 8.
O-O c5 9. d5 Nfd7 10. Bf4 e5 11. dxe6 fxe6 12. Bxe6+ Kh8 13. Bd6 Rf6 14. Bxd7
Qxd7 15. Bxc5 Na6 16. Qxd7 Bxd7 17. e5 *
Position (FEN): r6k/pp1b2bp/n4rp1/2B1P3/8/2N2N2/PP3PPP/R4RK1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1321
Best move: Rxf3