Chess puzzle (Advantage)
Opening: Grunfeld_Defense, Grunfeld_Defense_Three_Knights_Variation
Moves: 1. d4 Nf6 2. Nf3 g6 3. c4 d5 4. Nc3 Bg7 5. Ne5 c6 6. f3 O-O 7. Bg5 Nfd7 8. Nxd7
Qxd7 9. e3 e5 10. Qc2 exd4 11. exd4 Re8+ 12. Ne2 Bxd4 13. O-O-O Qf5 *
Position (FEN): rnb1r1k1/pp3p1p/2p3p1/3p1qB1/2Pb4/5P2/PPQ1N1PP/2KR1B1R w - - 2 14
White to move.
Themes:  Opening  
Puzzle rating: 1570
Best move: Qxf5