Chess puzzle (Advantage)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Samisch_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. d5 e6 8. Qd2 exd5
9. cxd5 Nh5 10. Nge2 f5 11. Nf4 Nxf4 12. Bxf4 Qf6 13. Bd3 fxe4 14. Bxe4 *
Position (FEN): rnb2rk1/pp4bp/3p1qp1/2pP4/4BB2/2N2P2/PP1Q2PP/R3K2R b KQ - 0 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1490
Best move: Qxf4