Chess puzzle (Advantage)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Normal_Variation
Moves: 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nf6 5. Nf3 O-O 6. Bd3 Nbd7 7. O-O c5 8. dxc5
Nxc5 9. e5 Nxd3 *
Position (FEN): r1bq1rk1/pp2ppbp/3p1np1/4P3/2P5/2Nn1N2/PP3PPP/R1BQ1RK1 w - - 0 10
White to move.
Themes:  Opening  
Puzzle rating: 1529
Best move: exf6