Chess puzzle (Advantage)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Orthodox_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 a5 7. O-O Nfd7 8. a3
e5 9. b4 Nc6 10. d5 Nd4 11. Nxd4 *
Position (FEN): r1bq1rk1/1ppn1pbp/3p2p1/p2Pp3/1PPNP3/P1N5/4BPPP/R1BQ1RK1 b - - 0 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 1072
Best move: exd4