Chess puzzle (Advantage)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Four_Pawns_Attack
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 Nh5 6. Nf3 O-O 7. Bd3 f5 8. exf5
Bxf5 9. Ne4 Nd7 10. O-O e5 11. fxe5 dxe5 12. Neg5 exd4 13. Bxf5 Rxf5 14. Ne6
Qf6 15. Nxg7 Nxg7 16. Bh6 Ne6 17. b4 g5 18. Bxg5 *
Position (FEN): r5k1/pppn3p/4nq2/5rB1/1PPp4/5N2/P5PP/R2Q1RK1 b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1459
Best move: Nxg5