Chess puzzle (Crushing)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Smyslov_Variation
Moves: 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. Nf3 Bg7 5. Bg5 O-O 6. e3 c5 7. d5 b6 8. Bd3 h6
9. Bh4 Na6 10. Rc1 Bd7 11. Bb1 Rb8 12. O-O Nc7 13. e4 b5 14. b3 b4 15. Bxf6
Bxf6 16. Ne2 Bg4 17. Nf4 Qd7 18. h3 Bg5 19. Qd2 *
Position (FEN): 1r3rk1/p1nqpp2/3p2pp/2pP2b1/1pP1PNb1/1P3N1P/P2Q1PP1/1BR2RK1 b - - 2 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1194
Best move: Bxf3