Chess puzzle (Crushing)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Larsen_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be3 Ng4 7. Bc1 e5 8. d5 f5
9. h3 Nf6 10. Bg5 a5 11. b3 h6 12. Bxf6 Qxf6 13. Nb5 *
Position (FEN): rnb2rk1/1pp3b1/3p1qpp/pN1Ppp2/2P1P3/1P3N1P/P4PP1/R2QKB1R b KQ - 1 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1253
Best move: fxe4