Chess puzzle (Crushing)
Opening: Pirc_Defense, Pirc_Defense_Austrian_Attack
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bc4 c5 7. O-O cxd4 8. Nxd4
Nc6 9. Nf3 Qb6+ 10. Kh1 Ng4 11. Qe2 Nd4 12. Nxd4 Bxd4 13. Qxg4 *
Position (FEN): r1b2rk1/pp2pp1p/1q1p2p1/8/2BbPPQ1/2N5/PPP3PP/R1B2R1K b - - 0 13
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 990
Best move: Bxg4