Chess puzzle (Advantage)
Opening: Pirc_Defense, Pirc_Defense_Classical_Variation
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be3 O-O 6. Qd2 c6 7. Be2 Bg4 8.
O-O-O b5 9. Bh6 a5 10. Bxg7 Kxg7 11. h3 Bd7 12. g4 h6 13. e5 dxe5 14. Nxe5 Nd5
15. Nxd5 cxd5 16. g5 h5 17. Qf4 Bf5 18. Bxh5 *
Position (FEN): rn1q1r2/4ppk1/6p1/pp1pNbPB/3P1Q2/7P/PPP2P2/2KR3R b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 2049
Best move: Qc8