Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Two_Knights_Variation
Moves: 1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Nc3 e6 5. Bd3 b6 6. Be3 h6 7. Qd2 a6 8. h4 Ne7
9. g4 Nd7 10. O-O-O Bb7 11. Kb1 c5 12. h5 g5 13. Be2 cxd4 14. Bxd4 e5 15. Be3
Rc8 16. Qxd6 Rxc3 17. bxc3 Bxe4 18. Bxb6 *
Position (FEN): 3qk2r/3nnpb1/pB1Q3p/4p1pP/4b1P1/2P2N2/P1P1BP2/1K1R3R b k - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1566
Best move: Qxb6+