Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Advance_Variation
Moves: 1. e4 c6 2. Nf3 d5 3. e5 Bf5 4. d4 e6 5. Bd3 Bg6 6. Bxg6 hxg6 7. h3 Qb6 8. Nc3
Bb4 9. a3 Bxc3+ 10. bxc3 c5 11. Be3 c4 12. Qb1 Qc7 13. Qb5+ Nc6 14. Rb1 O-O-O
15. Ng5 Nh6 16. Ke2 Nf5 17. Qxb7+ *
Position (FEN): 2kr3r/pQq2pp1/2n1p1p1/3pPnN1/2pP4/P1P1B2P/2P1KPP1/1R5R b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 885
Best move: Qxb7