Chess puzzle (Advantage)
Opening: Rat_Defense, Rat_Defense_Small_Center_Defense
Moves: 1. e4 d6 2. d4 e6 3. Nf3 Ne7 4. Be2 Nd7 5. O-O Ng6 6. a3 e5 7. d5 Be7 8. Nc3 c5
9. dxc6 bxc6 10. Bd3 a6 11. Ne2 Bb7 12. Ng3 c5 13. Nf5 Bf8 14. Bc4 Bxe4 15. Bd5
Bxf5 16. Bxa8 *
Position (FEN): B2qkb1r/3n1ppp/p2p2n1/2p1pb2/8/P4N2/1PP2PPP/R1BQ1RK1 b k - 0 16
Black to move.
Themes:  Opening  
Puzzle rating: 1239
Best move: Qxa8