Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Be7 5. Be2 Nbd7 6. Nbd2 O-O 7. Ne5 c5 8. c3
cxd4 9. cxd4 Nxe5 10. Bxe5 Bd7 11. O-O a6 12. a4 Bc6 13. Nb3 Nd7 14. Bg3 Bf6
15. Bd6 Re8 16. Na5 *
Position (FEN): r2qr1k1/1p1n1ppp/p1bBpb2/N2p4/P2P4/4P3/1P2BPPP/R2Q1RK1 b - - 8 16
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1202
Best move: Qxa5