Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nc3 c5 3. dxc5 e6 4. Nf3 Nf6 5. Bg5 Bxc5 6. e3 Nbd7 7. Bb5 a6 8.
Ba4 b5 9. Bb3 Be7 10. a4 Nc5 11. axb5 Nxb3 12. cxb3 Bb4 13. O-O Bb7 14. bxa6
Bxa6 15. Ne5 Bxf1 16. Rxa8 *
Position (FEN): R2qk2r/5ppp/4pn2/3pN1B1/1b6/1PN1P3/1P3PPP/3Q1bK1 b k - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 690
Best move: Qxa8