Chess puzzle (Advantage)
Opening: Rapport-Jobava_System, Rapport-Jobava_System_Other_variations
Moves: 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bd3 Bxf4 6. exf4 Nc6 7. Nf3 Qd6 8.
Qd2 a6 9. O-O Bd7 10. Rfe1 O-O-O 11. Ne5 Rdf8 12. Bf1 h5 13. Na4 Ne4 14. Qe3
Be8 15. f3 Nf6 16. Nc5 Nd7 17. Nexd7 Bxd7 18. Qb3 Nd8 19. Nxa6 *
Position (FEN): 2kn1r1r/1ppb1pp1/N2qp3/3p3p/3P1P2/1Q3P2/PPP3PP/R3RBK1 b - - 0 19
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1393
Best move: bxa6