Chess puzzle (Advantage)
Opening: Scandinavian_Defense, Scandinavian_Defense_Icelandic-Palme_Gambit
Moves: 1. e4 d5 2. exd5 Nf6 3. c4 e6 4. dxe6 Bxe6 5. Qb3 Nc6 6. Nf3 Na5 7. Qa4+ c6 8.
d3 Qb6 9. Be2 Bb4+ 10. Nbd2 O-O 11. O-O Rad8 12. Nb3 Rfe8 13. Be3 c5 14. a3 Bd7
15. axb4 *
Position (FEN): 3rr1k1/pp1b1ppp/1q3n2/n1p5/QPP5/1N1PBN2/1P2BPPP/R4RK1 b - - 0 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1364
Best move: Bxa4