Chess puzzle (Advantage)
Opening: Anderssens_Opening, Anderssens_Opening_Other_variations
Moves: 1. a3 e5 2. d4 exd4 3. Nf3 d5 4. c3 dxc3 5. Nxc3 c6 6. e4 Bc5 7. exd5 Nf6 8.
Qe2+ Qe7 9. Qxe7+ Bxe7 10. dxc6 Nxc6 11. Bf4 O-O 12. O-O-O Bg4 13. Be2 a6 14.
h3 Bf5 15. g4 Bg6 16. Ne5 Nxe5 17. Bxe5 Rac8 18. f4 Be4 19. Rhf1 Bxa3 *
Position (FEN): 2r2rk1/1p3ppp/p4n2/4B3/4bPP1/b1N4P/1P2B3/2KR1R2 w - - 0 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1256
Best move: bxa3