Chess puzzle (Advantage)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Classical_Variation
Moves: 1. b3 d5 2. Bb2 c5 3. e3 Nc6 4. Bb5 e6 5. Ne2 Nf6 6. O-O Bd6 7. f4 O-O 8. Bxc6
bxc6 9. Na3 Ba6 10. c4 d4 11. Rc1 Ne4 12. d3 Nf6 13. exd4 cxd4 14. Nxd4 *
Position (FEN): r2q1rk1/p4ppp/b1pbpn2/8/2PN1P2/NP1P4/PB4PP/2RQ1RK1 b - - 0 14
Black to move.
Themes:  Opening  
Puzzle rating: 1839
Best move: Bxa3