Chess puzzle (Advantage)
Opening: Indian_Defense, Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. Bf4 d5 3. e3 Nc6 4. Nd2 e6 5. Bd3 Bd6 6. Bxd6 Qxd6 7. f4 Bd7 8.
Ngf3 O-O-O 9. c4 dxc4 10. Nxc4 Qe7 11. a3 Nd5 12. Qd2 f6 13. b4 a6 14. b5 axb5
15. Na5 Ncb4 *
Position (FEN): 2kr3r/1ppbq1pp/4pp2/Np1n4/1n1P1P2/P2BPN2/3Q2PP/R3K2R w KQ - 2 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1264
Best move: axb4