Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. e3 Bf5 4. Nc3 e6 5. cxd5 cxd5 6. a3 Nc6 7. Bd3 Bxd3 8.
Qxd3 Bd6 9. Nf3 Nf6 10. O-O O-O 11. Re1 Qc7 12. h3 Rac8 13. Nb5 Qe7 14. Nxd6
Qxd6 15. b4 Ne4 16. Nd2 Nxb4 *
Position (FEN): 2r2rk1/pp3ppp/3qp3/3p4/1n1Pn3/P2QP2P/3N1PP1/R1B1R1K1 w - - 0 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1546
Best move: axb4