Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Other_variations
Moves: 1. e4 c6 2. d4 Qa5+ 3. c3 b5 4. a3 e6 5. b4 Qb6 6. Be3 a5 7. Nd2 d5 8. exd5
cxd5 9. Qe2 Bd7 10. Ngf3 axb4 11. cxb4 Bxb4 12. Ne5 Ra5 13. Nxd7 Nxd7 14. Rc1
Ne7 *
Position (FEN): 4k2r/3nnppp/1q2p3/rp1p4/1b1P4/P3B3/3NQPPP/2R1KB1R w Kk - 2 15
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1409
Best move: axb4