Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. Nf3 d5 3. e5 c5 4. c3 Nc6 5. d4 cxd4 6. cxd4 Qb6 7. b3 Bb4+ 8. Nbd2
Nxd4 9. a3 Nxf3+ 10. Qxf3 Be7 11. Be2 Nh6 12. b4 Nf5 13. Nb3 Bxb4+ *
Position (FEN): r1b1k2r/pp3ppp/1q2p3/3pPn2/1b6/PN3Q2/4BPPP/R1B1K2R w KQkq - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1265
Best move: axb4