Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 Qb6 7. dxc5 Bxc5 8. Qc2
h6 9. O-O Nge7 10. b4 Nxb4 *
Position (FEN): r3k2r/pp1bnpp1/1q2p2p/2bpP3/1n6/2PB1N2/P1Q2PPP/RNB2RK1 w kq - 0 11
White to move.
Themes:  Middlegame  
Puzzle rating: 1070
Best move: cxb4