Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Accelerated_Panov_Attack
Moves: 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Bb5+ Bd7 6. Nc3 Bxb5 7. Nxb5 Nxd5
8. Qa4 Nc6 9. Nf3 e6 10. O-O a6 11. Nbd4 Qd6 12. Re1 *
Position (FEN): r3kb1r/1p3ppp/p1nqp3/3n4/Q2N4/5N2/PP1P1PPP/R1B1R1K1 b kq - 3 12
Black to move.
Themes:  Opening  
Puzzle rating: 1943
Best move: Nb6