Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Exchange_Variation
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bg4 5. Bf4 Nf6 6. Nc3 e6 7. Be2 Bf5 8.
O-O Nc6 9. Nb5 a6 *
Position (FEN): r2qkb1r/1p3ppp/p1n1pn2/1N1p1b2/3P1B2/5N2/PPP1BPPP/R2Q1RK1 w kq - 0 10
White to move.
Themes:  Opening  
Puzzle rating: 1367
Best move: Nc7+