Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 d5 2. c4 e6 3. e3 c5 4. cxd5 exd5 5. Nf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7
8. O-O Bd6 9. dxc5 Nxc5 10. h3 O-O 11. Nc3 Nfe4 12. Qxd5 *
Position (FEN): r2q1rk1/pp3ppp/3b4/2nQ4/4n3/2N1PN1P/PP3PP1/R1B2RK1 b - - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1513
Best move: Nxc3