Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Stonewall_Attack
Moves: 1. e3 d5 2. d4 Nf6 3. Bd3 c6 4. h3 b5 5. Nd2 Bb7 6. Ngf3 e6 7. Ne5 Nbd7 8. Nxd7
Qxd7 9. O-O O-O-O 10. Nb3 Ne4 11. Bxe4 dxe4 12. Nc5 *
Position (FEN): 2kr1b1r/pb1q1ppp/2p1p3/1pN5/3Pp3/4P2P/PPP2PP1/R1BQ1RK1 b - - 1 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1027
Best move: Bxc5