Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Symmetrical_Variation
Moves: 1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 b5 5. O-O Bb7 6. b3 c5 7. Nc3 a6 8. Bb2 Be7
9. e3 Nc6 10. a3 Qb6 11. Ne5 cxd4 12. Nxc6 *
Position (FEN): r3k2r/1b2bppp/pqN1pn2/1p1p4/3p4/PPN1P1P1/1BP2PBP/R2Q1RK1 b kq - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1535
Best move: dxc3