Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Chigorin_Defense
Moves: 1. d4 d5 2. c4 Nc6 3. e3 e5 4. Nf3 Bb4+ 5. Nc3 e4 6. Nd2 Nf6 7. cxd5 Nxd5 8.
Ncxe4 O-O 9. Nc3 Nxc3 10. bxc3 Bxc3 11. Rb1 Re8 12. Be2 Bf5 13. Rb3 Ba5 14.
Rxb7 Bb6 15. Bb5 Qd6 16. O-O Bc8 17. Nc4 Qg6 18. Bxc6 *
Position (FEN): r1b1r1k1/pRp2ppp/1bB3q1/8/2NP4/4P3/P4PPP/2BQ1RK1 b - - 0 18
Black to move.
Themes:  Opening  
Puzzle rating: 1742
Best move: Qxc6