Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Orthodox_Defense
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 b6 8. Rc1
Nbd7 9. Nf3 Bb7 10. O-O Rc8 11. Nb5 Ra8 12. Nxc7 Rc8 13. Qb3 *
Position (FEN): 2rq1rk1/pbNnbppp/1p3n2/3p2B1/3P4/1Q1BPN2/PP3PPP/2R2RK1 b - - 2 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1244
Best move: Rxc7