Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 dxc4 3. e4 e5 4. d5 Nf6 5. Nc3 Bb4 6. Qa4+ c6 7. Qxb4 Na6 8.
Qxc4 cxd5 9. Nxd5 Nxd5 10. exd5 O-O 11. Be3 e4 12. Qxe4 Re8 13. Qd4 Qa5+ 14.
Qd2 Nb4 15. Kd1 Bf5 16. Ne2 Rad8 17. Nd4 Rxd5 18. Qc3 Rc8 19. Bc4 b5 20. a3 *
Position (FEN): 2r3k1/p4ppp/8/qp1r1b2/1nBN4/P1Q1B3/1P3PPP/R2K3R b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1280
Best move: Rxc4