Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 a6 4. Nc3 b5 5. cxb5 axb5 6. Nxb5 e6 7. Nc3 exd5 8.
Nxd5 Bb7 9. Nxf6+ Qxf6 10. Nf3 d5 11. Qb3 Bc6 12. Bg5 Qg6 13. e3 c4 14. Qc3 Na6
15. a3 Nb4 16. Rc1 Na2 17. Qe5+ Kd7 18. Rd1 Bd6 19. Qd4 Rhe8 20. h4 h6 21. Bf4
Re4 22. Bxd6 *
Position (FEN): r7/3k1pp1/2bB2qp/3p4/2pQr2P/P3PN2/nP3PP1/3RKB1R b K - 0 22
Black to move.
Themes:  Middlegame  
Puzzle rating: 1143
Best move: Rxd4