Chess puzzle (Advantage)
Moves: 1. c4 a6 2. d4 b5 3. cxb5 Nf6 4. Nf3 g6 5. Nc3 Bg7 6. e4 Bb7 7. d5 O-O 8. Bg5
c6 9. bxc6 dxc6 10. Bc4 Qb6 11. Qd2 cxd5 12. exd5 Rd8 13. Rd1 Nc6 14. a3 Ng4
15. O-O Nge5 16. Nxe5 Nxe5 17. Ba2 Rac8 18. Kh1 Nc4 19. Bxc4 Rxc4 20. Bxe7 Re8
21. Rfe1 Rd4 22. Qg5 *
Position (FEN): 4r1k1/1b2Bpbp/pq4p1/3P2Q1/3r4/P1N5/1P3PPP/3RR2K b - - 4 22
Black to move.
Themes:  Middlegame  
Puzzle rating: 1139
Best move: Rxd1