Chess puzzle (Advantage)
Moves: 1. Nf3 c5 2. g3 Nc6 3. Bg2 d6 4. O-O g6 5. d3 Bg7 6. c4 Nf6 7. Nc3 O-O 8. Bd2
e6 9. Rb1 Bd7 10. a3 a6 11. b4 cxb4 12. axb4 Qc7 13. b5 axb5 14. Nxb5 Qb8 15.
Bf4 Ne5 16. Nxe5 dxe5 17. Bd2 Bxb5 18. Rxb5 e4 19. dxe4 Rd8 20. Bg5 *
Position (FEN): rq1r2k1/1p3pbp/4pnp1/1R4B1/2P1P3/6P1/4PPBP/3Q1RK1 b - - 2 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 799
Best move: Rxd1