Chess puzzle (Crushing)
Moves: 1. d4 d5 2. Nc3 Nf6 3. Bf4 a6 4. e3 e6 5. Bd3 c5 6. dxc5 Bxc5 7. Nf3 Nc6 8. O-O
O-O 9. a3 a5 10. Ne5 Bd7 11. Qf3 d4 12. Ne4 Nxe5 13. Bxe5 Nxe4 14. Bxe4 dxe3
15. fxe3 Bc6 16. Bxc6 bxc6 17. Rad1 Qb6 18. Rfe1 Rfd8 19. Rxd8+ Rxd8 20. Kh1
Qb7 21. Qd1 *
Position (FEN): 3r2k1/1q3ppp/2p1p3/p1b1B3/8/P3P3/1PP3PP/3QR2K b - - 3 21
Black to move.
Themes:  Endgame  
Puzzle rating: 1081
Best move: Rxd1