Chess puzzle (Crushing)
Moves: 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Nd4 Ngxe5 7. Nxc6 dxc6
8. Qxd8+ Kxd8 9. Nc3 Bf5 10. b3 Nd3+ 11. Bxd3 Bxd3 12. Bb2 Ke7 13. Na4 Bb4+ 14.
Kd1 Rad8 15. Kc1 Be4 16. f3 Bg6 17. e4 Rd2 18. Rg1 b5 19. cxb5 cxb5 20. Nc3
Rhd8 21. Nd5+ *
Position (FEN): 3r4/p1p1kppp/6b1/1p1N4/1b2P3/1P3P2/PB1r2PP/R1K3R1 b - - 3 21
Black to move.
Themes:  Middlegame  
Puzzle rating: 1460
Best move: R8xd5