Chess puzzle (Crushing)
Moves: 1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. exd5 exd5 5. a3 Bxc3+ 6. bxc3 Nf6 7. Nf3 Nc6 8.
Bg5 Bg4 9. h3 Qe7+ 10. Qe2 Qxe2+ 11. Bxe2 Bxf3 12. Bxf3 Ne4 13. Bxe4 dxe4 14.
Kd2 O-O 15. Rhe1 f5 16. g4 Rae8 17. Bf4 Rf7 18. gxf5 Rxf5 19. Ke3 Ne7 20. Bxc7
*
Position (FEN): 4r1k1/ppB1n1pp/8/5r2/3Pp3/P1P1K2P/2P2P2/R3R3 b - - 0 20
Black to move.
Themes:  Endgame  
Puzzle rating: 1017
Best move: Nd5+