Chess puzzle (Crushing)
Moves: 1. d4 d5 2. c4 c5 3. Nc3 dxc4 4. dxc5 Qxd1+ 5. Nxd1 e5 6. Nf3 Nc6 7. e4 Nb4 8.
Ne3 Bxc5 9. a3 Bxe3 10. axb4 Bxc1 11. Rxc1 b5 12. Nxe5 Nf6 13. f3 a5 14. bxa5
Rxa5 15. b3 O-O 16. bxc4 b4 17. Bd3 Be6 18. O-O Ra3 19. Rb1 Rb8 20. Be2 b3 21.
Rb2 Ra2 22. Rfb1 Rxb2 23. Rxb2 Nd7 24. Nc6 Rb6 25. Nd4 Nc5 26. Kf2 g6 27. Ke3
Kg7 28. Kd2 h5 29. Kc3 *
Position (FEN): 8/5pk1/1r2b1p1/2n4p/2PNP3/1pK2P2/1R2B1PP/8 b - - 1 29
Black to move.
Themes:  Endgame  
Puzzle rating: 1032
Best move: Na4+