1. Rubik’s Cube 101 Ken Yuan yyuan1@uchicago.edu

2. World Record?

3. 7.08 seconds!!

4. Moves needed to solve?

5. God’s Number is 20! It takes 20 moves to solve the Rubik’s cube from any position. However, what is a move?

6. Notation U F L R D B x y z u f l r d b

7. U F

8. U’ F

9. F F

10. L F

11. R F

12. D F

13. B F

14. f F

15. What’s an algorithm? “A memorized sequence of moves whose effect on the cube is known“ Example: R U R’ U R U2 R’

16. The basic solve The Cross First Layer Middle Layer OLL (Orient Last Layer) PLL (Permute Last Layer)

17. Alternatives Petrus Method Roux Method

18. The Cross Good Cross vs. Bad Cross

19. First Layer R U R’ L’ U’ L F F

20. Second Layer U R U’ R’ U’ F’ U F U’ L’ U L U F U’ F’ F F

21. OLL (Orient Last Layer) Dots/Half Crosses F R U R’ U’ F’ Crosses R U R’ U R U2 R’

22. Sune vs. Anti-Sune

23. PLL (Permute Last Layer) Part 1 R’ F R’ B2 R F’ R’ B2 R2

24. PLL Part 2 FL R B F2 U/U’ L R’ F2 L’ R U/U’ F2

25. Done!

26. Now what?

27. Great Websites Joel’s Speedcubing Site - http://solvethecube.110mb.com/ http://solvethecube.110mb.com/ Speedsolving Forums - http://www.speedsolving.com/ http://www.speedsolving.com/ WCA Homepage - http://www.worldcubeassociation.org/index.php http://www.worldcubeassociation.org/index.php Speedcubing Store (delivers from Illinois!) - http://speedcubingstore.webs.com/ http://speedcubingstore.webs.com/ Cubesmith - http://cubesmith.com/index.htmhttp://cubesmith.com/index.htm http://www.youtube.com/user/marthaurion0