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US Puzzle Championship - 2010 Solutions

 

1. Battleships (Moshe Rubin)

Answer: AL,CP,ET,JN

 

2. Sudoku (Nikoli)


Answer: 462839751,194782635

 

3. Count Me In (Scott Kim)

Answer: 17 (count concave vertices)

 

4. Islands (Cihan Altay)

Answer: NE,NE,HT,ME,UR,RE,AR

 

5. Groundhog Day (Patrick Merrell)

Answer: B3-C5,B5-C1,D4-F3

 

6. Hex Equation (Erich Friedman)

Answer: 4X114-4=411+41

 

7. Mirror Mirror (Cihan Altay)

Answer: SHE,OM,NOMEN,IEO,MEMOS,SON

 

8. Masyu (Nikoli)

Answer: AFIJMOLHNKGEDCB


9. Rectangle Maze (Erich Friedman)

Answer: JEBFGKLHIDFC


10. Digitile (Cihan Altay)

Answer: I11,C7,D11,G8,E6,J7,F2,I3,K3,C3


11. Route (Cihan Altay)

Answer: B2,C4,H5,B3,C7,F4,F8,E6


12. Takeout (Michael Rios)

Answer: AOHKMDITLKK,CCSQOCREHAA

 

13. Corral (Nikoli)

Answer: 6,24,7,5,2


14. Sukoro (Nikoli)

Answer: 2,1,2,2,0,1,2,0,2,3


15. Constant Sum (Ed Pegg, Jr.)

Answer: 88,32,9,25,20,45,36,82,
53,24,40,25,20,16,43,3,76


16. Criss Cross Sums (Craig Kasper)

Answer: 01110,00111000


17. PentaPath (Rod Bogart)

Answer: 201204301322


18. Sukazu (Adam R. Wood)

Answer: 4454551455,1422334344


19. Hex Masyu (Dave Tuller)

Answer: AFDJKGBELIHC


20. X-Diagony (Craig Kasper)

Answer: 19,89,65,54,12,67,78,43,23


21. Four Square (Aziz Ateş)

Answer: 312223,2222222,313223,22112222