The 8th World Sudoku Championship

The 8th World Sudoku Championship will take place October 12-19, 2013 at Beijing Chateau Laffitte Hotel, Changping District, Beijing, China.

The Instruction Booklet for the 8th World Sudoku Championship is released and contains the following puzzle rounds.

Round 1: Classic Sudoku

18 Classic Sudoku

4×4 Sudoku…………… ×1

6×6 Sudoku…………… ×3

Classic Sudoku……........×14

Round 2: Common Variant Sudoku

1. Pyramid Sudoku… 25 pts

2. Property Sudoku… 24 pts

3. Non-Consecutive Sudoku………49 pts

4. ISO Sudoku……… 47 pts

5. Six Point Star Sudoku………… 21 pts

6. Tight Fit Sudoku… 21 pts

7. Ring Sudoku……… 20 pts

8. Inequality Sudoku…45 pts

9. 1-Consecutive Sudoku…………42 pts

10. No Touch Sudoku 28 pts

11. Nine Dragons Sudoku…………40 pts

12. Disjoint Groups Sudoku………46 pts

13. Extra-Region Sudoku…………31 pts

14. Blackout Sudoku…27 pts

15. Kropki Sudoku……35 pts

16. Non-Main Diagonals Sudoku…21 pts

17. Interconnected Sudoku……… 33 pts

18. Fortress Sudoku… 45 pts

Round 3: Jigsaw Sudoku

Place the Sudoku jigsaw pieces on the right into the grid on the left, and fill in the empty cells so that every row, column, and 3×3 box on the grid contains digits 1 through 9. Jigsaw pieces cannot be rotated, flipped, or placed on top of each other.

Round 4: Classic Sudoku 2.0

8 Classic Sudoku

Round 5: -+×÷

8 Variant Sudoku with Mathematical Operations

1. Sum Sudoku………35 pts

2. Killer Sudoku………26 pts

3. Arrow Sudoku…… 32 pts

4. Outside Sum Sudoku………… 10 pts

5. Product Sudoku……30 pts

6. Star Product Sudoku28 pts

7. Ratio Sudoku………34 pts

8. Mathdoku………… 55 pts

Round 6 (TEAM): Ball Sudoku

1 3-D Interconnected Sudoku

Round 7 (TEAM): Match Sudoku

8 Variant Sudoku

Match eight variants of Sudoku into four pairs of two. The two puzzles within each pair have identical answers. Fill in the grid for each puzzle using the combined rules within the pair. 100 points will be awarded for each puzzle correctly answered. If a team finishes ahead of time with correct answers for all eight puzzles, 30 bonus points will be awarded for every full minute.

Round 8 (TEAM): Mah-jong Sudoku

1 Mah-jong Sudoku

Round 9: Close Relative Sudoku

16 Variant Sudoku(8 Related Pairs)

1. Diagonal Sudoku 24 pts

2. Antidiagonal Sudoku…………24 pts

3. Irregular Sudoku 26 pts

4. Halved Squares Sudoku…… 41 pts

5. Odd Sudoku…… 23 pts

6. Odd-Even Consecutive Sudoku…… 40 pts

7. Consecutive Sudoku…………39 pts

8. X-Difference Sudoku…………44 pts