Indian Sudoku Championship - Mock Test 6

The 6th Mock Test in preparation to the Indian Sudoku Championship - 2009 was held on 4th January, 2009 from 14.30 - 16.30 IST (GMT + 5:30)
It was organised by Ritesh Gupta and Hitesh Gupta.

Download the Instruction Booklet
Download the Puzzle Booklet
Password is HNY2009frmLMI

The list of sudokus that appeared in the test are:

1. Reverse Kropki Sudoku
2. Skyscraper Sudoku
3. Product Frame Sudoku
4. Sum Frame Sudoku
5. Jigsaw Sum Sudoku
6. Even Sudoku
7. Quadruple Sudoku
8. Math-Doku
9. Untouchable Sudoku
10. Mini Sudokus
11. Classic Sudoku
12. Sudokuro

Results

1. Jan Novotny (Czech Republic) - 1170
2. Jakub Hrazdira (Czech Republic) - 1080
3. Nikola Zivanovic (Serbia) - 1020
4. Rishi Puri (India) - 980
5. Amit Sowani (India) - 960
6. Xrr_duoyu (China) - 780
7. Chen Cen (China) - 780
8. Gaurav Korde (India) - 750
9. Bariscakmak (Turkey) - 740
10. Minfang Lin (China) - 740

Complete Results

There were totally 37 participants.
Congrats to everyone!

Puzzle No.67

This is an Equal Sum Sudoku from the Japanese Sudoku Championship - 2007.

PUZZLE NO.67: EQUAL SUM SUDOKU


SOLUTION:

Rules of 'Arithmetic Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. The digit between two adjacent cells is the sum / difference / ratio / product of the two numbers in those cells.

EXAMPLE:


UNIQUE SOLUTION:

Rules of 'Split Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Some 3x3 boxes are divided into sub-grids. The contents of sub-grids of the same number of cells across all boxes must be same.

EXAMPLE:


UNIQUE SOLUTION:

Rules of 'Coded Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Different letters represent different numbers throughout the grid. Same letters represent same numbers throughout the grid.

EXAMPLE:


UNIQUE SOLUTION:

Rules of 'Equal Sum Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. The given crosses mark groups of four cells in which two pairs of diagonally opposite numbers add up to the same sum.

EXAMPLE:


UNIQUE SOLUTION:

Rules of 'Palindrome Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. The digits in the squares with the line form palindromes, i.e. they read the same from both the directions.

EXAMPLE:


UNIQUE SOLUTION:

Rules of 'Quad Max Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Arrows are present at some corners. The digit pointed by the arrow is larger than the other 3
digits touching that corner.

EXAMPLE:


UNIQUE SOLUTION:

Rules of 'Even Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. The shaded cells can only contain even numbers.

EXAMPLE:


UNIQUE SOLUTION:

Rules of 'Odd Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. The shaded cells can only contain odd numbers.

EXAMPLE:


















UNIQUE SOLUTION:

Puzzle No.66

This is a Sum Frame Sudoku from the Japanese Sudoku Championship - 2007.

PUZZLE NO.66: SUM FRAME SUDOKU


SOLUTION:

Puzzle No.65

This is a Hexagonal Every Second Turn puzzle from the French Puzzle Championship - 2008.

PUZZLE NO.65: EVERY SECOND TURN


SOLUTION:

Puzzle No.64

This is an Easy As ABC puzzle from the French Puzzle Championship - 2005.

PUZZLE NO.64: EASY AS ABC (A~C)


SOLUTION:

Puzzle No.63

This is an Every Second Turn puzzle from the French Puzzle Championship - 2005.

PUZZLE NO.63: EVERY SECOND TURN


SOLUTION:

Puzzle No.62

This is a Minesweeper puzzle from the French Puzzle Championship - 2005.

PUZZLE NO.62: MINESWEEPER (10 Mines)


SOLUTION:

Rules of 'Minesweeper'

Place the given number of mines into empty cells in the grid such that the numbers in the grid represent the number of mines in the neighboring cells, including diagonal ones.

EXAMPLE: (8 Mines)


UNIQUE SOLUTION:

Puzzle No.61

This is an Irregular Number Place puzzle from the Japanese Sudoku Championship - 2007.

PUZZLE NO.61: IRREGULAR NUMBER PLACE (1~7)


SOLUTION:

Puzzle No.60

This is a Trio Sudoku

PUZZLE NO.60: TRIO SUDOKU


SOLUTION:

Rules of 'Multi Sudoku'

Place numbers in the grids such that each row, column and 3x3 box contain the numbers 1 to 9. Certain region(s) of the grids are overlapped. The numbers placed in the overlapped region(s) should satisfy all the given sudokus grids.

EXAMPLE:


UNIQUE SOLUTION:

Rules of 'Sum Frame Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Numbers in the outside frame equal the sum of the first three numbers in the corresponding row or column in the given direction.

EXAMPLE:


UNIQUE SOLUTION:

Puzzle No.59

This is an Odd-Even Sudoku from the Bulgarian Sudoku Championship - 2007.

PUZZLE NO.59: ODD-EVEN SUDOKU


SOLUTION:

Puzzle No.58

This is an Irregular Sudoku from the Bulgarian Sudoku Championship - 2007.

PUZZLE NO.58: IRREGULAR SUDOKU


SOLUTION:

Puzzle No.57

This is a Diagonal Sudoku from the Bulgarian Sudoku Championship - 2007

PUZZLE NO.57: DIAGONAL SUDOKU


SOLUTION:

Puzzle No.56

This is a Classic Sudoku from the Bulgarian Sudoku Championship - 2007.

PUZZLE NO.56: CLASSIC SUDOKU


SOLUTION:

Puzzle No.55

This is a Hitori puzzle from the French Puzzle Championship - 2004.

PUZZLE NO.55: HITORI


SOLUTION:

Puzzle No.54

This is an Every Second Turn puzzle from the French Puzzle Championship - 2004.

PUZZLE NO.54: EVERY SECOND TURN


SOLUTION: