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New Zealand Puzzle Association Inc.

organizer of : NZ open/junior/school vaki ® puzzle and sudoku Championship
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Sudoku Ratings

Some puzzlers are better than others at solving sudoku. They can solve more difficult puzzles, faster and with fewer mistakes.

How we calculate ratings

We calculate ratings as the average of the top 20 sudoku scores (over zero) for completed puzzles that you have recorded in the previous six months.

if you have completed fewer than ten puzzles then the total of your scores is divded by twice the number of puzzles you have completed (i.e if you have completed four puzzles the total score is divided by eight)

Sudoku Ratings

We can't calculate your rating. For your rating to be displayed you must have solved one or more sudoku online and you must be logged in

Sudoku ratings are calculated in four age bands
All puzzlers
Veteran Puzzlers (over 60)
Under 18
Under 16
Under 14


The puzzlers with the highest ratings are :

Rank Puzzler Rating Country
1 Brena Merz 1313 New Zealand
2 Eamonn Waters 490 New Zealand
3 Sue Jynn Leong 438 New Zealand
4 Lorna B 434 New Zealand
5 Elizabeth Waters 383 New Zealand
6 Tom Quin 362 New Zealand
7 tobias thompson 318 new zealand
8 Lu Hunter 290 China


The veteran (over 60) puzzlers with the highest current ranking scores are :

Rank Puzzler Current Ranking Score Country


The under 18 year old puzzlers with the highest ratings are :

Rank Puzzler Rating Country
1 Brena Merz 1313 New Zealand
2 Sue Jynn Leong 438 New Zealand
3 tobias thompson 318 new zealand
4 Joyce S 233 M
5 Kady Tull 203 New Zealand


The under 16 year old puzzlers with the highest ratings are :

Rank Puzzler Rating Country
1 Brena Merz 1313 New Zealand
2 Sue Jynn Leong 438 New Zealand
3 tobias thompson 318 new zealand
4 Joyce S 233 M
5 Kady Tull 203 New Zealand
6 bob marley 183 NZ


The under 14 year old puzzlers with the highest ratings are :

Rank Puzzler Rating Country
1 Brena Merz 1313 New Zealand
2 Sue Jynn Leong 438 New Zealand
3 tobias thompson 318 new zealand
4 Joyce S 233 M
5 Kady Tull 203 New Zealand
6 bob marley 183 NZ
7 Alex Ly 118 New Zealand