Black Belt Sudoku®

Overview

Sudoku Puzzles for Everyone, From Novices to Masters! At home, while commuting, during lunch hours...people around the world are eagerly working on Sudoku puzzles whenever and wherever they can!

Created in the United States, these intriguing conundrums were originally called Number Place puzzles. Their recent rise in popularity began in Japan, where the name translated as sudoku. Here we've indicated the skill level necessary to complete each sudoku book in this series in the ...

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Overview

Sudoku Puzzles for Everyone, From Novices to Masters! At home, while commuting, during lunch hours...people around the world are eagerly working on Sudoku puzzles whenever and wherever they can!

Created in the United States, these intriguing conundrums were originally called Number Place puzzles. Their recent rise in popularity began in Japan, where the name translated as sudoku. Here we've indicated the skill level necessary to complete each sudoku book in this series in the same way Japanese karate levels are ranked: by different colored belts. This is the Black Belt volume, filled with puzzles that will provide a sly, absorbing test for even the best, most proficient experts.

It's impossible to complete only one sudoku at a time, because solving them is habit-forming!

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Product Details

  • ISBN-13: 9781402735981
  • Publisher: Puzzlewright
  • Publication date: 9/28/2005
  • Series: Martial Arts Puzzles Series
  • Pages: 192
  • Sales rank: 107,618
  • Product dimensions: 5.50 (w) x 8.20 (h) x 1.70 (d)

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See All Sort by: Showing 1 – 20 of 23 Customer Reviews
  • Anonymous

    Posted November 11, 2009

    Black Belt Sudoku

    The collection of puzzles in Black Belt Sudoku is wonderful! Even though this book is designed for the more advanced Sudoku player, the first few puzzles are easy and get you back in the swing of things :o). If you enjoy puzzles you should definitely purchase this book!

    1 out of 1 people found this review helpful.

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  • Posted September 13, 2009

    Sudoku lovers - buy this!

    I'm hooked on Michael Rios and this series! Tough enough to be a challenge while being achievable. I've even bought this one more than once.

    1 out of 1 people found this review helpful.

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  • Posted May 3, 2010

    This book has puzzles that are challenging enough for the experienced puzzle decipherer

    A friend of mine loves to work sudoku. She buys a lot of puzzle books, works the newspaper's examples and some online versions from various sources. She has told me that many of the sudoku books have puzzles so easy that she rips out most of the pages and tosses them to get to the remaining (most challenging) puzzles. When I saw Black Belt Sudoku I thought "well, this might be difficult enough for her". She said it is! She did not waste a single page. I know I started her with what I think is the most difficult offering of this series (so I do not know about the others) but this book does have puzzles that are challenging enough for the experienced puzzle decipherer. A good choice if you need some puzzles where the numbers must occur only once!

    Was this review helpful? Yes  No   Report this review
  • Anonymous

    Posted February 14, 2010

    Good entertainment!

    I really enjoy it! It is difficult enough to challenge me without being too hard. There are still some that I can't quite figure out!

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  • Posted January 9, 2010

    I Also Recommend:

    Good challenging Sudoku!

    If you are good at this, and Sudoku challenges you, this book is for you.

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  • Posted August 22, 2009

    I Also Recommend:

    Good collection, could still be more challenging.

    The title would indicate this to be a much harder collection of puzzles. Still challenging, but most puzzles are easily solved in one sitting.

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  • Posted July 30, 2009

    more from this reviewer

    I Also Recommend:

    Challenging

    Challenging yet relaxing. This book has two puzzles per page. It generally takes me about an hour per puzzle. My boyfriend can do most of them in about 20 minutes. My only complaint is a minor one; the binding broke almost immediately and the pages come loose. I did not buy the other books in the series, but like this one and will look for other versions of the Black Belt book.

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  • Posted July 20, 2009

    Definitely not blackbelt!

    These puzzles are WAY easier than the 2nd degree brown belt book (probably easier than other lower levels as well, but I don't own those books). I was very disappointed.

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  • Anonymous

    Posted April 27, 2009

    Extreme Sudoku

    Michael Rios has created excellence in an extreme Sudoku. This composite of puzzles are very difficult; makes one be creative in solving them in the seemingly unsolvable format; for Sudoku enthusiasts who require a mind-wrenching challenge.

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  • Anonymous

    Posted August 5, 2008

    shocked at title Black Belt

    Was not insulted, but all puzzles were easily finished and I do not consider myself an expert.

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  • Anonymous

    Posted April 7, 2008

    Insulting

    Insulting...insulting...insulting to call these 'black belt'.

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  • Anonymous

    Posted March 4, 2008

    Misleading level of difficulty

    I expected difficult puzzles and was disappointed.

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  • Anonymous

    Posted November 20, 2007

    The Beauty of Michael Rios

    While M. Rios' work may not be the most difficult, there is always a gentle rhythm to solving his puzzles that makes you appreciate the process. I find his work rewarding and wish he would come out with a more advanced book.

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  • Anonymous

    Posted July 25, 2006

    More like Yellow Belt...

    None of the puzzles in this book require anything other than using an exclusion method. They are far too easy to be labeled 'black belt'.

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  • Anonymous

    Posted February 12, 2006

    very disappointing

    This book is not difficult at all. I can't believe these are the hardest puzles in the series. My 8 year old can do them.

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  • Anonymous

    Posted December 30, 2005

    Disappointing - not a serious challenge

    For the serious Sudoku puzzler these puzzles are straight forward to solve. They don't even present much variety in problem solving approaches. When compaired to the London Times or New York Post puzzles they range somewhere between Mild to Difficult on a scale that goes from Easy to Mild to Difficult to Fiendish. I had expected a book called Black Belt Sudoku to be substantially more of a challenge -

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  • Anonymous

    Posted December 29, 2005

    I am a long time sudoku addict.

    I really like that all the puzzles are hard and there are plenty of them. I don't need the easy or medium ones anymore (finally!). I wish these puzzles were a little harder, but it is difficult to rank a puzzle's difficulty to an objective standard.

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  • Anonymous

    Posted March 3, 2009

    No text was provided for this review.

  • Anonymous

    Posted March 23, 2009

    No text was provided for this review.

  • Anonymous

    Posted May 11, 2009

    No text was provided for this review.

See All Sort by: Showing 1 – 20 of 23 Customer Reviews

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