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#26 2008-03-12 17:59:43

V-Puzzle
Member
From: Minsk
Registered: 2008-03-09
Posts: 22

Re: Henry Sudoku

Andrey Bogdanov, thank you very much for your remarks. You are right. Please, Andrey, Aman and others try to solve my puzzle and write me your opinion about it.  big_smile

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#27 2008-03-12 18:08:42

forsmarts
Administrator
From: Minsk
Registered: 2007-05-29
Posts: 195
Website

Re: Henry Sudoku

V-Puzzle, please continue in the new topic I created for you.

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#28 2008-03-15 15:53:40

V-Puzzle
Member
From: Minsk
Registered: 2008-03-09
Posts: 22

Re: Henry Sudoku

Thank you.

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#29 2008-04-01 05:57:15

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

My sudoku variant called "All-variables Sudoku" published in April on NRICH website http://nrich.maths.org/public/viewer.ph … part=index

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#30 2008-08-11 12:50:36

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

Please refer to the link http://nrich.maths.org/public/viewer.ph … part=index to have a look at my latest sudoku creation for this month (August) -- Multiplication Equation Sudoku.

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#31 2008-08-17 15:47:08

V-Puzzle
Member
From: Minsk
Registered: 2008-03-09
Posts: 22

Re: Henry Sudoku

Thank you, aman. Multiplication Equation Sudoku are good puzzels!

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#32 2008-08-21 02:47:45

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

Thank you for your compliment.  I look forward to seeing your second puzzle in "Sudoku by V-Puzzle".

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#33 2008-09-02 20:09:46

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

1.  My sudoku variant for this month (September) in http://nrich.maths.org/public/viewer.ph … part=index is the Quadruple Clue Sudoku.

2.  Other sudoku variants published in the past few months were:

i.  Colour Islands Sudoku
in the July issue of http://nrich.maths.org/public/viewer.php?obj_id=6179

ii.  Quadruple Clue Sudoku
in the June issue of http://nrich.maths.org/public/viewer.php?obj_id=6113

iii.  Twin Corresponding Sudokus
in the May issue of http://nrich.maths.org/public/viewer.php?obj_id=6087

3.  Some of my sudoku variants were used in the Czech National Sudoku Championship 2008.

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#34 2008-10-04 19:31:35

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

My sudoku creation for the October 2008 edition of NRICH in http://nrich.maths.org/public/viewer.ph … part=index is the Addition Equation Sudoku.

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#35 2008-11-05 23:21:15

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

My sudoku creation for this month (November 2008) in http://nrich.maths.org/public/viewer.ph … part=index is called the "LCM Sudoku".

For the first time, NRICH uses the creative and innovative idea of flash interactivity for its puzzles.

My first version of "LCM Sudoku" in an earlier issue of NRICH in the link http://nrich.maths.org/public/viewer.php?obj_id=6018 used unknown variables and numbers.

To be more specific, that variant should be called "Algebraic LCM Sudoku".

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#36 2008-11-11 19:18:55

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

A more challenging version of my creation (LCM Sudoku) has been posted this month (November 2008) on the site http://www.chinasudoku.com/

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#37 2008-12-01 10:48:34

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

My sudoku creation for the December 2008 NRICH http://nrich.maths.org/public/viewer.php?obj_id=6368 is named "Bochap Sudoku" which combines all four arithmetic operations to obtain the solution.

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#38 2009-01-02 06:53:20

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

? ????? ?????!

My creation for this month (January 2009) is "Colour Islands Sudoku" in http://nrich.maths.org/public/viewer.php?obj_id=6405

The variant is based on part of the rules of my two board games.

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#39 2009-01-24 00:26:06

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

Back in 2006, only a few sudoku variants such as the Killer Sudoku and Skyscraper Sudoku were invented.

I can consider myself as the pioneer in the invention of sudoku variants outside Japan.  After creating sudoku variants for NRICH and other websites for 3 years, it is time now to look back at what I have invented and achieved since 2006.

My first LCM Sudoku variant was invented in April 2008 as shown in http://nrich.maths.org/public/viewer.php?obj_id=6018

A more difficult version of LCM Sudoku was invented in November 2008 as shown in http://www.chinasudoku.com/

A popular sudoku variant invented by me in November 2006 is the Twin Corresponding Sudoku as shown in http://nrich.maths.org/public/viewer.php?obj_id=5477

I also designed it for the Second World Sudoku Championship 2007 at Prague.

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#40 2009-01-25 22:17:25

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

One of my friends just pointed out that he found a so-called "Substitution Twin Sudoku" on one website.  The puzzle is similar in every way to my "Twin Corresponding Sudoku" except for its name and its position in a vertical direction.  This "new" puzzle was published in 2008 while my puzzle was invented and published in 2006.

I have to thank that person for liking my "Twin Corresponding Sudoku" so much that he changed its name entirely.  It won't be surprising that in the future I shall find other "fans" of mine playing similar jokes by pubishing my "Twin Corresponding Sudoku" under other names such as "Replacment Twin Sudoku", "Twin Replacement Sudoku", "Similar Twin Sudoku", "Twin Substitution Sudoku", etc.

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#41 2009-01-30 18:31:39

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

With my friends and even some strangers, I have discussed the problem of my sudoku variants popping up here and there like mushrooms on some websites, in books and some international championships.  Among them, the opinion of one person, who has a deep interest in Zen, is particularly interesting.

I almost fell off from my chair when he said that such happening shows that my sudoku variants are a great success and it should be viewed as a positive development.  He said that my task is to make it "more positive" by thanking whoever is interested in my sudoku concepts and encouraging him to use more of my ideas, whether on websites or in books!  He said that I cannot force others to advertise for me, but others cannot stop me from advertising myself .  He said I can never stop others from using my ideas, and similarly others can never stop me from trying to get the maximum benefit out of the whole situation.

Now I am putting the advice of that "Zen master" into practice to see how successful it works.

First I have to thank http://www.sudokumasters.in for using my idea of "Twin Corresponding Sudoku" in its so-called "Substitution Twin Sudoku".

I also have to thank http://wsc2008.com for designing a so-called "Group Sum" which is identical to my "Corner Squad Sudoku" in http://www.ageofpuzzles.com/Collections … Sudoku.htm except that the small clue-numbers in the "new" puzzle are circled.

An article in http://www.notelay.com/articles/did_you … is_sudoku/ has this interesting comment about sudoku:  "Because Sudoku is logic-based, other puzzles could be created that use the same concept and replace the numbers with other objects, such as colours, letters or shapes."

I have used graphics, Chinese words and the alphabet for my Twin Corresponding Sudoku.  Please refer to the following websites:

http://nrich.maths.org/public/viewer.php?obj_id=5518

http://www.ageofpuzzles.com/Collections … udokus.htm

http://www.chinasudoku.com/

I have to thank http://wsc2008.com for designing its so-called "Alphabet Substitution Twins".  Whatever name the "new" puzzle is called, it is still identical to my "Twin Corresponding Sudoku".

Finally, I hope more people will use my sudoku ideas freely on their websites and in their books, but at the same time as the Chinese saying goes, "remember the source whenever you drink water", so please don't keep me totally out of your limelight.

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#42 2009-06-03 21:09:14

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

For the second year in succession, my sudoku variants were used in the Czech National Sudoku Championship.  One of the my 10 sudoku variants used in the Czech National Sudoku Championship 2009 is a new variant called "Rainstorm Sudoku".

It is found in http://nrich.maths.org/public/viewer.php?obj_id=6547

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#43 2009-07-10 10:07:06

tamz29
Member
Registered: 2009-02-08
Posts: 24

Re: Henry Sudoku

Because of the diagonal pattern - I'm sure it was a challenge making the Rainstorm Sudoku -
By any chance, could you make more?  or perhaps a more difficult one?
I'm sure its gonna be a challenge.. but your rainstorm sudoku is a very good idea! congratulations!

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#44 2009-10-29 20:02:02

aman
Member
From: Singapore
Registered: 2007-08-23
Posts: 42

Re: Henry Sudoku

Thank you for your encouragement.  Sorry for the late reply.  I have not visited this forum for a very long time: firstly because of my busy work schedule; secondly because I have lost interest in crafting sudoku when, like many other people, I gradually discover that it won't bring any monetary reward.

It takes quite a long time to craft a very good sudoku.  Just to show some appreciation for your encouragement, I shall try to craft a more difficult sudoku when I have the time.

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#45 2010-07-20 20:03:56

tamz29
Member
Registered: 2009-02-08
Posts: 24

Re: Henry Sudoku

So you stopped making puzzles, basically because you're not getting money from it?
Lots of people enjoy crafting good puzzles for entertainment rather than hoping it turns to a career.
I, and likely many others, enjoyed your sudoku variants - it's a shame for that to stop

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#46 2010-07-23 07:14:52

laura0812
Banned
Registered: 2010-07-22
Posts: 1

Re: Henry Sudoku

Thank you very much for sharing this. I am a sudoku lover and this is very interesting. I'll have to check this links out.

Last edited by laura0812 (2010-07-23 08:42:22)

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