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Log in| Search found 19 matches |
| Author | Message |
|---|---|
 Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
 Forum: Other puzzles Posted: Wed Jun 03, 2009 6:52 pm Subject: 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 ne ... | |
| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Fri Jan 30, 2009 4:12 pm Subject: 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. A ... | |
| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Sun Jan 25, 2009 8:02 pm Subject: Henry Sudoku |
| Thank you, wapati, for liking my puzzles. If you follow closely and solve every puzzle I published on the NRICH and Age of Puzzles websites since February 2006, there will be nothing new for you, oth ... | |
| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Sat Jan 24, 2009 2:01 am Subject: Henry Sudoku |
| Back in 2006, only a few sudoku variants were invented as shown in http://www.maa.org/editorial/mathgames/mathgames_09_05_05.html
I can consider myself as one of the pioneers in the invention of su ... |
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| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Mon Dec 01, 2008 9:15 am Subject: 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 solut ... | |
| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Tue Nov 11, 2008 4:50 pm Subject: Henry Sudoku |
| A more challenging version of the LCM Sudoku has been posted this month (November 2008) on the site http://www.chinasudoku.com/ | |
| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Thu Nov 06, 2008 12:35 pm Subject: Henry Sudoku |
| My sudoku creation for this month (November 2008) in http://nrich.maths.org/public/viewer.php?rss=1&obj_id=6311&part=index is called the "LCM Sudoku".
For the first time, NRICH us ... |
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| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Sun Oct 19, 2008 8:51 pm Subject: Henry Sudoku |
| In the Addition Equation Sudoku, you do not need the sum of Row 3. I was able to find the starting grid without it. The resulting puzzle is easy to solve.
Thank you for your comment. In fact, to ... |
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| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Sat Oct 04, 2008 6:46 pm Subject: Henry Sudoku |
| My sudoku creation for the October 2008 edition of NRICH in http://nrich.maths.org/public/viewer.php?rss=1&obj_id=6310&part=index is the Addition Equation Sudoku. | |
| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Tue Sep 02, 2008 6:14 pm Subject: Henry Sudoku |
| 1. My sudoku variant for this month (September) in http://nrich.maths.org/public/viewer.phprss=1&obj_id=6225&part=index is the Quadruple Clue Sudoku.
2. Other sudoku variants published in ... |
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| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Mon Aug 11, 2008 1:53 pm Subject: Henry Sudoku |
| Please refer to the link http://nrich.maths.org/public/viewer.php?rss=1&obj_id=6224&part=index to have a look at my latest sudoku creation for this month (August) -- Multiplication Equation Su ... | |
| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Tue Apr 01, 2008 5:49 am Subject: Henry Sudoku |
| My sudoku variant called "All-variables Sudoku" published in April on NRICH website http://nrich.maths.org/public/viewer.php?rss=1&obj_id=6019&part=index | |
| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Mon Mar 03, 2008 6:26 am Subject: Henry Sudoku |
| One more original creation of mine called "LCM Sudoku" on the NRICH website http://nrich.maths.org/public/viewer.php?rss=1&obj_id=6018&part=index | |
| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Fri Feb 01, 2008 1:55 am Subject: Henry Sudoku |
| Another new original creation of mine called "Equation Sudoku" on the Feb 2008 NRICH website http://nrich.maths.org/public/viewer.php?obj_id=5970 | |
| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Sat Jan 12, 2008 7:47 am Subject: Henry Sudoku |
 Since my "Story Sudoku" is related to the difference sudoku, I take the opportunity here to make a few comments on this special variant.
As the difference sudoku has the peculiar char ... |
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| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Sun Jan 06, 2008 2:55 am Subject: Henry Sudoku |
| I have created the first ever sudoku variant that requires an additional clue from a story for obtaining the solution to the puzzle. I have named my new sudoku variant "Story Sudoku".
I ... |
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| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Sun Jan 06, 2008 2:23 am Subject: Henry Sudoku |
| Hi Keith,
Thank you for your compliment. I am glad that you think my sudoku puzzles have some educational value. I hope your sons and his math teachers enjoy the puzzles! |
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| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Sat Jan 05, 2008 6:54 pm Subject: Henry Sudoku |
| My second Pole Star Sudoku variant (Differenzen-Sudoku) was posted on the NRICH website http://nrich.maths.org/public/viewer.php?rss=1&obj_id=5724&part=index in August 2007.
Another Quadrup ... |
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| Topic: Henry Sudoku |
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| aman Replies: 22 Views: 114506 |
Forum: Other puzzles Posted: Sat Dec 29, 2007 11:11 am Subject: Henry Sudoku |
| Some of my sudoku creations from the British math educational NRICH website and the Age of Puzzles website were used in the Second World Sudoku Championship 2007 at Prague:
1. Ratio Sudoku ... |
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