Author |
Message |
Topic: A challenge for p&p |
keith
Replies: 6
Views: 35205
|
Forum: Other puzzles Posted: Sat May 22, 2021 4:03 pm Subject: A challenge for p&p |
This one is a challenge for pencil & paper solvers …
+-------+-------+-------+
| 7 . . | . . 5 | 2 . . |
| 2 . . | . 1 . | . . 5 |
| . . 8 | 6 . . | . 3 . |
+-------+-------+-------+
| . ... |
Topic: I learned something new ... |
keith
Replies: 7
Views: 35605
|
Forum: Other puzzles Posted: Mon May 03, 2021 7:52 pm Subject: I learned something new ... |
Question: Will this only work when the BUG cells see each other, or can it be applied in any case?
Thanks in advance for any enlightenment.
immpy,
The process is to identify the candidates whi ... |
Topic: I learned something new ... |
keith
Replies: 7
Views: 35605
|
Forum: Other puzzles Posted: Sat May 01, 2021 6:34 pm Subject: I learned something new ... |
After basics (see dongrave's grid above), this puzzle is a BUG+2.
In a BUG, every unsolved cell has two candidates, and each candidate occurs twice in each house (row, column, or box). A BUG does n ... |
Topic: VH+ 042121 |
keith
Replies: 3
Views: 23866
|
Forum: Other puzzles Posted: Fri Apr 30, 2021 7:43 pm Subject: VH+ 042121 |
Well,
You know how I'll solve it. After basics:
+----------------+----------------+----------------+
| 8 5 4 | 6 23 7 | 239 239 1 |
| 1 9 7 | 23 4 8 | 6 ... |
Topic: I learned something new ... |
keith
Replies: 7
Views: 35605
|
Forum: Other puzzles Posted: Fri Apr 30, 2021 6:35 pm Subject: I learned something new ... |
+-------+-------+-------+
| 5 . . | . . 8 | . 4 3 |
| . . . | 5 9 4 | . . . |
| 7 1 . | 3 . . | . . . |
+-------+-------+-------+
| . 7 5 | . 4 . | . . 8 |
| . . 6 | . . . | 1 . . |
| 9 . . | . ... |
Topic: VH (+?) 122920 |
keith
Replies: 10
Views: 46098
|
Forum: Other puzzles Posted: Sun Jan 03, 2021 1:15 am Subject: VH (+?) 122920 |
immpy,
Thank you for making my New Year!
First, let me say you are correct. Given the Hidden Rectangle elimination, you have pointed out the links that make the elimination of 3 in r5c3.
I ha ... |
Topic: Another one |
keith
Replies: 7
Views: 38568
|
Forum: Other puzzles Posted: Mon Dec 28, 2020 8:32 pm Subject: Another one |
dongrave and immpy,
Thank you very much for the positive comments. Greatly appreciated.
Keith |
Topic: Printed compilations of Sudoku Puzzles |
keith
Replies: 0
Views: 48302
|
Forum: General discussion Posted: Mon Dec 28, 2020 1:40 am Subject: Printed compilations of Sudoku Puzzles |
I thought I might mention, I do a lot of puzzles from inexpensive books I find at the local "dollar" stores.
There is one series I will gladly recommend, by Papp publishing in Canada. To ... |
Topic: Happy New Year for 2021! |
keith
Replies: 7
Views: 85730
|
Forum: General discussion Posted: Mon Dec 28, 2020 1:05 am Subject: Happy New Year for 2021! |
Here are my best wishes to all for great success in the New Year, however you might choose to measure that.
For myself, I just wish to continue to find cause to be grateful.
Best wishes,
Keit ... |
Topic: Another one |
keith
Replies: 7
Views: 38568
|
Forum: Other puzzles Posted: Sun Dec 27, 2020 10:57 pm Subject: Another one |
ZeroAssoluto is correct, but I have a way of coming at these things that others may find useful.
After basics:
+----------------+----------------+----------------+
| 7 59 2 | 1 4 ... |
Topic: Another one |
keith
Replies: 7
Views: 38568
|
Forum: Other puzzles Posted: Sat Dec 26, 2020 8:23 pm Subject: Another one |
Here is another in my "I told you so" series. Enjoy!
+-------+-------+-------+
| . . . | . 4 . | 6 3 . |
| . . . | 5 . . | . . 1 |
| 8 . . | 3 9 . | 4 . 7 |
+-------+-------+------ ... |
Topic: A nice example |
keith
Replies: 4
Views: 28709
|
Forum: Other puzzles Posted: Tue Jul 07, 2020 12:32 pm Subject: A nice example |
After basics:
+----------------+----------------+----------------+
| 7 9 256 | 35aB 4 8 | 256 1 2356 |
| 8 15 125 | 6 39A 3-5-9| 4 7 235 |
| 56 4 3 | ... |
Topic: A nice example |
keith
Replies: 4
Views: 28709
|
Forum: Other puzzles Posted: Tue Jul 07, 2020 2:41 am Subject: A nice example |
It's been a long time since I posted one:
Puzzle: New Puzzle
+-------+-------+-------+
| 7 . . | . . 8 | . . . |
| . . . | 6 . . | 4 7 . |
| . . 3 | 1 2 . | . 8 . |
+-------+-------+--- ... |
Topic: The Passing of MartyR |
keith
Replies: 7
Views: 93961
|
Forum: General discussion Posted: Wed Mar 18, 2020 10:45 pm Subject: The Passing of MartyR |
All,
I am sorry to let you know that Marty Robinson passed away on the evening of March 16, 2020 [Typo corrected]. He lived in Rochester, NY, USA.
Marty will be remembered by us as the long-time ... |
Topic: Import code into Draw/Play |
keith
Replies: 2
Views: 79787
|
Forum: Site help Posted: Sun Jun 02, 2019 8:00 am Subject: Import code into Draw/Play |
This is what it is.
Try Helmut's site: http://www.saueregger.at/sudoku/
Keith |
Topic: Things I Maybe Should Not Say |
keith
Replies: 16
Views: 231669
|
Forum: General discussion Posted: Sun Aug 12, 2018 10:52 pm Subject: Things I Maybe Should Not Say |
I have a son! I'll ask him about copying web sites.
Keith |
Topic: Things I Maybe Should Not Say |
keith
Replies: 16
Views: 231669
|
Forum: General discussion Posted: Sun Aug 12, 2018 12:42 am Subject: Things I Maybe Should Not Say |
Are you able to ban/delete the previously approved subscribers who clearly have no interest in the forum other than google hits on their Web sites?
It's possible, but difficult. Also, you have no ... |
Topic: Things I Maybe Should Not Say |
keith
Replies: 16
Views: 231669
|
Forum: General discussion Posted: Sat Aug 11, 2018 7:18 pm Subject: Things I Maybe Should Not Say |
enxio27,
I generally agree, but the concerns over this site go back well over a decade. Sam Griffiths-Jones is simply not interested in the discussion list. He has told me that.
It was a battle ... |
Topic: Things I Maybe Should Not Say |
keith
Replies: 16
Views: 231669
|
Forum: General discussion Posted: Fri Aug 10, 2018 10:51 pm Subject: Things I Maybe Should Not Say |
That means for all practical purposes that this forum has no admin or moderator, right?
But Sam - the owner - will take care of that, won't he?
Helmut (Nataraj)
Helmut, I am an Administrator ... |
Topic: Things I Maybe Should Not Say |
keith
Replies: 16
Views: 231669
|
Forum: General discussion Posted: Fri Aug 10, 2018 5:47 pm Subject: Re: Things I Maybe Should Not Say |
Marty tells me he is no longer doing puzzles, and so is not participating in the Forum. I'll miss him. He has been the mainstay here for many years.
That's sad to read.
Helmut does not wa ... |
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