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Glyn Samurai #3 (Chief Wizard)
http://www.rcbroughton.co.uk/sudoku/forum/viewtopic.php?f=16&t=425		 Page 1 of 1
Author:  Børge [ Sun Mar 01, 2009 9:34 pm ]
Post subject:  Glyn Samurai #3 (Chief Wizard)
Glyn Samurai #3A (Chief Wizard)

Rating based on required solving techniques:  Hellish Nightmare   Solvable using logic only?

Image

000000000700000400006497580050000001009004020000210004020000000030089000060020000
080003506000800003000400000000002608000000010572000000000100002000200900000000040
000000000000000000000706000300000700001600500000090004000040000000350000000000000
070000000040000000000060000000710020700003000820000400002300000000020089006085000
000012005000000070000000000200960100004200600000070300040000561103007020002090000

0 Logical Solve
1 Recursively Solve: Unique solution found with 23 guesses, 285836 nodes traversed

OR

12 Naked Single
32 Hidden Single
30 Intersection
1 Naked Pair
2 Finned X-Wing
1 XY-X-Chain up to 3 links
1 Grouped XY-Chain up to 3 links
2 Grouped XY-Chain
2 Hidden Unique Rectangle
2 ALS-XZ
1 Recursively Solve: Unique solution found with 17 guesses, 113769 nodes traversed



Glyn Samurai #3B (Chief Wizard)

Rating based on required solving techniques:  Hellish Nightmare   Solvable using logic only?

Image

000000000700000400306407580050000001009004020000210004020000000030089000060020000
080003506000800003000400000000002608000000010572000000000100002000200900000000040
000000000000000000000706000300000700001600500000090004000040000000350000000000000
070000000040000000000060000000710020700003000820000400002300000000020089006085000
000012005000000070000000000200960100004200600000070300040000561103007020002090000

0 Logical Solve
1 Recursively Solve: Unique solution found with 22 guesses, 270291 nodes traversed

OR

12 Naked Single
32 Hidden Single
29 Intersection
1 Naked Pair
2 Finned X-Wing
1 XY-X-Chain up to 3 links
1 Grouped XY-Chain up to 3 links
2 Grouped XY-Chain
1 Hidden Unique Rectangle
2 ALS-XZ
1 Recursively Solve: Unique solution found with 17 guesses, 113769 nodes traversed
Author:  tarek [ Mon Mar 02, 2009 10:10 am ]
Post subject:  Re: Glyn Samurai #3 (Chief Wizard)
Glyn ???
Author:  Børge [ Mon Mar 02, 2009 1:46 pm ]
Post subject:  Re: Glyn Samurai #3 (Chief Wizard)
tarek wrote:
Glyn ???
One of the three moderators over at the "Sudoku Players' Forums". :study:

He used to be pretty active here, but I have not heard from him in a while. Sent him a PM some time ago, which is still in the outbox, i.e. he has not read it yet.
Hopefully, he is OK.

Here in the Samurai topic there are also the threads "Glyn Samurai #1" and "Glyn Samurai #2". He was looking for Samurai puzzles not solvable using logic only, hence the naming. And preferably puzzles more difficult than Ruud's (in)famous "Ronin Samurai-X".

Glyn Samurai #3 just popped up during the creation of the Regular Samurai #57 puzzles, so I just decided to post it and continue the numbering.

Hopefully this answers your question(s).
Author:  tarek [ Mon Mar 02, 2009 2:29 pm ]
Post subject:  Re: Glyn Samurai #3 (Chief Wizard)
For a 1 word question .... Your answer flooded me, thanks

I have posted 1 similar one in the past (Samurai 40) ....

I have some experience in generating difficult puzzles .... Vanillas are my specialty ... For Samurai, I haven't tweaked my solver to handle all of this & I would expect it to perform poorly.

The way in how this progressed previously was to get NO singles in the start .... Then reach a no simple technique in the start to finally guessing from the start.

Back in 2006 (>3 years now) , one of your countrymen "vidarino", posted a monster puzzle in player's forums that got the ball rolling in that direction.
http://www.sudoku.com/boards/viewtopic.php?t=3198&postdays=0&postorder=asc&start=0

I know who Glyn is. It was strange to me that you started a post having his name in it.
Author:  Børge [ Tue Mar 03, 2009 7:09 pm ]
Post subject:  Re: Glyn Samurai #3 (Chief Wizard)
tarek wrote:
For a 1 word question .... Your answer flooded me, thanks
From a 1 word question I personally have a hard time grasping exactly what the questioner wants to know.
But that might be a gene deficit I have .....

tarek wrote:
I have posted 1 similar one in the past (Samurai 40) ....
I noticed, and a very good one. So your solver seems to do an excellent job. When I eventually some 15 years from now hopefully become a pensioner, I might try solving it using forcing chains and/or nets.
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