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Aug 11

 
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kragzy



Joined: 01 May 2007
Posts: 112
Location: Australia

PostPosted: Mon Aug 11, 2008 2:55 am    Post subject: Aug 11 Reply with quote

I've always been able to solve puzzles on this site with wings (X, XY and XYZ). But I am stuck on today's at this point:

Code:

+---------------+-------------+------------+
| 39   4   2389 | 123 123 6   | 18  7 5    |
| 35   258 238  | 7   123 9   | 18  4 6    |
| 6    7   1    | 4   5   8   | 3   2 9    |
+---------------+-------------+------------+
| 1    58  68   | 28  4   257 | 267 9 3    |
| 2    9   48   | 38  6   37  | 47  5 1    |
| 7    3   456  | 25  9   1   | 246 8 24   |
+---------------+-------------+------------+
| 34   1   7    | 9   238 23  | 5   6 248  |
| 8    6   259  | 125 127 4   | 29  3 27   |
| 3459 25  239  | 6   378 235 | 249 1 2478 |
+---------------+-------------+------------+


Does this puzzle require some other technique or have I just lost it? If the latter, please break the news to me gently Smile

Cheers
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wapati



Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.

PostPosted: Mon Aug 11, 2008 3:15 am    Post subject: Reply with quote

You have missed a hidden pair, not too important, and an xy-wing. (Important.) Smile
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Mon Aug 11, 2008 5:17 am    Post subject: Reply with quote

wapati wrote:
You have missed a hidden pair, not too important, and an xy-wing. (Important.)

As one who doesn't see hidden pairs, I see them as their complementary subsets, in this case a naked quint.

As to the XY-Wing, I had three candidates in the pivot cell but it worked as an XYZ-Wing for a one-step solution.
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nataraj



Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria

PostPosted: Mon Aug 11, 2008 6:18 am    Post subject: Reply with quote

I did not use the hidden pair/naked quint, but an x-wing (5) r68c34, which opened an xy-wing 58-28-25 in boxes 4 and 5.
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kragzy



Joined: 01 May 2007
Posts: 112
Location: Australia

PostPosted: Mon Aug 11, 2008 7:13 am    Post subject: Reply with quote

Thank you all. Obviously my brain was still numb during this morning's cuppa. A fresh look now after a day of 'cut and thrust' in the office and the XY wing leapt off the page.

Cheers
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cgordon



Joined: 04 May 2007
Posts: 769
Location: ontario, canada

PostPosted: Mon Aug 11, 2008 7:51 pm    Post subject: Reply with quote

Used an x and xy wing but it took a while. I'm still a bit shaken up by traumatic events of past week. My daughter married an American !
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Mon Aug 11, 2008 9:19 pm    Post subject: Reply with quote

cgordon wrote:
Used an x and xy wing but it took a while. I'm still a bit shaken up by traumatic events of past week. My daughter married an American !

You reared her, so look in the mirror for the blame. Laughing
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