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Jan 25 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

PostPosted: Sat Jan 24, 2015 10:27 pm    Post subject: Jan 25 VH Reply with quote

Code:

+-----------+--------+--------------+
| 7  3   5  | 1 2  4 | *89  89   6   |
| 4  19  19 | 8 5  6 | 3   2    7   |
| 2  68  68 | 3 9  7 | 14  14   5   |
+-----------+--------+--------------+
| 5  146 7  | 9 68 3 | 2   148  148 |
| 3  89  2  | 7 4  1 | 6   5    89  |
| 89 146 16 | 2 68 5 | 7   1489 3   |
+-----------+--------+--------------+
| 1  2   49 | 6 3  8 | 5   7    *49  |
| 6  7   48 | 5 1  9 | #48  3    2   |
| 89 5   3  | 4 7  2 | 18-9 6    189 |
+-----------+--------+--------------+
XY-Wing 48-9 pivoted in r8c7; r9c7<>9; stte
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Marty R.



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

PostPosted: Sun Jan 25, 2015 6:37 am    Post subject: Reply with quote

Also works with the 49-8 wing pivoted in r7c9 => r9c9<>8.
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Lee



Joined: 10 Jun 2014
Posts: 24
Location: San Francisco

PostPosted: Sun Jan 25, 2015 1:08 pm    Post subject: Jan 25 VH Reply with quote

Looks like a chain of 89's will also do it.

r9c1, r6c1, r5c2, r5c9 leaving r9c9 = 1

Seems a bit unusual.
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

PostPosted: Mon Jan 26, 2015 9:38 pm    Post subject: Re: Jan 25 VH Reply with quote

Lee wrote:
Looks like a chain of 89's will also do it.

r9c1, r6c1, r5c2, r5c9 leaving r9c9 = 1

Seems a bit unusual.
They are called Remote Pairs
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Lee



Joined: 10 Jun 2014
Posts: 24
Location: San Francisco

PostPosted: Tue Jan 27, 2015 12:46 pm    Post subject: Jan 25 VH Reply with quote

Thanks for the info Clement.

Remote Pairs sounds a lot better than something like

double double u wing. Very Happy
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