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Vanhegan Extreme July 3, 2012

 
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arkietech



Joined: 31 Jul 2008
Posts: 1709
Location: Northwest Arkansas USA

PostPosted: Wed Jul 04, 2012 6:44 am    Post subject: Vanhegan Extreme July 3, 2012 Reply with quote

Code:

 *-----------*
 |9.8|2..|..5|
 |.7.|..3|.8.|
 |..3|...|1.7|
 |---+---+---|
 |.3.|452|..1|
 |...|9.6|...|
 |2..|178|.4.|
 |---+---+---|
 |7.9|...|2..|
 |.5.|7..|.6.|
 |4..|..5|7.9|
 *-----------*
 

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Marty R.



Joined: 12 Feb 2006
Posts: 5123
Location: Rochester, NY, USA

PostPosted: Wed Jul 04, 2012 8:20 pm    Post subject: Reply with quote

Four moves.

Type 6 UR
UR (68), common outcome
W-Wing (16)
AIC setting r2c1<>6
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arkietech



Joined: 31 Jul 2008
Posts: 1709
Location: Northwest Arkansas USA

PostPosted: Thu Jul 05, 2012 12:03 am    Post subject: Reply with quote

Code:
 *-----------------------------------------------------------*
 | 9     146   8     | 2     146   7     |c46    3     5     |
 |a156   7     1246  |a56    1469  3     | 49-6  8    c24    |
 | 56    246   3     | 568   4689  49    | 1     29    7     |
 |-------------------+-------------------+-------------------|
 | 68    3     67    | 4     5     2     | 89    79    1     |
 |b18    14    147   | 9     3     6     | 5     27   b28    |
 | 2     9     5     | 1     7     8     | 3     4     6     |
 |-------------------+-------------------+-------------------|
 | 7     168   9     | 68    468   14    | 2     5     3     |
 | 3     5     12    | 7     29    19    | 48    6     48    |
 | 4     268   26    | 3     268   5     | 7     1     9     |
 *-----------------------------------------------------------*
(6=15)r2c14-(182)r5c19-(246)r1c7,r2c9 => -6r2c7 lclste

Either r2c14 contains a 6 or r1c7=6
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aran



Joined: 19 Apr 2010
Posts: 70

PostPosted: Thu Jul 05, 2012 4:51 pm    Post subject: Reply with quote

Code:
*-----------------------------------------------------------*
 | 9     146   8     | 2     146   7     | 46    3     5     |
 | 156   7     1246  | 56    1469  3     | 469   8     24    |
 | 56    246   3     | 568   4689  49    | 1     29    7     |
 |-------------------+-------------------+-------------------|
 | 68    3     67    | 4     5     2     | 89    79    1     |
 | 18    14    147   | 9     3     6     | 5     27    28    |
 | 2     9     5     | 1     7     8     | 3     4     6     |
 |-------------------+-------------------+-------------------|
 | 7     168   9     | 68    468   14    | 2     5     3     |
 | 3     5     12    | 7     29    19    | 48    6     48    |
 | 4     268   26    | 3     268   5     | 7     1     9     |
 *-----------------------------------------------------------
Not a very serious solution

DL-ALS 12467r2489c3 248r25c9
4-4
8-7 : (8-2)r5c9=(2-7)r5c8=7r4c8
{12674] {482}
=><4>r2c57 <1>r5c3
=>r8c3=1 ste
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Thu Jul 05, 2012 6:26 pm    Post subject: Reply with quote

aran wrote:
Not a very serious solution

DL-ALS 12467r2489c3 248r25c9
4-4
8-7 : (8-2)r5c9=(2-7)r5c8=7r4c8
{12674] {482}
=><4>r2c57 <1>r5c3
=>r8c3=1 ste

Hmmm! I must be missing something. You indicate r2c57<>4, r5c3<>1, and r8c3=1 leading to ste. I need several more steps. Did you mean SSTE?
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aran



Joined: 19 Apr 2010
Posts: 70

PostPosted: Fri Jul 06, 2012 1:30 pm    Post subject: Reply with quote

daj95376 wrote:
aran wrote:
Not a very serious solution

DL-ALS 12467r2489c3 248r25c9
4-4
8-7 : (8-2)r5c9=(2-7)r5c8=7r4c8
{12674] {482}
=><4>r2c57 <1>r5c3
=>r8c3=1 ste

Hmmm! I must be missing something. You indicate r2c57<>4, r5c3<>1, and r8c3=1 leading to ste. I need several more steps. Did you mean SSTE?


<4>r2c57 =>NQ1569r2c1467=><1>r2c3
so yes there was a step before ste (...but not several !)
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Fri Jul 06, 2012 5:39 pm    Post subject: Reply with quote

aran wrote:
<4>r2c57 =>NQ1569r2c1467=><1>r2c3
so yes there was a step before ste (...but not several !)

Well, then you must know something that my solver doesn't !!!

Code:
 after basics
 +--------------------------------------------------------------+
 |  9     146   8     |  2     146   7     |  46    3     5     |
 |  156   7     1246  |  56    1469  3     |  469   8     24    |
 |  56    246   3     |  568   4689  49    |  1     29    7     |
 |--------------------+--------------------+--------------------|
 |  68    3     67    |  4     5     2     |  89    79    1     |
 |  18    14    147   |  9     3     6     |  5     27    28    |
 |  2     9     5     |  1     7     8     |  3     4     6     |
 |--------------------+--------------------+--------------------|
 |  7     168   9     |  68    468   14    |  2     5     3     |
 |  3     5     12    |  7     29    19    |  48    6     48    |
 |  4     268   26    |  3     268   5     |  7     1     9     |
 +--------------------------------------------------------------+
 # 53 eliminations remain

Code:
 after r2c57<>4, r5c3<>1
 +--------------------------------------------------------------+
 |  9     146   8     |  2     146   7     |  46    3     5     |
 |  156   7     1246  |  56    169   3     |  69    8     24    |
 |  56    246   3     |  568   4689  49    |  1     29    7     |
 |--------------------+--------------------+--------------------|
 |  68    3     67    |  4     5     2     |  89    79    1     |
 |  18    14    47    |  9     3     6     |  5     27    28    |
 |  2     9     5     |  1     7     8     |  3     4     6     |
 |--------------------+--------------------+--------------------|
 |  7     168   9     |  68    468   14    |  2     5     3     |
 |  3     5     12    |  7     29    19    |  48    6     48    |
 |  4     268   26    |  3     268   5     |  7     1     9     |
 +--------------------------------------------------------------+
 # 50 eliminations remain

 r2      Naked  Quad                     <> 1569 r2c3

_        Hidden Single                   =  1    r8c3   specifically shown

   c2    Naked  Triple                   <> 268  r1c2

 <29+6>  XY-Wing  r3c8/r2c7+r3c2         <> 6    r2c1   -or-
 <89+6>  XY-Wing  r4c7/r2c7+r4c1         <> 6    r2c1

 r3  b1  Locked Candidate 1              <> 6    r3c45

 <56+1>  XY-Wing  r2c4/r1c5+r2c1         <> 1    r1c2,r2c5

         ste
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aran



Joined: 19 Apr 2010
Posts: 70

PostPosted: Sat Jul 07, 2012 12:53 pm    Post subject: Reply with quote

daj95376 wrote:

Well, then you must know something that my solver doesn't !!!


daj
Apologies
I had "F11"ed the puzzle from that position through SSTS, which began on a singles roll, deviously lulling me into a false sense of ste !
So you're right, it was SSTSte
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Sat Jul 07, 2012 3:38 pm    Post subject: Reply with quote

aran wrote:
Apologies
I had "F11"ed the puzzle from that position through SSTS, which began on a singles roll, deviously lulling me into a false sense of ste !
So you're right, it was SSTSte

I've done that as well. I'm glad we have it cleared up.

Regards, Danny
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