March 30, 2017

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March 30, 2017

Postby ArkieTech » Wed Mar 29, 2017 11:19 pm

Code: Select all
 *-----------*
 |...|65.|...|
 |.43|...|7..|
 |.6.|.2.|..8|
 |---+---+---|
 |.31|2..|..7|
 |..4|1.8|2..|
 |9..|..3|15.|
 |---+---+---|
 |4..|.7.|.8.|
 |..9|...|61.|
 |...|.81|...|
 *-----------*


Play/Print this puzzle online
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Re: March 30, 2017

Postby Leren » Wed Mar 29, 2017 11:30 pm

Code: Select all
*-----------------------------------------------------*
| 28   9    78    | 6    5    47    |d34  c23   1     |
| 25   4    3     | 8    1    9     | 7    26   56    |
| 1    6    57    | 3    2    47    | 459 e49   8     |
|-----------------+-----------------+-----------------|
| 6    3    1     | 2    49   5     | 8   f4-9  7     |
| 57   57   4     | 1    69   8     | 2   b36  a39    |
| 9    28   28    | 7    46   3     | 1    5    46    |
|-----------------+-----------------+-----------------|
| 4    1    25    | 59   7    6     | 359  8    239   |
| 78   78   9     | 45   3    2     | 6    1    45    |
| 3    25   6     | 459  8    1     | 459  7    29    |
*-----------------------------------------------------*

(9=3) r5c9 - r5c8 = r1c8 - (3=4) r1c7 - r3c8 = (4) r4c8 => - 9 r4c8; stte

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Re: March 30, 2017

Postby SteveG48 » Wed Mar 29, 2017 11:55 pm

Code: Select all
 *--------------------------------------------------*
 | 28   9    78   | 6    5    47   |a34  a23   1    |
 | 25   4    3    | 8    1    9    | 7   a26  a56   |
 | 1    6    57   | 3    2    47   | 459  49   8    |
 *----------------+----------------+----------------|
 | 6    3    1    | 2    49   5    | 8    49   7    |
 | 57   57   4    | 1    69   8    | 2    36   39   |
 | 9    28   28   | 7    46   3    | 1    5    46   |
 *----------------+----------------+----------------|
 | 4    1    25   | 59   7    6    | 359  8    239  |
 | 78   78   9    | 45   3    2    | 6    1   b45   |
 | 3    25   6    | 459  8    1    | 59-4 7    29   |
 *--------------------------------------------------*


(4=2356)b3p1256 - (5=4)r8c9 => -4 r9c7 ; stte
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Re: March 30, 2017

Postby Marty R. » Thu Mar 30, 2017 12:22 am

Code: Select all
+----------+-----------+------------+
| 28 9  78 | 6   5  47 | 34  23 1   |
| 25 4  3  | 8   1  9  | 7   26 56  |
| 1  6  57 | 3   2  47 | 459 49 8   |
+----------+-----------+------------+
| 6  3  1  | 2   49 5  | 8   49 7   |
| 57 57 4  | 1   69 8  | 2   36 39  |
| 9  28 28 | 7   46 3  | 1   5  46  |
+----------+-----------+------------+
| 4  1  25 | 59  7  6  | 359 8  239 |
| 78 78 9  | 45  3  2  | 6   1  45  |
| 3  25 6  | 459 8  1  | 459 7  29  |
+----------+-----------+------------+

Play this puzzle online at the Daily Sudoku site

W-Wing (78), b17 with transports,SL8 in c1
7r1c3=7r8c2
7r1c3-(7=52)b1p94-(2=6)r2c8-(6=394)b6p562
7r8c2-(7=82)r81c1-(2=34)r1c87-r3c8=4r4c8=> 4r4c8
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Re: March 30, 2017

Postby SteveG48 » Thu Mar 30, 2017 12:52 am

Marty R. wrote:
Code: Select all
+----------+-----------+------------+
| 28 9  78 | 6   5  47 | 34  23 1   |
| 25 4  3  | 8   1  9  | 7   26 56  |
| 1  6  57 | 3   2  47 | 459 49 8   |
+----------+-----------+------------+
| 6  3  1  | 2   49 5  | 8   49 7   |
| 57 57 4  | 1   69 8  | 2   36 39  |
| 9  28 28 | 7   46 3  | 1   5  46  |
+----------+-----------+------------+
| 4  1  25 | 59  7  6  | 359 8  239 |
| 78 78 9  | 45  3  2  | 6   1  45  |
| 3  25 6  | 459 8  1  | 459 7  29  |
+----------+-----------+------------+

Play this puzzle online at the Daily Sudoku site

W-Wing (78), b17 with transports,SL8 in c1
7r1c3=7r8c2
7r1c3-(7=52)b1p94-(2=6)r2c8-(6=394)b6p562
7r8c2-(7=82)r81c1-(2=34)r1c87-r3c8=4r4c8=> 4r4c8


Good one, Marty, but I was hoping you'd show me how to do the BUG+5! :)
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Re: March 30, 2017

Postby Marty R. » Thu Mar 30, 2017 3:20 am

but I was hoping you'd show me how to do the BUG+5!


I'd love to. Few years ago I solved one with a BUG+6

I tried this one, but ran into a problem on r9. Both killers are 5 and there aren't enough 5s in the row.
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Re: March 30, 2017

Postby Leren » Thu Mar 30, 2017 5:17 am

Apparently Marty wasn't kidding - the BUG+6 move can be found here. I didn't check it but I assume it is correct.

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Re: March 30, 2017

Postby Cenoman » Thu Mar 30, 2017 9:40 am

Code: Select all
 +-----------------+------------------+-------------------+
 | c28   9   d78   |  6     5   d47   | d34    23   1     |
 | c25   4    3    |  8     1    9    |  7     26   56    |
 |  1    6   b57   |  3     2    47   | a45-9  49   8     |
 +-----------------+------------------+-------------------+
 |  6    3    1    |  2     49   5    |  8     49   7     |
 |  57   57   4    |  1     69   8    |  2     36   39    |
 |  9    28   28   |  7     46   3    |  1     5    46    |
 +-----------------+------------------+-------------------+
 |  4    1    25   |  59    7    6    | e359   8    239   |
 |  78   78   9    |  45    3    2    |  6     1   e45    |
 |  3    25   6    |  459   8    1    | e459   7    29    |
 +-----------------+------------------+-------------------+

(5)r3c7 = r3c3 - (5=8)r12c1 - (8=3)r1c367 - (3=9)b9p167 => -9 r3c7; stte

or another (less creative) ALS-XZ rule:
Code: Select all
 +-----------------+------------------+-------------------+
 |  28   9    78   |  6     5    47   |  3-4   23   1     |
 |  25   4    3    |  8     1    9    |  7     26   56    |
 |  1    6    57   |  3     2    47   | a459  a49   8     |
 +-----------------+------------------+-------------------+
 |  6    3    1    |  2     49   5    |  8     49   7     |
 |  57   57   4    |  1     69   8    |  2     36   39    |
 |  9    28   28   |  7     46   3    |  1     5    46    |
 +-----------------+------------------+-------------------+
 |  4    1    25   |  59    7    6    | b359   8   b239   |
 |  78   78   9    |  45    3    2    |  6     1    45    |
 |  3    25   6    |  459   8    1    | b459   7   b29    |
 +-----------------+------------------+-------------------+

(4=5)r3c78 - (5=4)b9p1379 => -4 r1c7; stte

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Re: March 30, 2017

Postby bat999 » Thu Mar 30, 2017 10:02 am

Code: Select all
.------------.-------------.------------------.
| 28  9   78 | 6    5   47 | a34    2-3   1   |
| 25  4   3  | 8    1   9  |  7     26    56  |
| 1   6   57 | 3    2   47 |  459  a49    8   |
:------------+-------------+------------------:
| 6   3   1  | 2    49  5  |  8    b49    7   |
| 57  57  4  | 1    69  8  |  2    b36    39  |
| 9   28  28 | 7    46  3  |  1     5    b46  |
:------------+-------------+------------------:
| 4   1   25 | 59   7   6  |  359   8     239 |
| 78  78  9  | 45   3   2  |  6     1     45  |
| 3   25  6  | 459  8   1  |  459   7     29  |
'------------'-------------'------------------'
(3=9)r1c7,r3c8 - (9=3)r45c8,r6c9 => -3 r1c8; stte
8-)
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Re: March 30, 2017

Postby Marty R. » Thu Mar 30, 2017 2:48 pm

Leren wrote:Apparently Marty wasn't kidding - the BUG+6 move can be found here. I didn't check it but I assume it is correct.

Leren


Leren, I wouldn't have been able to find that if I had tried. I didn't post the six lines of notation to prove it, rather I got lazy and assumed the reader would trust me. But I just now reviewed it and it's correct. A fun puzzle, to be sure.
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Re: March 30, 2017

Postby Sudtyro2 » Thu Mar 30, 2017 7:32 pm

Marty R. wrote:
but I was hoping you'd show me how to do the BUG+5!

I tried this one, but ran into a problem on r9. Both killers are 5 and there aren't enough 5s in the row.

Code: Select all
 *---------------------------------------------------*
 | 28   9    78   | 6    5    47   | 34    23   1    |
 | 25   4    3    | 8    1    9    | 7     26   56   |
 | 1    6    57   | 3    2    47   |g49-5 f49   8    |
 |----------------+----------------+-----------------|
 | 6    3    1    | 2    49   5    | 8    e49   7    |
 | 57   57   4    | 1    69   8    | 2     36   39   |
 | 9    28   28   | 7    46   3    | 1     5   d46   |
 |----------------+----------------+-----------------|
 | 4    1    25   | 59   7    6    | 359   8    239  |
 | 78   78   9    |b45   3    2    | 6     1   c45   |
 | 3    25   6    |a459  8    1    | 459   7    29   |
 *---------------------------------------------------*
Marty,
I don't know how your BUG+n chains work, but I did find multiple Kraken (5)r9 stte solutions in the cluster for digit 5. The only tricky chain was for 5r9c4:
Code: Select all
(5-4)r9c4 = r8c4 - r8c9 = r6c9 - (4=9)r4c8 - r3c8 = (9-5)r3c7; stte.
Does this help any?

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Re: March 30, 2017

Postby Marty R. » Thu Mar 30, 2017 7:46 pm

Sudtyro2 wrote:
Marty R. wrote:
but I was hoping you'd show me how to do the BUG+5!

I tried this one, but ran into a problem on r9. Both killers are 5 and there aren't enough 5s in the row.

Code: Select all
 *---------------------------------------------------*
 | 28   9    78   | 6    5    47   | 34    23   1    |
 | 25   4    3    | 8    1    9    | 7     26   56   |
 | 1    6    57   | 3    2    47   |g49-5 f49   8    |
 |----------------+----------------+-----------------|
 | 6    3    1    | 2    49   5    | 8    e49   7    |
 | 57   57   4    | 1    69   8    | 2     36   39   |
 | 9    28   28   | 7    46   3    | 1     5   d46   |
 |----------------+----------------+-----------------|
 | 4    1    25   | 59   7    6    | 359   8    239  |
 | 78   78   9    |b45   3    2    | 6     1   c45   |
 | 3    25   6    |a459  8    1    | 459   7    29   |
 *---------------------------------------------------*
Marty,
I don't know how your BUG+n chains work, but I did find multiple Kraken (5)r9 stte solutions in the cluster for digit 5. The only tricky chain was for 5r9c4:
Code: Select all
(5-4)r9c4 = r8c4 - r8c9 = r6c9 - (4=9)r4c8 - r3c8 = (9-5)r3c7; stte.
Does this help any?

SteveC


Steve,

I don't understand what you're asking and don't know how the line of notation fits in with the BUG. As to BUG+n chains, there's nothing to them. With 6 possibilities for the BUG killer I saw 6 simple chains all yielding a common outcome.
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Re: March 30, 2017

Postby Sudtyro2 » Thu Mar 30, 2017 7:57 pm

Marty,
OK, I can definitely learn something here! What are the five killer digits needed? What common outcome were you shooting for?

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Re: March 30, 2017

Postby Marty R. » Thu Mar 30, 2017 11:26 pm

Sudtyro2 wrote:Marty,
OK, I can definitely learn something here! What are the five killer digits needed? What common outcome were you shooting for?

SteveC


The six potential killers are 7r4c5=6r5c1=6r5c5=7r7c1=1r9c1=8r9c9=>r3c8=8

I wasn't looking for a common outcome, just hoping there would be one.. I just strung out each of the six to see where it would lead.
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Re: March 30, 2017

Postby Sudtyro2 » Thu Mar 30, 2017 11:56 pm

Marty,
Sorry for the confusion...I thought we were working on the five trivalue cells in the current puzzle. :?:

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