March 4, 2020

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March 4, 2020

Postby tarek » Wed Mar 04, 2020 10:37 pm

Code: Select all
+-------+-------+-------+
| . . . | 3 6 . | . 8 . |
| . . . | . . 8 | 2 1 4 |
| . . . | . 2 . | . . 5 |
+-------+-------+-------+
| 8 . . | . . 1 | . 7 . |
| 3 . 5 | . . 6 | . . . |
| . 2 . | 4 7 . | . . . |
+-------+-------+-------+
| . 9 . | . . . | . . . |
| 2 1 . | 8 . . | . . 3 |
| . 8 7 | . . . | . 4 . |
+-------+-------+-------+
...36..8......8214....2...58....1.7.3.5..6....2.47.....9.......21.8....3.87....4.

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Re: March 4, 2020

Postby Leren » Thu Mar 05, 2020 12:09 am

Code: Select all
*----------------------------------------*
| 1 5 2 | 3    6  4   | 79    8     79   |
| 6 3 9 | 7    5  8   | 2     1     4    |
| 7 4 8 | 1    2  9   | 36    36B   5    |
|-------+-------------+------------------|
| 8 6 4 | 259 b39 1   |b35    7    b29   |
| 3 7 5 | 29   8  6   | 4     29    1    |
| 9 2 1 | 4    7  35b | 3568  356B  68   |
|-------+-------------+------------------|
| 4 9 3 | 56   1  257 | 5678  256B  2678 |
| 2 1 6 | 8    4  57b |a579aA 59B   3    |
| 5 8 7 | 69   39 23b | 1     4    c6-2c |
*----------------------------------------*

3 Petal Death Blossom: Stem Cell r8c7 {579};

5 r8c7 - (5=2) r4c579  - 2 r9c9;

7 r8c7 - (7=2) r689c6  - 2 r9c9;

9 r8c7 - (9=2) r3678c8 - 2 r9c9; => - 2 r9c9; stte

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Re: March 4, 2020

Postby SteveG48 » Thu Mar 05, 2020 12:30 am

Code: Select all
 *-------------------------------------------------------------*
 | 1     5     2     |  3      6     4     | 79    8     79    |
 | 6     3     9     |  7      5     8     | 2     1     4     |
 | 7     4     8     |  1      2     9     | 36    36    5     |
 *-------------------+---------------------+-------------------|
 | 8     6     4     |  59-2 be39    1     |d35    7    e29    |
 | 3     7     5     |ab29     8     6     | 4    b9-2   1     |
 | 9     2     1     |  4      7    b35    | 3568  356   68    |
 *-------------------+---------------------+-------------------|
 | 4     9     3     |  56     1     257   | 5678  256   2678  |
 | 2     1     6     |  8      4    c57    |d579 bc59    3     |
 | 5     8     7     |  69     39    23    | 1     4     26    |
 *-------------------------------------------------------------*


2r5c4 = (395)b5p249&(29)r58c8 - 5r8c68 = (53)r48c7 - (3=92)r4c79 => -2 r4c4,r5c8 ; stte
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Re: March 4, 2020

Postby pjb » Thu Mar 05, 2020 7:23 am

Code: Select all
 1       5       2      | 3      6      4      |d79     8     c79     
 6       3       9      | 7      5      8      | 2      1      4     
 7       4       8      | 1      2      9      | 36     36     5     
------------------------+----------------------+---------------------
 8       6       4      |a259a   39     1      | 35b    7     b29     
 3       7       5      | 29     8      6      | 4      29     1     
 9       2       1      | 4      7      35d    | 3568c 356c   68     
------------------------+----------------------+---------------------
 4       9       3      | 56     1      257    | 5678   256    2678   
 2       1       6      | 8      4      57e    |e579f   59     3     
 5       8       7      | 69     39     23     | 1      4      26     

If 2 at r4c4 is true, 9 at r8c7 is both true and false
(2)r4c4 - (2=9)r4c9 - (9=7)r1c9 - (7=9)r1c7 - (9)r8c7
(2-5)r4c4 = r4c7* - r6c78 = r6c6 - (5=7)r8c6 - (57=9)r8c7* => -2 r4c4; stte

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Re: March 4, 2020

Postby Cenoman » Thu Mar 05, 2020 10:47 am

Code: Select all
 +-----------------+-------------------+----------------------+
 |  1    5    2    |  3     6    4     |  79     8     79     |
 |  6    3    9    |  7     5    8     |  2      1     4      |
 |  7    4    8    |  1     2    9     |  36     36    5      |
 +-----------------+-------------------+----------------------+
 |  8    6    4    | c259* e39   1     | c35*    7     2-9    |
 |  3    7    5    |  2-9   8    6     |  4     a29    1      |
 |  9    2    1    |  4     7   d35    |  3568   356   68     |
 +-----------------+-------------------+----------------------+
 |  4    9    3    |  56    1    257   |  5678   256   2678   |
 |  2    1    6    |  8     4   c57*   | c579*  b59    3      |
 |  5    8    7    |  69    39   23    |  1      4     26     |
 +-----------------+-------------------+----------------------+

Almost skyscraper
(9)r5c8 = (9-5)r8c8 = [(5)r8c6=r8c7-r4c7=r4c4] - (5=3)r6c6 - (3=9)r4c5 => -9 r4c9, r5c4; ste
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Re: March 4, 2020

Postby SteveG48 » Thu Mar 05, 2020 3:25 pm

Cenoman wrote:Almost skyscraper
(9)r5c8 = (9-5)r8c8 = [(5)r8c6=r8c7-r4c7=r4c4] - (5=3)r6c6 - (3=9)r4c5 => -9 r4c9, r5c4; ste


Oooh, that's nice!
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Re: March 4, 2020

Postby tarek » Thu Mar 05, 2020 6:45 pm

Nice!!! BTW I did also notice that BUG+3 node from yesterday :D
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Re: March 4, 2020

Postby eleven » Thu Mar 05, 2020 7:54 pm

Code: Select all
 *------------------------------------------------------*
 |  1  5  2  |  3     6    4     | d79     8    e79     |
 |  6  3  9  |  7     5    8     |  2      1     4      |
 |  7  4  8  |  1     2    9     |  36     36    5      |
 |-----------+-------------------+----------------------|
 |  8  6  4  |  259  a39   1     | b35     7     2-9    |
 |  3  7  5  |  29    8    6     |  4      29    1      |
 |  9  2  1  |  4     7   b35    |  3568   356   68     |
 |-----------+-------------------+----------------------|
 |  4  9  3  |  56    1    257   |  5678   256   2678   |
 |  2  1  6  |  8     4   c57    | c579    59    3      |
 |  5  8  7  |  69    39   23    |  1      4     26     |
 *------------------------------------------------------*

(9=3)r4c5 - (3=5)r4c7&r6c6 - (5=79)r8c67 - r1c7 = 9r1c9 => -9r4c9, stte
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Re: March 4, 2020

Postby Cenoman » Thu Mar 05, 2020 9:22 pm

Many thanks, Steve and tarek ! But...
eleven wrote:(9=3)r4c5 - (3=5)r4c7&r6c6 - (5=79)r8c67 - r1c7 = 9r1c9 => -9r4c9, stte
How to qualify this ?
So, summarizing:
good solutions are quickly posted,
nice ones come a little later,
and for awesome ones, just wait eleven's ! :D
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Re: March 4, 2020

Postby eleven » Thu Mar 05, 2020 10:23 pm

Thx, Cenoman.
It's not a perfect AIC with the missing '|' for the 5 in r8c67, but i think, easy to follow.
This looks better reading from right to left:
(9=3)r4c5 - (3=5)r4c7&r6c6 - (57=9)r8c67 - r1c7 = 9r1c9

[Added:] still not correct (SpAce would have pointed out for sure) , should be something like
(9=3)r4c5 - 3r4c7|r6c6 = 5r4c7&r6c6 - (57=9)r8c67 - r1c7 = 9r1c9
However, to find it is easier than to formulate it in AIC.
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Re: March 4, 2020

Postby SteveG48 » Fri Mar 06, 2020 3:26 pm

I think all of the versions you've posted are fine, and I think SpAce would agree. It would be nice to have him back.
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Re: March 4, 2020

Postby Cenoman » Fri Mar 06, 2020 4:33 pm

eleven wrote:... should be something like
(9=3)r4c5 - 3r4c7|r6c6 = 5r4c7&r6c6 - (57=9)r8c67 - r1c7 = 9r1c9

Yes, this is consistent with the formal logic point of view.
I didn't notice the slight incorrectness. Just saw the nice key weak link : ... 5r4c7&r6c6 - 5r8c67...
SpAce spotted such deviations, often adding that they might be tolerated (as far as the author's intention is clear).
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