Steve Hodoku 1-24-2023

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Steve Hodoku 1-24-2023

Postby SteveG48 » Tue Jan 24, 2023 12:39 pm

Code: Select all
 *-----------*
 |...|...|.95|
 |82.|...|...|
 |.4.|.61|..3|
 |---+---+---|
 |1..|28.|.4.|
 |6..|.4.|..2|
 |.8.|.57|..6|
 |---+---+---|
 |5..|42.|.6.|
 |...|...|.24|
 |21.|...|...|
 *-----------*
Steve
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Re: Steve Hodoku 1-24-2023

Postby jco » Tue Jan 24, 2023 2:06 pm

After basics
Code: Select all
.------------------------------------------------------------.
| F37    6     1     | 8    E37    2     | 4     9     5     |
|  8     2     359   | 359   39    4     | 6     17    17    |
|  79    4     579   | 579   6     1     | 2     8     3     |
|--------------------+-------------------+-------------------|
|  1     5    d39    | 2     8     6     | 379   4    e79    |
|  6    c379  c379   | 1     4    b39    | 8     5     2     |
|  4     8     2     | 39    5     7     | 139   13    6     |
|--------------------+-------------------+-------------------|
|  5    A7-39  8     | 4     2    a39    | 1379  6    f179   |
|GB379  B379   6     |C379   1     8     | 5     2     4     |
|  2     1     4     | 6    D379   5     | 379   37    8     |
'------------------------------------------------------------'

1. (9=3)r7c6 - (3)r5c6 = (3)r5c23 - (3=9)r4c3 - (9)r4c9 = (9)r7c9 => -9 r7c2
2. (7)r7c2 = (7)r8c12 - (7)r8c4 = (7)r9c5 - (7=3)r1c5 - (3)r1c1 = (3)r8c1 => -3 r7c2; ste
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Re: Steve Hodoku 1-24-2023

Postby Hajime » Tue Jan 24, 2023 4:44 pm

After Singles:
NakedPair (17)r2c89 => (-7)r2c3 (-7)r2c4 (-7)r2c5
Pointing, Claiming (7)b6,r4 => (-7)r4c3
Turbot Crane (7)r1c1=r1c5-r9c5=r8c4 => (-7)r8c1
Pointing, Claiming (7)c1,b1 => (-7)r3c3 | (7)b7,c2 => (-7)r5c2
r5c3=7 Hidden Single in row 5
Turbot Crane (9)r5c2=r4c3-r4c9=r7c9 => (-9)r7c2
Pointing, Claiming (9)b7,r8 => (-9)r8c4
XY-wing (7)(7=9)r3c1-(9=3)r8c1-(3=7)r8c4 => (-7)r3c4
stte

A Turbot Crane is an X-chain with length of 4 cells
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Re: Steve Hodoku 1-24-2023

Postby Ngisa » Tue Jan 24, 2023 6:11 pm

Code: Select all
+-------------------+------------------+-------------------+
| 37     6      1   | 8      37     2  | 4       9     5   |
| 8      2      59-3| 359   a39     4  | 6       17    17  |
| 79     4      579 | 579    6      1  | 2       8     3   |
+-------------------+------------------+-------------------+
| 1      5     f39  | 2      8      6  |e379     4     79  |
| 6      379    379 | 1      4      39 | 8       5     2   |
| 4      8      2   | 39     5      7  |d139    d13    6   |
+-------------------+------------------+-------------------+
| 5      379    8   | 4      2      39 | 1379    6     179 |
| 379    379    6   | 379    1      8  | 5       2     4   |
| 2      1      4   | 6     b379    5  |c379     37    8   |
+-------------------+------------------+-------------------+

(3=9)r2c5 - r9c5 - r7c5 - (9=1|3)r6c78 - (3)r4c7 = (3)r4c3 => - 3r2c3; stte


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Re: Steve Hodoku 1-24-2023

Postby P.O. » Tue Jan 24, 2023 6:31 pm

basics:
Hidden Text: Show
Code: Select all
( n1r8c5   n2r6c3   n2r3c7   n2r1c6   n4r9c3   n4r2c6   n4r6c1
  n4r1c7   n6r4c6   n6r2c7   n8r3c8   n8r1c4   n1r1c3   n6r9c4
  n6r8c3   n6r1c2   n8r5c7   n8r7c3   n8r9c9   n8r8c6   n5r9c6
  n5r5c8   n5r8c7   n1r5c4   n5r4c2 )

intersections:
((((7 0) (4 7 6) (3 7 9)) ((7 0) (4 9 6) (7 9)))
 (((7 0) (2 8 3) (1 7)) ((7 0) (2 9 3) (1 7))))

Code: Select all
9r47c9 => r1c1 <> 7
 r4c9=9 - r4c3{n9 n3} - b1n3{r2c3 r1c1}
 r7c9=9 - r9n9{c7 c5} - c5n7{r9 r1}
 
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