Daily Telegraph Diabolical April 5, 2013

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Daily Telegraph Diabolical April 5, 2013

Postby ArkieTech » Sun Apr 07, 2013 2:55 am

Code: Select all
 *-----------*
 |79.|..2|..1|
 |...|.8.|...|
 |..2|.7.|6..|
 |---+---+---|
 |.1.|4.6|7..|
 |.67|...|23.|
 |..3|7.5|.1.|
 |---+---+---|
 |..8|.9.|5..|
 |...|.5.|...|
 |3..|6..|.92|
 *-----------*


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Re: Daily Telegraph Diabolical April 5, 2013

Postby Leren » Sun Apr 07, 2013 10:50 am

Code: Select all
*--------------------------------------------------------------*
| 7     9     45     | 35    6     2      | 38   d458   1      |
| 1456  345   1456   | 1359  8     1349   | 39    2     7      |
| 1458  3458  2      | 1359  7     1349   | 6    d45   c359    |
|--------------------+--------------------+--------------------|
| 2     1    a59     | 4     3     6      | 7     8-5  b589    |
| 45    6     7      | 89    1     89     | 2     3     45     |
| 489   48    3      | 7     2     5      | 49    1     6      |
|--------------------+--------------------+--------------------|
| 146   247   8      | 123   9     137    | 5     67    34     |
| 1469  247   1469   | 1238  5     1378   | 1348  67    348    |
| 3     57    15     | 6     4     178    | 18    9     2      |
*--------------------------------------------------------------*

m-wing: (5=9) r4c3 - r4c9 = (9-5) r3c9 = r13c8 => -5 r4c8; stte

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Re: Daily Telegraph Diabolical April 5, 2013

Postby eleven » Sun Apr 07, 2013 12:14 pm

Easy to spot:
(8=34)r78c9-(4=5)r5c9-(5=8)r4c8 => r8c9=8
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Re: Daily Telegraph Diabolical April 5, 2013

Postby Ngisa » Sun Apr 07, 2013 4:17 pm

Dual Cell Forcing Chain:
(4=9)r6c7-(9=3)r2c7-(3=8)r1c7-(8=1)r9c7-(1=5)r9c3-(5=7)r9c2-(7=42)r78c2 => r6c2<>4; stte.
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Re: Daily Telegraph Diabolical April 5, 2013

Postby pjb » Sun Apr 07, 2013 8:38 pm

(5=4) r4c3, r6c12 - (4=9) r6c7 - (9=5) r4578c9 => r4c8 <> 5

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Re: Daily Telegraph Diabolical April 5, 2013

Postby Leren » Sun Apr 07, 2013 11:25 pm

eleven wrote:Easy to spot:
(8=34)r78c9-(4=5)r5c9-(5=8)r4c8 => r8c9=8

Nice catch. I think you meant (8=34)r78c9-(4=5)r5c9-(5=8)r4c8 => r4c9<>8

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Re: Daily Telegraph Diabolical April 5, 2013

Postby Marty R. » Mon Apr 08, 2013 4:57 am

Code: Select all
+----------------+-------------+--------------+
| 7    9    45   | 35   6 2    | 38   458 1   |
| 1456 345  1456 | 1359 8 1349 | 39   2   7   |
| 1458 3458 2    | 1359 7 1349 | 6    45  359 |
+----------------+-------------+--------------+
| 2    1    59   | 4    3 6    | 7    58  589 |
| 45   6    7    | 89   1 89   | 2    3   45  |
| 489  48   3    | 7    2 5    | 49   1   6   |
+----------------+-------------+--------------+
| 146  247  8    | 123  9 137  | 5    67  34  |
| 1469 247  1469 | 1238 5 1378 | 1348 67  348 |
| 3    57   15   | 6    4 178  | 18   9   2   |
+----------------+-------------+--------------+

Play this puzzle online at the Daily Sudoku site

(5=1)r9c3-(1=8)r9c7-r8c9=r4c9-(8=5)r4c8=>r4c3<>5
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Re: Daily Telegraph Diabolical April 5, 2013

Postby eleven » Mon Apr 08, 2013 8:19 am

Leren wrote:Nice catch. I think you meant (8=34)r78c9-(4=5)r5c9-(5=8)r4c8 => r4c9<>8

Yes, i left this step out to get a number, thanks.
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