| View previous topic :: View next topic |
| Author |
Message |
storm_norm
Joined: 18 Oct 2007
Posts: 1741
|
 Posted: Mon Jun 15, 2009 5:22 pm Post subject: MM 1433 and 1435 |
 |
|
#1433
| Code: | . . .|8 . 2|. . 1
. . .|4 7 .|3 . .
. 5 .|. . .|. 4 .
-----+-----+-----
. 1 8|. 9 .|7 . .
. . 9|6 . 3|1 . .
. . 5|. 8 .|9 2 .
-----+-----+-----
. 8 .|. . .|. 6 .
. . 6|. . 8|. . .
3 . .|7 . 1|. . . |
---------
#1435
| Code: | . . .|3 . .|5 . .
2 9 .|. 6 .|. 1 8
. 5 .|. 8 .|. 3 .
-----+-----+-----
. . .|1 . 4|. 2 .
. . 9|. . .|7 . .
. . .|2 . 8|. . .
-----+-----+-----
. 7 .|. 4 .|. 6 .
8 6 .|. 2 .|. . 7
. . 1|. . 6|. . . |
|
|
| Back to top |
|
 |
arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
|
| Posted: Mon Jun 15, 2009 6:10 pm Post subject: |
|
|
1433
| Code: | *-----------------------------------------------------------*
| 49 469 34 | 8 *35 2 |-56 7 1 |
| 128 26 12 | 4 7 569 | 3 589 2589 |
| 278 5 237 |c39 1 b69 |a68 4 289 |
|-------------------+-------------------+-------------------|
| 246 1 8 | 25 9 45 | 7 3 456 |
| 247 247 9 | 6 245 3 | 1 58 458 |
| 46 3 5 | 1 8 7 | 9 2 46 |
|-------------------+-------------------+-------------------|
| 1579 8 17 | 2359 2345 459 | 24 6 37 |
| 579 79 6 | 2359 2345 8 | 24 1 37 |
| 3 24 24 | 7 6 1 |*58 589 589 |
*-----------------------------------------------------------*
xy-chain is all that is needed. |
1435
I needed: | Quote: | sky 3
kite 5
x-wing 5
xyz-wing 573 |
|
|
| Back to top |
|
|
storm_norm
Joined: 18 Oct 2007
Posts: 1741
|
| Posted: Tue Jun 16, 2009 4:56 am Post subject: |
|
|
#1435
| Code: | .---------------.---------------.---------------.
| 6 48 48 | 3 1 2 | 5 7 9 |
| 2 9 3 | 5 6 7 | 4 1 8 |
| 1 5 7 | 4 8 9 | 2 3 6 |
:---------------+---------------+---------------:
| 357 38 568 | 1 79 4 | 369 2 *35 |
| 4 2 9 | 6 35 35 | 7 8 1 |
| 357 1 56 | 2 79 8 | 369 *59 4 |
:---------------+---------------+---------------:
| 359 7 2 | 8 4 U135 |U139 6 3-5 |
| 8 6 45 | 9 2 U13 |U13 45 7 |
| 359 34 1 | 7 35 6 | 8 *459 2 |
'---------------'---------------'---------------' |
UR13[(5)r7c6 = (9)r7c7] - (9)r9c8 = (9-5)r6c8 = (5)r4c9; r7c9 <> 5
notice how this is also known as a M-wing. |
|
| Back to top |
|
|
Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
|
| Posted: Sat Jun 20, 2009 7:39 pm Post subject: |
|
|
Dan,
On 1433, I used a couple of URs and got stuck, looking for, but unable to find, an XY-Chain. Yours is very evident with the pincers marked with asterisks. However, what is the significance of the cells marked abc? |
|
| Back to top |
|
|
arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
|
| Posted: Sat Jun 20, 2009 8:53 pm Post subject: |
|
|
| Marty R. wrote: | Dan,
On 1433, I used a couple of URs and got stuck, looking for, but unable to find, an XY-Chain. Yours is very evident with the pincers marked with asterisks. However, what is the significance of the cells marked abc? |
I was just trying to show the chain...not very well 
* works to show the pinchers but how do you show the links of the chain?  |
|
| Back to top |
|
|
Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
|
| Posted: Sat Jun 20, 2009 9:10 pm Post subject: |
|
|
| Quote: | | * works to show the pinchers but how do you show the links of the chain? |
Not fancy notation, but the way I describe those things is:
R1c5=3-->r3c4=9-->r3c6=6-->r3c7=8-->r9c7=5. I suppose if I were to show it, I'd show the five cells as abcde and state that the cells should be followed alphabetically. But I'm sure that's a very non-standard way of doing things, although it's been used here a lot until Eureka became more heavily used. |
|
| Back to top |
|
|
Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
|
| Posted: Sun Jun 21, 2009 4:46 am Post subject: |
|
|
| 1435 wasn't very diabolical. A Type 4 UR on 13 and a 351 XY-Wing did it. |
|
| Back to top |
|
|
tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
|
| Posted: Sun Jun 21, 2009 3:13 pm Post subject: |
|
|
For 1433, I used an extended xy-wing 359 with pivot 39 in r3c4 and pincer 35 in r1c5. The extended 95 pincer is 96 => 68 => 85 to delete 5 from r1c7.
I looking at the previous posts, I realize this is the identical to the xy-chain found by Dan. I have a terrible time finding xy-chains but have more luck with extending xy-wings which really become xy-chains as in this puzzle.
Ted |
|
| Back to top |
|
|
tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
|
| Posted: Sun Jun 21, 2009 3:28 pm Post subject: |
|
|
For 1435, I used the same two steps as posted by Marty.
Ted |
|
| Back to top |
|
|
|
FAQ
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
