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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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 Posted: Sat Oct 31, 2009 3:46 pm Post subject: Free Press Thursday October 29, 2009 |
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An unexpected VH: | Code: | Puzzle: FP102909
+-------+-------+-------+
| . . 7 | . 6 . | . . . |
| 6 . . | 5 . . | . . . |
| . 1 . | 8 4 7 | . 2 . |
+-------+-------+-------+
| 9 . . | . . . | . . 4 |
| . 2 6 | . . . | . 5 . |
| 5 . . | . . . | . . 9 |
+-------+-------+-------+
| . 8 . | 7 2 1 | . 9 . |
| . . . | . 3 6 | . . 7 |
| . . . | . 8 . | 3 . . |
+-------+-------+-------+ |
Keith |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Oct 31, 2009 5:12 pm Post subject: |
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| Interesting one. A UR was apparent before most of the pencil marks were made. A W-Wing with pincer transport was followed by an unhelpful XYZ-Wing. Then another W-Wing, followed by a DP in boxes 789 finished it off. |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Sat Oct 31, 2009 7:30 pm Post subject: |
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| Code: | +-----------------+---------------+---------------------+
| (28) 459 7 | (23) 6 239 | 14589 148-3 18-3 |
| 6 49 28 | 5 1 29-3 | 489 7 (38) |
| 3 1 59 | 8 4 7 | 569 2 56 |
+-----------------+---------------+---------------------+
| 9 7 18 | 1236 5 238 | 128 1368 4 |
| 1(8) 2 6 | 13 9 4 | 7 5 13(8) |
| 5 3 4 | 126 7 28 | 128 168 9 |
+-----------------+---------------+---------------------+
| 4 8 3 | 7 2 1 | 56 9 56 |
| 12 59 1259 | 49 3 6 | 148 148 7 |
| 7 6 19 | 49 8 5 | 3 14 2 |
+-----------------+---------------+---------------------+ |
(3=8)r2c9 - (8)r5c9 = (8)r5c1 - (8=2)r1c1 - (2=3)r1c4; r1c89 and r2c6 <> 3 |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Sat Oct 31, 2009 7:42 pm Post subject: |
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A grouped fin! (If you'll allow this one-stepper!)
After basics:
| Code: | +-------------------+-------------------+-------------------+
| 28@ 459 7 | 23 6 239 |14589# 1348# 138@ |
| 6 49 28 | 5 1 239 | 489 7 3-8 |
| 3 1 59 | 8 4 7 | 569 2 56 |
+-------------------+-------------------+-------------------+
| 9 7 18 | 1236 5 238 | 128 1368 4 |
| 18@ 2 6 | 13 9 4 | 7 5 138@ |
| 5 3 4 | 126 7 28 | 128 168 9 |
+-------------------+-------------------+-------------------+
| 4 8 3 | 7 2 1 | 56 9 56 |
| 12 59 1259 | 49 3 6 | 148 148 7 |
| 7 6 19 | 49 8 5 | 3 14 2 |
+-------------------+-------------------+-------------------+ |
Either the X-wing @ on 8 is true, or one of the cells marked # is true, equal to 8. Either way, R2C9 is not 8, and the puzzle is solved. 
Keith
Last edited by keith on Sat Oct 31, 2009 10:25 pm; edited 1 time in total |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Sat Oct 31, 2009 9:00 pm Post subject: |
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| nice one keith |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Sat Oct 31, 2009 9:20 pm Post subject: |
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| storm_norm wrote: | | nice one keith |
Norm, thank you!
Actually, I first found it as a regular finned X-wing after the UR that Marty noted, but I went back for another look.
I suppose it's also a grouped skyscraper?
Keith |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sat Oct 31, 2009 9:54 pm Post subject: |
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| keith wrote: | A grouped fin! (If you'll allow this one-stepper!)
After basics:
| Code: | +-------------------+-------------------+-------------------+
| 28@ 459 7 | 23 6 239 |14589# 1348# 138@ |
| 6 49 28 | 5 1 239 | 489 7 3-8 |
| 3 1 59 | 8 4 7 | 569 2 56 |
+-------------------+-------------------+-------------------+
| 9 7 18 | 1236 5 238 | 128 1368 4 |
| 18@ 2 6 | 13 9 4 | 7 5 138@ |
| 5 3 4 | 126 7 28 | 128 168 9 |
+-------------------+-------------------+-------------------+
| 4 8 3 | 7 2 1 | 56 9 56 |
| 12 59 1259 | 49 3 6 | 148 148 7 |
| 7 6 19 | 49 8 5 | 3 14 2 |
+-------------------+-------------------+-------------------+ |
Either the X-wing @ on 8 is true, or one of the cells marked @ is true, equal to 8. Either way, R2C9 is not 8, and the puzzle is solved.
Keith |
I love those types of moves! Good show ....
Ted |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Oct 31, 2009 9:58 pm Post subject: |
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| Quote: | | A grouped fin! (If you'll allow this one-stepper!) |
Never heard that term. When I first learned the Finned X-Wing I was told it could have two fins, so that's how I've always thought of them, still a Finned X-Wing, but with two fins.
I miss a lot of these types of solutions because--for reasons unknown--I hate looking for X-Wings and Skyscrapers, thus I look for them as a last resort after I've exhausted my too-small arsenal. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sat Oct 31, 2009 10:01 pm Post subject: |
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While looking for a xy-wing, I found this chain that is similar to the one by Norm.
(3=8)r2c9 - (8=2)r2c3 - (2=8)r1c1 - (8=1)r5c1 - (1=3)r5c4; r5c9<>3
Ted |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Sat Oct 31, 2009 10:30 pm Post subject: |
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My previous post has been corrected to read:
| Quote: | | Either the X-wing @ on 8 is true, or one of the cells marked # is true |
Keith |
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