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Puzzle 11/03/01 Difficult+

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Tue Mar 01, 2011 10:37 pm    Post subject: Puzzle 11/03/01 Difficult+ Reply with quote
Code:
 +-----------------------+
 | . . . | 8 . . | . . . |
 | . 9 . | . 1 4 | . . . |
 | . . . | 9 7 6 | . . 4 |
 |-------+-------+-------|
 | 7 . 2 | . 6 . | . 5 1 |
 | . 6 9 | 7 . . | . . . |
 | . 8 4 | . . 3 | 9 . . |
 |-------+-------+-------|
 | . . . | . . 1 | 6 . . |
 | . . . | 6 . . | . 7 . |
 | . . 1 | 2 . . | . . 3 |
 +-----------------------+

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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Wed Mar 02, 2011 4:05 am    Post subject: Reply with quote
Two steps.

Quote:
(3)r1c8-(3=8)r2c8-r9c8=r9c5-r8c6=r5c6-(8=5)r5c5-(5=3)r1c5; conflict r1c8<>3
ANP(2=38)r2c18-(8=6)r2c9-(6=9)r1c9-(9=1)r1c8-r1c2=(1-2)r3c2; r3c2<>2

Ted
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Wed Mar 02, 2011 9:30 am    Post subject: Reply with quote
Two ANPs are "entangled" with a single bivalue - either outcome forces one of them to a naked pair...
Code:
anp(38=2)r2c81 - (2=1)r3c2 - anp(1=38)r23c8 ; r2c9<>8
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Wed Mar 02, 2011 1:40 pm    Post subject: Reply with quote
Peter, very nice indeed Exclamation

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Thu Mar 03, 2011 6:07 am    Post subject: Reply with quote
AIC; r7c13, r8c5<>3
XY-Chain; r1c8, r2c4<>3
DP (38), boxes 13; r3c8<>1 (invalid)
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