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Tough Sudoku for 11/September/2013

                 
                 
                 
                 
                 
                 
                 
                 
                 

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Submitted by: Gath

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SE=7.7
SSTS
1)(2):b9=c9-c6=i6-i3=ac3,=>b1<>2
(2)(8)i6=(8-7)h6=h23-(7=2)i3,=>i6<> ;2.UP=81
11/Sep/13 12:59 AM
Typo,(2)to read 2)
11/Sep/13 1:02 AM
#1. sk-basics; UP38; DP(15)de2,ef4,fd8=4d2; UP81
11/Sep/13 1:51 AM
SG served up three 9.0's this morning, once you get over how dfficult they look, should fall to analysis.
11/Sep/13 5:01 AM
P1020 ***: Symmetry=None, Start=24, SSTS=25
SG @ 5 kraken, 9 aic; SE=9.0 @ 10 dynamic kraken, 16 kraken, 10 FC
900000300030460001008000260000200147045001006000000000700003090000047000000800005
11/Sep/13 5:02 AM
P1021 **: Symmetry=None, Start=23, SSTS=23
SG @ 2 kraken, 5 aic; SE=9.0 @ 3 dynamic kraken, 14 kraken, 26 FC
000002009801000200000700000700005002009000600020049700500060003047100000000000840
11/Sep/13 5:03 AM
P1022 (? haven't looked at this one yet): Symmetry=None, Start=27, SSTS=32
SG @ 3 kraken, 3 aic; SE=9.0 @ 4 dynamic kraken, 15 kraken, 12 FC
070006009060010023001002060407000300080000000900100578008601000500400000000085900
11/Sep/13 5:06 AM
P1020
Step 1 is the depth charge that breaks the ice, allowing the kraken to surface;
simple mopping up after that. Niether an easy problem, nor a super tough ***
note: it's possible to reach step 2 w/o step 1 using a DK (3)ach1,(369)c6,
too gnarly and long. Using the old challenger More...
11/Sep/13 5:07 AM
P1021
looks much tougher than it really is buried at ssts=UP23 (thin ice), I had to dig a
little to beat SG's score = 10.75
Reminder: the HMW/HMR pattern set is a simple extension of the MW/MR (m-wing, m-ring)
pattern set, the only difference is a hidden-set inner pivot.
HMW :: More...
11/Sep/13 5:11 AM
I leave the P101x (Sep. 10) series unsolved for now.
11/Sep/13 5:14 AM
rooting around on the net, seeing what others have done ....
11/Sep/13 8:37 AM
SudokuWiki.org weekly extreme # 124,
SG @ 1 kraken, 2 aic; SE=9.0 @ 4 dynamic kraken, 2 kraken, 9 FC
009000000000405200450100008903000005000308000800000706700009013001802000000000400
------------- ----------------------------------------------------------------------
JC posted a path More...
11/Sep/13 8:38 AM
(25) 78@gi8=>gi8<>145
(27) 3@df4=>b4<>3
(29) 2@ef7=>b7<>2 9@c56=>9@b89=>b1<>9
9?@b9=>[b1=2=>i3=2&c9=2=>i6=2]=>b9<>9
(34) 46@df6=>e456<>6&h6<>6
(35) More...
11/Sep/13 8:48 AM
1. Note gi8=78.Unique possibilities to 28.
2. Whether h1=8=i6;OR h1=5,h23=37,i3=2;g4=2.UP81.
11/Sep/13 10:28 AM
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