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Submitted by: Gath

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SE=7.1

BTW: I just finished posting SE rated for all tough puzzles (last comment).
11/Sep/10 12:08 AM
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Beautiful mountain photo, Wendy!
Why was it called Sulphur Mountain?
11/Sep/10 12:09 AM
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1)Start at 23,SSTS to UP=34
2)YWS:((6=9)g7-i8=(9-6)f8=(6)c8,=>b7f8<>6.UP=36
3)YW:(1=9)e7-(9=7)f8-(7=1)a8,=>a b7<>1.UP=81
11/Sep/10 12:37 AM
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1.SST to UP=34
2.(9=167)acf8-(1)ab7=e7 => e7<>9; UP=81.
11/Sep/10 12:39 AM
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sotir: the rating yesterday was 7.2, today 7.1; but this one is easily solved with one chain compared to yesterday's five - why so close in rating? (is it because of the large number of SST to UP=34?).
11/Sep/10 12:44 AM
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32:41
11/Sep/10 1:00 AM
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farpointer:Maybe the large number of SSTS is one reason,but IMO this depend on the methods used
by Sudoku Explainer Solver to solve.For example:
tough puzzle Apr.14,SE=9.0 is solved only with one
step, when SE Solver use 7 kraken techniques .So SE rating not always express the real difficulty.

11/Sep/10 1:35 AM
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I can see for miles and miles....
11/Sep/10 2:10 AM
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another example - 7.3 extreme #207 is quickly solved with a chain and a kraken:
1.SST to UP=39
2.(6)i5=(6-7)g5=g3-i3=HT(167)i158 => i5=76
3.Kraken Cell(589)b9 => b4<>5; UP=81
(8)b9-c7=c45-(38=5)ab5
||
(9)b9-h9=h6-HP(48)dh6=(4-5)f7=f4.
11/Sep/10 2:38 AM
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7:23 Maen! Pretty easy one today! Gorgeous photo, too!
11/Sep/10 2:54 AM
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There must be a waterfall in there some place.
11/Sep/10 3:44 AM
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Spectacular! Thought this was a Rocky Mountain!
11/Sep/10 5:54 AM
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9:16, an easy one today. Great photo!
11/Sep/10 6:40 AM
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1. Note pair 28 at ef1 and later triple 157 at bcd5.Unique possibilities to 34.
2. If f4=9,locked 6s at f78,g9=6,g7=9;top middle box is devoid of 9. So f4=6.UP81.
I found step 1 pretty hard going, compared to step 2.
11/Sep/10 5:59 PM
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Hi All,

It seems to me, without a detailed check, that the SE rating for a puzzle is based on the rating for the most complex step.

Best regards, Neil
11/Sep/10 7:52 PM
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20:02
13/Sep/10 3:46 AM
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