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Tough Sudoku for 12/June/2014

                 
                 
                 
                 
                 
                 
                 
                 
                 

Choose a number, and place it in the grid above.

  1 2 3 4 5 6 7 8 9
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Submitted by: Gath

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For high water ...or for those who aren't good at diving, maybe?
12/Jun/14 12:27 AM
Could be a bit of a problem for those who have been drinking too long at the local pub!
12/Jun/14 12:28 AM
Sobering thought, that.
12/Jun/14 1:23 AM
Standard techniques UP 31
1. kite (5)f8=g8-h7=h2 =>f2<>5 UP 81
12/Jun/14 6:06 AM
hard to find short paths for these:
12/Jun/14 6:06 AM
X-50: Symmetry=None, Start=27, SSTS=28, SG=11.0, SE=8.9
004052090000803206000090000608000000075004810040200009507000930000005007012000000
12/Jun/14 6:07 AM
X-51: Symmetry=None, Start=25, SSTS=28, SG=18.75, SE=8.9
050010000600008000003002040000000810106005020000780003570860002000000500402000700
12/Jun/14 6:08 AM
X-52: Symmetry=None, Start=24, SSTS=27, SG=17.0, SE=8.9
900120000000000080450000003007200090040000007030050401304900076010008000005000000
12/Jun/14 6:08 AM
X-54: Symmetry=AntiDiagonal, Start=24, SSTS=32, SG=FAIL; SE=9.0
090000080100800900003700001056000400000050007000002600030408070700000800005010006
12/Jun/14 6:09 AM
X-49 ** (unsolved) from June 11
000000600000200000570900004000400002040031070903000010005020700300005100420000008

1. { (5)b6=e6-(5678=1)d2345-de1=c1-c6=b6 }
# +(15)b6, -(678)d19, -5e4, -1c789
2. [SW(56)i4/id5,hfe6=(6)c6-c7=f7-e8=*e4] - (6)d5=MW(58)d5/edb4.b6
||
aahs(96')e16 More...
12/Jun/14 6:15 AM
X-40 * (unsolved)
038400900702300000000001050100007009000000206009000030070060005040500000300000020

1. als-xz:[(7=*2689)d3467-(1489=7)h3569] = (1)d4-de5=h5-(1=7)h9 # -7e9
// DP(17)ghi.249::qnt(489)h236=*(1)h5; -(48)h5
// WW(89)d5,b1/ad3; -8b5.d1
--------------------------------------------
.75 + .25 + .25 = 1.25 *
12/Jun/14 6:18 AM
X-48 ** (unsolved)
000000103000032050007100000000400035180900700060078000800000004000004590020060070

// YW(28.5)e25,d1 -5e3.d4
// SIS: (2)g4.i2 - WW(26)g3,i5/(6)h35=(86')h79 @ SW(86)h9/d98,c98 - (8)d8

1. [(9)i7=i4-(9=*2)g4 -- (8=6)d8-(6=9)a8-g8=gi7] - (9=5)f7
||
(4)g4 - More...
12/Jun/14 6:20 AM
X-47 (usolved): Symmetry=None, Start=24, SSTS=26, SG=31.25; SE=9.0
009000000100900064000700910004030200500006030020000000070049800000060003050870000

thick ice !! step 2 is difficult to find (and justify) using the SIS of three UR's; but this
is the only advanced step; where SG used 7 More...
12/Jun/14 6:23 AM
X-46 ** (unsolved): Symmetry=None, Start=23, SSTS=35, SG=14.5, SE=9.0
002000780010000600300000049001060000090008070600200030400037000086000000000094000

beating up on UR(78), many other ways to achieve fast results; perhaps starting
with: 1. More...
12/Jun/14 6:26 AM
X-35 ** (unsolved): Symmetry=None, Start=24, SSTS=28, SG =14.0, SE =8.4
003000010070005009096080030700000000000004090001506002080049560000000000040023000

1. ur(17)di.13::[(7)df2=*(3)i3-(3=2)a3-(2=7)c3] - (7=9)c2-c6=a4-(9=7)e4
||
(8)i1 - (8=7)h1 # -7h4
// xy: More...
12/Jun/14 6:29 AM
X-34 * (unsolved): Symmetry=None, Start=26, SSTS=32, SG=10.0, SE=8.4
200560800900080000070400503019640000000000619700000000000014070840000002000020006

1. UR(14)ci.89::(7)g6=i6-i89=*(1)a7-(1=2)f7-f6=gh6-g4=(72')g68 # +(72)g6, ste
// WW(53)e4,h2/g4,h46; -5h4.e2
// SS(5)a63.ch2; More...
12/Jun/14 6:31 AM
X-33 * (unsolved): Symmetry=None, Start=23, SSTS=25, SG=13.5, SE =9.0
200060000800207000000000003043008009000900000000100560060000030070084100002010040

1. (6=1359)b5hi8-(159=4|6)c8-(46=7)ac7-h7=MW'(28)h7/h5.(48'-2)i45.i2-(2)h2=i2
# -6i2

2. (9)g3=h2 - More...
12/Jun/14 6:34 AM
that's it for the backlog of stumpers...
12/Jun/14 6:36 AM
(28) 24@e45=>e36<>4
(30) 12@df1=>df1<>7=>7@df2=>h2<>7
(32) 5?@h7=>f28=5=>h7<>5
VHBC to (81)
V:Only cell left in Vertical column for this candidate
H:Only cell left in Horizontal row for this More...
12/Jun/14 7:32 AM
X-49, SE=8.4
A longer path w/o kraken:

1)(13=1)d193-ab3=c1-c6=(1-5)b6=e6-d45=(5)d9,=>a789<>1,d6=15,e4<>5,d9=135,d 1=13
2)(38=6)gh6-(6=59)hg1-(9)d1=(9-5)e6=(5-1)b6=(1)c6,=>ec6<>8
3)(6)f7=c7-(6=1)c6-c1=(1- 3)d1=(3)d9, More...
13/Jun/14 12:16 AM
X-50, SE=8.9
A path w/o kraken:

1)(9):f1=f6-d5=a5,=>a1<>9
2)(68=1)bf3-(1=9)f6-b6=(9-2)a5=i5-i3=(2)e3,=>e3< ;>68
3)(6):f13=f7-c7=c2-b3=df3, =>de12<>6
4)(8=456)ghi1-(6)f1=df3-(6=8)b3,=>a1c3<>8
5)(8)ghi1=(8-2)h2=h6-(2=9)b6 More...
13/Jun/14 8:18 PM
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