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Tough Sudoku for 15/June/2014

                 
                 
                 
                 
                 
                 
                 
                 
                 

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

  1 2 3 4 5 6 7 8 9
Check out the latest post in the Sudoku Forum

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Submitted by: Gath

Indicate which comments you would like to be able to see

1. Note df5=25.Unique possibilities to 54.
2. Whether h1=8;OR h1=7,g36=68;h6=2.UP81.
15/Jun/14 12:55 AM
X-58 **: Symmetry=AntiDiagonal, Start=24, SSTS=28, SG=13.25, SE=9.0
200300080000005100000680700107090030008430000020000000015000907900100000000000506
15/Jun/14 6:04 AM
X-59: Symmetry=None, Start=25, SSTS=31, SG=22.0, SE=8.5
000000020060915000004006000600001004020000890100000007350804000000170043007050000
15/Jun/14 6:27 AM
X-60: Symmetry=None, Start=25, SSTS=33, SG=17.5, SE=9.0
002801000000400010040023000890030500601000003003009000006007001500900700900000002
15/Jun/14 6:33 AM
X-55 **: (unsolved) Symmetry=None, Start=26, SSTS=29, SG=11.5, SE=8.4
008260030301007000000009500106000007730000640040000120004390005000000080000005090

1. DK: (8)ab3=f3 - (8=12)f5 # -9g8
[(8)g8=g6-b6=a4-a3=*(8-1)b3=SS(1)gf3.fi9 - More...
15/Jun/14 6:36 AM
step 1 above,unmangled:

1. DK: (8)ab3=f3 - (8=12)f5 # -9g8
[(8)g8=g6-b6=a4-a3=*(8-1)b3=SS(1)gf3.fi9 - (1=7)h7-(7=2)c7-(2=9)b8]
||
[(9=2)b8-b6=c5-(2=*1)f5-f9=i9 - (1)h7==(9)b8]

15/Jun/14 6:40 AM
testing...
15/Jun/14 6:43 AM
01234567890123456789012345678901234567890123456789
012345678901234567890123456789012345678901234567 89
01234567890123456789012345678901234567890123456789
01234567890123456789012345678901234567890123 456789
01234567890123456789012345678901234567890123456789
0123456789012345678901234567890123456789 0123456789
01234567890123456789012345678901234567890123456789
15/Jun/14 6:43 AM
01234567890123456789012345678901234567890123456789
012345678901234567890123456789012345678901234567 89
01234567890123456789012345678901234567890123456789
01234567890123456789012345678901234567890123 More...
15/Jun/14 6:44 AM
X-56 *: (unsolved)

1. [SS(9)ci2.g139=e2-e6=(9-8)d6=ac6-(8=*1)a5-f5=f2-(1=9)c2]
||
(5)c5 - (5=9)a8 # -9c9

2. UR(19)ci.12::(9=1)c2-(1)f2=*(9)d1 - (9=1)i1 # -1i2
// ext. (9)d1 - UR(69)cd.13::(9)e3=*c2 # +9c2
// WW(91)e6,g3/a36; More...
15/Jun/14 6:50 AM
X-51 (unsolved)

1. (469=1)g457 - SS(1)gc3.b127=(369.4)b1267-(4)bc4=g4; pause # -4g3
cont. - (6)g4=h4-(369=1)h23g3 # -1g7

2. [(1=9)b7 - (9=6)g7-g4=(6-5)h4=h8 - (7)h8=*e8-e7=(7-8)a7=(8-1)i7=b7]
||
(7)c8 # -1c8, -9h8

3. K: (6)d679 # -6g7, STE.
(6)d6 - More...
15/Jun/14 6:52 AM
no win situation! step 3 unmangled:

3. K: (6)d679 # -6g7, STE.
(6)d6 - (6=9)f6-(9=3)f1-b1=WW(69)b1,h2/ch3-(6)i1=i79
||
(6-4)d9=(4-8)c9=(8-1)c2=c3-g3=(1-6)i1=i79
||
(6) d7
15/Jun/14 6:54 AM
X-52: (unsolved)

// YW(28.6)b36,c2; -6c45
// FSF(2)bfi.138/i2; -2g13.h1
// MW(28)a4/a1b3.b8; -2a8
// als-xz: (6=1258)a4568-(1289=6)c2457; -6c89

1. (6=2)h4-(2=8)a4-a1=b3-YW(57.8)gb9,g3=(6)g9 # -6g5

2. (2=358)g356-(8)g1=MW(28)b3/ai1.ghi2-(2=6)c2-(6=12)ch7 # -2g7
More...
15/Jun/14 7:00 AM
X-54: (unsolved)
long path with only one complex step.

// SS(6)fea9.ae3; -6e78

// FSF(9)adh.156/f6; -9d4
// xy: (5)h4=h78-g7=(5-1)g3=g5-(1=2)h6-(2=3)a6-a5=gh5 # -(13)h4
// MR(12)b5/ah6.gh5; -2a5, -3h6
// SS(1)bg5.gc3; -1c4

1. DK: (29=34)gh1 - (4)h7=abe7 # -9d1, More...
15/Jun/14 7:04 AM
(28) 2@df5=>fe4<>2
(55) 6?@e3=>i3=3=>i8=8=>g9=7=>g3={}=>e3<>6
(56) 3?@h8=>d8=7=>d1=9=>i1=8=>i8={}=>h8<>3
VHBC to (81)
V:Only cell left in Vertical column for this candidate
H:Only cell left in More...
15/Jun/14 7:36 AM
Hmmm...Seehund is also the name for German midget submarines...well named! But who would be motivated to buy these sad little guys?
15/Jun/14 10:35 AM
14:00
15/Jun/14 7:08 PM
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