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Diabolic

 
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy

PostPosted: Fri Jun 02, 2017 10:13 pm    Post subject: Diabolic Reply with quote

Hi everyone

Code:

+----------------+---------------+---------------+
| 3    248  468  | 478  467 1    | 2478 5    9   |
| 5    1    489  | 4789 2   389  | 3478 6    38  |
| 2469 2489 7    | 5    346 3689 | 1    348  238 |
+----------------+---------------+---------------+
| 7    348  1348 | 6    9   2    | 5    1348 138 |
| 129  6    189  | 3    5   4    | 289  7    128 |
| 249  2349 5    | 1    8   7    | 2349 349  6   |
+----------------+---------------+---------------+
| 149  349  2    | 489  34  5    | 6    1389 7   |
| 469  7    3469 | 489  1   3689 | 389  2    5   |
| 8    5    1369 | 2    367 369  | 39   139  4   |
+----------------+---------------+---------------+

Play this puzzle online at the Daily Sudoku site

Ciao a tutti
Paolo
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy

PostPosted: Sat Jun 03, 2017 10:24 pm    Post subject: Reply with quote

If R4C8=8=>stte
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy

PostPosted: Sat Jun 03, 2017 10:59 pm    Post subject: Reply with quote

Hi everyone
If R1C4=8=>contradiction=>-8 R1C4
If R2C3=8=>contradiction=>-8 R2C3
If R2C4=8=>contradiction=>-8 R2C4
If R1C7=8=>contradiction=>-8 R1C7
If R2C7=8=>contradiction=>-8 R2C7
If R3C5=6=>contradiction=>-6 R3C5
If R4C8=3=>contradiction=>-3 R4C8
If R4C8=4=>contradiction=>-4 R4C8=>stte
Saluti a tutti
Paolo
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JC Van Hay



Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium

PostPosted: Sat Jun 03, 2017 11:09 pm    Post subject: Reply with quote

+7r9c5; Pointing{1B9, 6B8} -> -{1r4c8, 6r3c6}

Note : 2r1c2 -> 2r3c9, Jellyfish{8R1578} -> -{8r4c8}

2r1c2 + 3r3c8 -> 0 solution
2r1c2 + 4r3c8 -> 0 solution
2r1c2 + 8r3c8 -> 0 solution via WWing(43)r4c3.r7c5,3C3 - 4r3c5=4r3c2 -> +4r3c2

2r1c7 + 1r5c1 -> 1 solution via {9B8} -> +9r2c3
2r1c7 + 1r5c3 -> 0 solution
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy

PostPosted: Sun Jun 04, 2017 8:03 am    Post subject: Reply with quote

Hi everyone


Sorry I forgot to bring back a necessary contradiction.
If R1C4=8=>contradiction=>-8 R1C4
If R2C3=8=>contradiction=>-8 R2C3
If R2C4=8=>contradiction=>-8 R2C4
If R1C7=8=>contradiction=>-8 R1C7
If R2C7=8=>contradiction=>-8 R2C7
If R3C5=6=>contradiction=>-6 R3C5
If R4C8=3=>contradiction=>-3 R4C8
If R3C5=4=>contradiction=>-4 R3C5
If R4C8=4=>contradiction=>-4 R4C8=>stte
Saluti a tutti
Paolo
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