The New Sudoku Players' Forum

by **200e200w** » Tue Jan 30, 2018 12:08 pm

Code: Select all: . 8 .|. . .|7 1 . . 9 .|. . 1|. . . 4 5 1|. 3 .|8 . . -----+-----+----- 8 . .|. . 7|. . . . . .|8 . 6|. . . . . .|9 . .|. . 5 -----+-----+----- . . 9|. 6 .|5 7 8 . . .|5 . .|. 3 . . 1 6|. . .|. 9 .

Enjoy solving!

200e200w

by **eleven** » Tue Jan 30, 2018 8:21 pm

Code: Select all: *-----------------------------------------------------------------* | 236 8 23 | 246 249 5 | 7 1 2349 | | 2367 9 237 | 246 8 1 | 234 5 234 | | 4 5 1 | 7 3 29 | 8 26 269 | |----------------------+--------------------+---------------------| | 8 d236 2345 | 24 15 7 | 9 c246 13 | | 9 da23 5-234 | 8 15 6 | a13 ca24 7 | | 1 267 247 | 9 24 3 | b26 8 5 | |----------------------+--------------------+---------------------| | 23 234 9 | 1 6 24 | 5 7 8 | | 27 247 8 | 5 29 249 | b16 3 16 | | 5 1 6 | 3 7 8 | 24 9 24 | *-----------------------------------------------------------------*

(234=1)r5c278 - (1=2)r68c7 - (2=46)r45c8 - (6=23)r45c2 => -234r5c3, stte

by **Cenoman** » Tue Jan 30, 2018 9:19 pm

Code: Select all: +----------------------+--------------------+---------------------+ | 236 8 23 | 246 249 5 | 7 1 2349 | | 2367 9 237 | 246 8 1 | 234 5 234 | | 4 5 1 | 7 3 29 | 8 26 269 | +----------------------+--------------------+---------------------+ | 8 236 a2345 | A24 b15 7 | 9 z24-6 13 | | 9 23 2345 | 8 c15 6 | d13 24 7 | | 1 267 247 | 9 B24 3 |fC26 8 5 | +----------------------+--------------------+---------------------+ | 23 234 9 | 1 6 24 | 5 7 8 | | 27 247 8 | 5 29 249 | e16 3 16 | | 5 1 6 | 3 7 8 | 24 9 24 | +----------------------+--------------------+---------------------+

Kraken row (4)r4c348
(4-5)r4c3 = (5-1)r4c5 = r5c5 - r5c7 = (1-6)r8c7 = r6c7
(4)r4c4 - (4=2)r6c5 - (2=6)r6c7
(4)r4c8
=> -6 r4c8; stte

by **pjb** » Thu Feb 01, 2018 2:42 am

Code: Select all: 236 8 23 | 246 249 5 | 7 1 2349 2367 9 237 | 246 8 1 | 234 5 234 4 5 1 | 7 3 29 | 8 26 269 ------------------------+----------------------+--------------------- 8 dg236 2345 |f24 15 7 | 9 246 h13 9 23 2345 | 8 15 6 | 3-1 24 7 1 c267 d247 | 9 e24 3 |b26 8 5 ------------------------+----------------------+--------------------- 23 234 9 | 1 6 24 | 5 7 8 27 247 8 | 5 29 249 |a16 3 6-1 5 1 6 | 3 7 8 | 24 9 24

(1=6)r8c7 - r6c7 = (6-7)r6c2 = (7-4)r6c3(-r4c2) = r6c5 - (4=2)r4c4 - (26=3)r4c2 - (3=1)r4c9 => -1 r5c7, r8c9; stte

Phil

by **200e200w** » Thu Feb 01, 2018 9:46 am

Hi, Phil!

(1=6)r8c7 - r6c7 = (6-7)r6c2 = (7-4)r6c3(-r4c2) = r6c5 - (4=2)r4c4 - (26=3)r4c2 - (3=1)r4c9 => -1 r5c7, r8c9; stte

I would write your chain like this:

Code: Select all: (1=6)r8c7 - r6c7 = (6*-7)r6c2 = (7-4)r6c3 = r6c5 - (4=2)r4c4 - (2|6*=3)r4c2 - (3=1)r4c9 => -1 r5c7,r8c9; stte

200e200w

200e200w's Nightmare #4