The New Sudoku Players' Forum

by **ArkieTech** » Wed Jul 26, 2017 10:05 pm

Code: Select all: *-----------* |.53|9..|...| |.9.|.5.|..3| |2.7|..6|...| |---+---+---| |..2|4..|.8.| |936|1.8|542| |.4.|..2|3..| |---+---+---| |...|2..|8.9| |4..|.8.|.6.| |...|..9|25.| *-----------*

by **pjb** » Wed Jul 26, 2017 11:29 pm

Code: Select all: 16 5 3 | 9 2 147 | 1467 17 8 16-8 9 4 |a78 5 17 | 167 2 3 2 d18 7 | 3-8 134 6 | 149 19 5 ------------------------+----------------------+--------------------- 157 17 2 | 4 369 35 | 179 8 167 9 3 6 | 1 7 8 | 5 4 2 1578 4 158 | 56 69 2 | 3 179 167 ------------------------+----------------------+--------------------- 157 167 15 | 2 146 147 | 8 3 9 4 2 9 | 35 8 35 | 17 6 17 3 c1678 18 |b67 16 9 | 2 5 4

(8=7)r2c4 - r9c4 = (7-8)r9c2 = r3c2 => -8, r2c1, r3c4; stte

Phil

by **SteveG48** » Wed Jul 26, 2017 11:57 pm

Code: Select all: *-----------------------------------------------------------* | 16 5 3 | 9 2 147 | 1467 17 8 | | 168 9 4 | 78 5 17 | 167 2 3 | | 2 b18 7 |a38 134 6 | 149 19 5 | *-------------------+-------------------+-------------------| | 157 b17 2 | 4 369 35 | 179 8 167 | | 9 3 6 | 1 7 8 | 5 4 2 | | 1578 4 158 |a56 69 2 | 3 179 167 | *-------------------+-------------------+-------------------| | 157 167 15 | 2 146 147 | 8 3 9 | | 4 2 9 |a35 8 35 | 17 6 17 | | 3 c1678 18 |d7-6 16 9 | 2 5 4 | *-----------------------------------------------------------*

(6=358)r368c4 - (8=17)r34c2 - 7r9c2 = 7r9c4 => -6 r9c4 ; stte

by **Leren** » Thu Jul 27, 2017 12:41 am

Code: Select all: *--------------------------------------------------------------* | 16 5 3 | 9 2 147 | 1467 17 8 | |b168 9 4 |c78 5 17 | 167 2 3 | | 2 a18 7 | 38 134 6 | 149 19 5 | |--------------------+--------------------+--------------------| | 157 17 2 | 4 369 35 | 179 8 167 | | 9 3 6 | 1 7 8 | 5 4 2 | | 1578 4 158 | 56 69 2 | 3 179 167 | |--------------------+--------------------+--------------------| | 157 167 15 | 2 146 147 | 8 3 9 | | 4 2 9 | 35 8 35 | 17 6 17 | | 3 e167-8 18 |d67 16 9 | 2 5 4 | *--------------------------------------------------------------*

S Wing : (8) r3c2 = r2c1 - (8=7) r2c4 - r9c4 = (7) r9c2 => - 8 r9c2; stte

Leren

by **Marty R.** » Thu Jul 27, 2017 1:53 am

Code: Select all: +---------------+------------+--------------+ | 16 5 3 | 9 2 147 | 1467 17 8 | | 168 9 4 | 78 5 17 | 167 2 3 | | 2 18 7 | 38 134 6 | 149 19 5 | +---------------+------------+--------------+ | 157 17 2 | 4 369 35 | 179 8 167 | | 9 3 6 | 1 7 8 | 5 4 2 | | 1578 4 158 | 56 69 2 | 3 179 167 | +---------------+------------+--------------+ | 157 167 15 | 2 146 147 | 8 3 9 | | 4 2 9 | 35 8 35 | 17 6 17 | | 3 1678 18 | 67 16 9 | 2 5 4 | +---------------+------------+--------------+

Play this puzzle online at the Daily Sudoku site

My semi-annual chain solution

(8=1)r3c2-(1=678)r479c2-(8=16)r9c35-(6=78)r92c4=> -8r2c1,r3c4

by **bat999** » Thu Jul 27, 2017 10:17 am

Code: Select all: .--------------------.------------------.----------------. | 16 5 3 | 9 2 147 | 1467 17 8 | | 168 9 4 | 78 5 17 | 167 2 3 | | 2 c18 7 | c38 134 6 | 149 19 5 | :--------------------+------------------+----------------: | 157 b17 2 | 4 39-6 35 | 179 8 167 | | 9 3 6 | 1 7 8 | 5 4 2 | | 1578 4 158 | c56 9-6 2 | 3 179 167 | :--------------------+------------------+----------------: | 157 b167 15 | 2 146 147 | 8 3 9 | | 4 2 9 | c35 8 35 | 17 6 17 | | 3 b1678 a18 | 7-6 a16 9 | 2 5 4 | '--------------------'------------------'----------------'

(6=8)r9c35 - (8=1)r479c2 - (1=6)r3c24,r68c4 => -6 r46c5,r9c4; stte

by **Ngisa** » Thu Jul 27, 2017 5:29 pm

Code: Select all: +---------------------+---------------------+-----------------------+ | 16 5 3 | 9 2 147 | 1467 17 8 | |d168 9 4 | e8-7 5 17 | 167 2 3 | | 2 18 7 | 38 134 6 | 149 19 5 | +---------------------+---------------------+-----------------------+ | 157 17 2 | 4 369 35 | 179 8 167 | | 9 3 6 | 1 7 8 | 5 4 2 | |c1578 4 b158 | 56 69 2 | 3 179 167 | +---------------------+---------------------+-----------------------+ | 157 167 15 | 2 146 147 | 8 3 9 | | 4 2 9 | 35 8 35 | 17 6 17 | | 3 1678 a18 | a67 a16 9 | 2 5 4 | +---------------------+---------------------+-----------------------+

(7=8)r9c345 - r6c3 = r6c1 - r2c1 = (8)r2c4 => - 7 r2c4; stte

Clement

by **Cenoman** » Thu Jul 27, 2017 8:49 pm

Code: Select all: +----------------------+-------------------+---------------------+ | 16 5 3 | 9 2 147 | 1467 17 8 | | 168 9 4 | 78 5 17 | 167 2 3 | | 2 a18 7 | b38 134 6 | 149 19 5 | +----------------------+-------------------+---------------------+ | 157 a17 2 | 4 369 35 | 179 8 167 | | 9 3 6 | 1 7 8 | 5 4 2 | | 1578 4 158 | b56 69 2 | 3 179 167 | +----------------------+-------------------+---------------------+ | 157 167 15 | 2 146 147 | 8 3 9 | | 4 2 9 | b35 8 35 | 17 6 17 | | 3 168-7 18 | b67 16 9 | 2 5 4 | +----------------------+-------------------+---------------------+

ALS-XZ rule (7=8)r34c2 - (8=7)r3689c4 => -7 r9c2; stte

Cenoman

July 27, 2016