The New Sudoku Players' Forum

by **ArkieTech** » Wed Feb 28, 2018 2:05 pm

Code: Select all: *-----------* |69.|.58|..1| |.8.|...|.5.| |...|2..|..9| |---+---+---| |5..|..4|..8| |...|326|...| |9..|5..|..3| |---+---+---| |3..|..2|...| |.7.|...|.4.| |2..|49.|.17| *-----------*

by **200e200w** » Wed Feb 28, 2018 2:33 pm

Today, I decided to take a one-day break from posting puzzles. So, Dan posted a puzzle for me, here's a solution:

Code: Select all: .------------------.---------------.------------------. | 6 9 23 | 7 5 8 | 4 23 1 | | 147 8 1237 |e16 346 9 | 267 5 d26 | | 147 35 1357 | 2 346 e13 | 678 3678 9 | :------------------+---------------+------------------: | 5 236 36 | 9 1 4 | 267 267 8 | | 78 1 78 | 3 2 6 | 5 9 4 | | 9 246 46 | 5 8 7 | 1 26 3 | :------------------+---------------+------------------: | 3 456 145689 | 168 7 2 | 689 68 56 | | 18 7 15689 | 168 36 135 |b23689 4 c256 | | 2 56 568 | 4 9 5-3 |a368 1 7 | '------------------'---------------'------------------' (3)r9c7 = (3-2)r8c7 = r8c9 - (2=6)r2c9 - (6=31)b2p49 => -3 r9c6; stte

200e200w

by **SteveG48** » Wed Feb 28, 2018 7:29 pm

Code: Select all: *-----------------------------------------------------------------------------* | 6 9 23 | 7 5 8 | 4 23 1 | | 147 8 1237 | 6-1 346 9 | 267 5 26 | | 147 35 1357 | 2 346 d13 | 678 3678 9 | *-------------------------+-------------------------+-------------------------| | 5 236 36 | 9 1 4 | 267 267 8 | | 78 1 78 | 3 2 6 | 5 9 4 | | 9 246 46 | 5 8 7 | 1 26 3 | *-------------------------+-------------------------+-------------------------| | 3 456 145689 |a168 7 2 | 689 68 56 | |c18 7 15689 |a168 36 b135 | 23689 4 256 | | 2 c56 c568 | 4 9 d35 | 368 1 7 | *-----------------------------------------------------------------------------*

1r78c4 = r8c6 - (1=568)b7p489 - (5=13)r39c6 => -1 r2c4,r8c6 ; stte

by **Leren** » Wed Feb 28, 2018 7:39 pm

Code: Select all: *---------------------------------------------------* | 6 9 23 | 7 5 8 | 4 23 1 | | 147 8 1237 | 16 346 9 | 267 5 26 | | 47-1 35 1357 | 2 346 e13 | 678 3678 9 | |------------------+---------------+----------------| | 5 236 36 | 9 1 4 | 267 267 8 | | 78 1 78 | 3 2 6 | 5 9 4 | | 9 246 46 | 5 8 7 | 1 26 3 | |------------------+---------------+----------------| | 3 456 145689 | 168 7 2 | 689 68 56 | |a18 7 15689 | 168 36 35-1 | 23689 4 256 | | 2 56 b568 | 4 9 d35 |c368 1 7 | *---------------------------------------------------*

(1=8) r8c1 - r9c3 = (8-3) r9c7 = r9c6 - (3=1) r3c6 => - 1 r3c1, r8c6; stte

Leren

by **Marty R.** » Wed Feb 28, 2018 8:06 pm

Code: Select all: ┌──────────────────────────┬──────────────────────────┬──────────────────────────┐ │ 6 9 23 │ 7 5 8 │ 4 23 1 │ │ │ │ │ │ 147 8 1237 │ 16 346 9 │ 267 5 26 │ │ │ │ │ │ 147 35 1357 │ 2 346 13 │ 678 3678 9 │ ├──────────────────────────┼──────────────────────────┼──────────────────────────┤ │ 5 236 36 │ 9 1 4 │ 267 267 8 │ │ │ │ │ │ 78 1 78 │ 3 2 6 │ 5 9 4 │ │ │ │ │ │ 9 246 46 │ 5 8 7 │ 1 26 3 │ ├──────────────────────────┼──────────────────────────┼──────────────────────────┤ │ 3 456 145689 │ 168 7 2 │ 689 68 56 │ │ │ │ │ │ 18 7 15689 │ 168 36 135 │ 23689 4 256 │ │ │ │ │ │ 2 56 568 │ 4 9 35 │ 368 1 7 │ └──────────────────────────┴──────────────────────────┴──────────────────────────┘

Skyscraper (8) r59
8r5c1=r9c7

8r5c1-(8=1)r8c1-r8c6=r3c6-(1=6)r2c4
8r9c7-(8=563)r9c236-(3=16)r3c6,r2c4=> 6r2c4

by **pjb** » Wed Feb 28, 2018 10:07 pm

Code: Select all: 6 9 23 | 7 5 8 | 4 23 1 147 8 1237 | 16 346 9 | 267 5 26 147 35 1357 | 2 346 13 | 678 3678 9 ------------------------+----------------------+--------------------- 5 236 36 | 9 1 4 | 267 267 8 78 1 78 | 3 2 6 | 5 9 4 9 246 46 | 5 8 7 | 1 26 3 ------------------------+----------------------+--------------------- 3 456 145689 | 168 7 2 | 689 68 56 a18 7 15689 | 168 36 e35-1 | 23689 4 256 2 56 b568 | 4 9 d35 |c368 1 7

(1=8)r8c1 - r9c3 = (8-3)r9c7 = (3-5)r9c6 = r8c6 => -1 r8c6; stte

Phil

February 28, 2018