The New Sudoku Players' Forum

by **ArkieTech** » Sat Jul 18, 2015 7:09 pm

Code: Select all: *-----------* |91.|...|...| |4..|8..|.36| |.73|...|4..| |---+---+---| |...|.79|...| |..8|3.5|1..| |...|28.|...| |---+---+---| |..1|...|56.| |35.|..6|..8| |...|...|.97| *-----------*

by **Leren** » Sat Jul 18, 2015 8:45 pm

Code: Select all: *--------------------------------------------------------------* | 9 1 6 | 45 35 34 | 78 78 2 | | 4 2 5 | 8 1 7 | 9 3 6 | | 8 7 3 | 69 69 2 | 4 5 1 | |--------------------+--------------------+--------------------| | 15 346 24 | 146 7 9 | 68 248 35 | | 27 a46 8 | 3 b46 5 | 1 27 9 | | 15 3469 79 | 2 8 14 | 67 47 35 | |--------------------+--------------------+--------------------| | 27 e89 1 |d79 23 38 | 5 6 4 | | 3 5 79 | 479 c49 6 | 2 1 8 | | 6 f8-4 24 | 15 25 18 | 3 9 7 | *--------------------------------------------------------------*

(4) r5c2 = r5c5 - (4=9) r8c5 - r7c4 = (9-8) r7c2 = (8) r9c2 => - 4 r9c2; stte

Leren

by **bat999** » Sat Jul 18, 2015 9:15 pm

Code: Select all: .----------------.----------------.-------------. | 9 1 6 | 45 35 34 | 78 78 2 | | 4 2 5 | 8 1 7 | 9 3 6 | | 8 7 3 | 69 69 2 | 4 5 1 | :----------------+----------------+-------------: | 15 346 24 | 146 7 9 | 68 248 35 | | 27 d46 8 | 3 c46 5 | 1 27 9 | | 15 3469 79 | 2 8 14 | 67 47 35 | :----------------+----------------+-------------: | 27 f89 1 | 79 23 38 | 5 6 4 | | 3 5 g79 | a49-7 b49 6 | 2 1 8 | | 6 e48 24 | 15 25 18 | 3 9 7 | '----------------'----------------'-------------'

AIC: (4)r8c4 = (4)r8c5 - (4=6)r5c5 - (6=4)r5c2 - (4=8)r9c2 - (8=9)r7c2 - (9=7)r8c3 => -7 r8c4; stte
8-)

by **pjb** » Sat Jul 18, 2015 9:54 pm

Code: Select all: 9 1 6 | 45 35 34 | 78 78 2 4 2 5 | 8 1 7 | 9 3 6 8 7 3 | 69 69 2 | 4 5 1 ------------------------+----------------------+--------------------- 15 346 24 | 146 7 9 | 68 248 35 27 a46 8 | 3 b46 5 | 1 27 9 15 3469 79 | 2 8 14 | 67 47 35 ------------------------+----------------------+--------------------- 27 a89 1 | 7-9 23 38 | 5 6 4 3 5 7-9 | 479 b49 6 | 2 1 8 6 a48 24 | 15 25 18 | 3 9 7

(9=6)r579c2-(6=9)r58c5 => -9 r7c4, r8c3; stte

Phil

by **SteveG48** » Sun Jul 19, 2015 12:11 am

Code: Select all: *-----------------------------------------------------------* | 9 1 6 | 45 35 34 | 78 78 2 | | 4 2 5 | 8 1 7 | 9 3 6 | | 8 7 3 | 69 69 2 | 4 5 1 | *-------------------+-------------------+-------------------| | 15 346 2-4 | 146 7 9 | 68 248 35 | | 27 d46 8 | 3 c46 5 | 1 27 9 | | 15 3469 79 | 2 8 14 | 67 47 35 | *-------------------+-------------------+-------------------| |a27 89 1 |b79 23 38 | 5 6 4 | | 3 5 79 | 479 b49 6 | 2 1 8 | | 6 8-4 a24 | 15 25 18 | 3 9 7 | *-----------------------------------------------------------*

(4=27)b7p19 - (7=94)b8p15 - (4)r5c5 = (4)r5c2 => -4 r4c3,r9c2 ; stte

by **Marty R.** » Sun Jul 19, 2015 3:53 pm

Code: Select all: +------------+-----------+-----------+ | 9 1 6 | 45 35 34 | 78 78 2 | | 4 2 5 | 8 1 7 | 9 3 6 | | 8 7 3 | 69 69 2 | 4 5 1 | +------------+-----------+-----------+ | 15 346 24 | 146 7 9 | 68 248 35 | | 27 46 8 | 3 46 5 | 1 27 9 | | 15 3469 79 | 2 8 14 | 67 47 35 | +------------+-----------+-----------+ | 27 89 1 | 79 23 38 | 5 6 4 | | 3 5 79 | 479 49 6 | 2 1 8 | | 6 48 24 | 15 25 18 | 3 9 7 | +------------+-----------+-----------+

Play this puzzle online at the Daily Sudoku site

(2=5)r9c5-(5=1)r9c4) -(1=38)r97c6-(8=9)r7c2-(9=3462b4p2583=>-2r9c3

by **Ngisa** » Sun Jul 19, 2015 5:03 pm

Code: Select all: +------------+------------+-----------+ | 9 1 6 | 45 35 34 | 78 78 2 | | 4 2 5 | 8 1 7 | 9 3 6 | | 8 7 3 | e69 d69 2 | 4 5 1 | +------------+------------+-----------+ | 15 346 24 | 146 7 9 | 68 248 35 | | 27 b46 8 | 3 c46 5 | 1 27 9 | | 15 3469 79 | 2 8 14 | 67 47 35 | +------------+------------+-----------+ | 27 a89 1 | 7-9 23 38 | 5 6 4 | | 3 5 79 | 479 49 6 | 2 1 8 | | 6 b48 24 | 145 25 148 | 3 9 7 | +------------+------------+-----------+

(9=8)r7c2-(8=46)r59c2-r5c5=r3c5-(6=9)r3c4 => -9r7c4; stte

Clement

by **Sudtyro2** » Sun Jul 19, 2015 5:50 pm

Code: Select all: *----------------------------------------------* | 9 1 6 | 45 35 34 | 78 78 2 | | 4 2 5 | 8 1 7 | 9 3 6 | | 8 7 3 | 69 69 2 | 4 5 1 | |----------------+---------------+-------------| | 15 346 24 | 146 7 9 | 68 248 35 | | 27 b46 8 | 3 c46 5 | 1 27 9 | | 15 3469 79 | 2 8 14 | 67 47 35 | :----------------+---------------+-------------| | 27 a89 1 | e79 23 38 | 5 6 4 | | 3 5 79 | 479 d49 6 | 2 1 8 | | 6 a48 24 | 15 25 18 | 3 9 7 | *----------------------------------------------*

A discontinuous loop from the A.Stuart solver.
(9=84)r79c2 – r5c2 = r5c5 – (4=9)r8c5 – r7c4 = r7c2 => 9r7c2; stte

SteveC

by **daj95376** » Sun Jul 19, 2015 11:13 pm

A solution that doesn't use any of r579c2,r58c5.

Code: Select all: +--------------------------------------------------------------+ | 9 1 6 | 45 35 34 | 78 78 2 | | 4 2 5 | 8 1 7 | 9 3 6 | | 8 7 3 | 69 69 2 | 4 5 1 | |--------------------+--------------------+--------------------| | 15 346 24 | 146 7 9 | 68 248 35 | | 27 46 8 | 3 46 5 | 1 27 9 | | 15 3469 79 | 2 8 14 | 67 47 35 | |--------------------+--------------------+--------------------| | 27 89 1 | 79 23 38 | 5 6 4 | | 3 5 79 | 479 49 6 | 2 1 8 | | 6 48 24 | 15 25 18 | 3 9 7 | +--------------------------------------------------------------+ # 44 eliminations remain Kraken [c4] for <4>: 4 r1c4 -4 r1c6 4 r4c4 - (4=2)r4c3 - (2=7)r5c1 - (7=2)r7c1 - (2=3)r7c5 - 3r1c5 = (3-4)r1c6 (4-7)r8c4 =7 r7c4 - (7=2)r7c1 - (2=3)r7c5 - 3r1c5 = (3-4)r1c6

_

July 19, 2015