The New Sudoku Players' Forum

by **200e200w** » Mon Feb 05, 2018 11:41 am

Code: Select all: . . 3|. . 4|8 . . . 5 .|. 8 2|. . . . 1 .|. . 6|3 . 2 -----+-----+----- . 4 .|. . .|7 6 3 . . .|. 4 .|. 8 . 3 8 .|1 . .|. . . -----+-----+----- . 6 .|. . .|. . 1 . . 7|4 . 1|6 9 . 4 . .|5 . .|. . .

Enjoy solving!

200e200w

by **Marty R.** » Mon Feb 05, 2018 1:23 pm

Code: Select all: ┌────────────────────┬────────────────────┬────────────────────┐ │ 2679 279 3 │ 79 1 4 │ 8 57 5679 │ │ │ │ │ │ 67 5 49 │ 3 8 2 │ 49 1 67 │ │ │ │ │ │ 789 1 489 │ 79 5 6 │ 3 47 2 │ ├────────────────────┼────────────────────┼────────────────────┤ │ 1 4 59 │ 28 29 589 │ 7 6 3 │ │ │ │ │ │ 2579 279 259 │ 6 4 3 │ 1 8 59 │ │ │ │ │ │ 3 8 6 │ 1 79 579 │ 59 2 4 │ ├────────────────────┼────────────────────┼────────────────────┤ │ 2589 6 2589 │ 28 2379 789 │ 45 3457 1 │ │ │ │ │ │ 58 23 7 │ 4 23 1 │ 6 9 58 │ │ │ │ │ │ 4 39 1 │ 5 6 789 │ 2 37 78 │ └────────────────────┴────────────────────┴────────────────────┘

Kite (2)hinged b8
2r4c4=r8c2
2r4c4-(2=8)r7c4-r7c13=r8c1-(8=5)r8c9-(5=967)r512c9-(67=4)r1c9,r3c8
2r8c2-(2=793)r159c2)-(3=74)r93c8=> 4r3c8

by **ArkieTech** » Mon Feb 05, 2018 1:31 pm

Code: Select all: *-----------------------------------------------------------* | 2679 279 3 | 79 1 4 | 8 57 5679 | | 67 5 49 | 3 8 2 | 49 1 67 | | 789 1 489 | 79 5 6 | 3 47 2 | |-------------------+-------------------+-------------------| | 1 4 59 | 28 29 589 | 7 6 3 | | 2579 279 259 | 6 4 3 | 1 8 59 | | 3 8 6 | 1 79 579 | 59 2 4 | |-------------------+-------------------+-------------------| |b2589 6 b2589 |a28 2379 789 | 45 3457 1 | |b58 23 7 | 4 23 1 | 6 9 58 | | 4 c39 1 | 5 6 79-8 | 2 c37 c78 | *-----------------------------------------------------------* [(8=2)r7c4-(2=9)b7p134-(9=8)r9c289]-8r9c6; ste

by **SteveG48** » Mon Feb 05, 2018 2:22 pm

Code: Select all: *-----------------------------------------------------------* | 2679 279 3 | 79 1 4 | 8 57 5679 | | 67 5 49 | 3 8 2 | 9-4 1 67 | | 789 1 489 | 79 5 6 | 3 c47 2 | *-------------------+-------------------+-------------------| | 1 4 59 | 28 29 589 | 7 6 3 | | 2579 279 259 | 6 4 3 | 1 8 59 | | 3 8 6 | 1 79 579 | 59 2 4 | *-------------------+-------------------+-------------------| |a2589 6 a2589 |a28 2379 789 |a45 357-4 1 | | 58 23 7 | 4 23 1 | 6 9 58 | | 4 b39 1 | 5 6 789 | 2 b37 78 | *-----------------------------------------------------------*

(4=2589)r7c1347 - (9=37)r9c28 - (7=4)r3c8 => -4 r2c7,r7c8 ; stte

by **Cenoman** » Mon Feb 05, 2018 6:05 pm

Code: Select all: +----------------------+--------------------+---------------------+ | 2679 279 3 | 79 1 4 | 8 57 5679 | | 67 5 49 | 3 8 2 | 49 1 67 | | 789* 1 489* | 79 5 6 | 3 47 2 | +----------------------+--------------------+---------------------+ | 1 4 59 | g28 29 f589 | 7 6 3 | | 2579 279 259 | 6 4 3 | 1 8 59 | | 3 8 6 | 1 79 e579 | d59 2 4 | +----------------------+--------------------+---------------------+ | 2589* 6 2589* | 2-8 2379 789 | c45 3457 1 | | a58# 23 7 | 4 23 1 | 6 9 b58 | | 4 39 1 | 5 6 789 | 2 37 78 | +----------------------+--------------------+---------------------+

Almost X-wing (8)c37\r37 + rfr8c1
[XW(8)r7c1*=r3c1-r3c3=r7c3]
(8)r8c1 - (8=5)r8c9 - r7c7 = r6c7 - r6c6 = (5-8)r4c6 = (8)r4c4
=> -8 r7c4; stte

by **Leren** » Mon Feb 05, 2018 7:56 pm

Code: Select all: *-------------------------------------------------* | 2679 279 3 | 79 1 4 | 8 57 5679 | | 67 5 49 | 3 8 2 | 49 1 67 | | 789 1 489 | 79 5 6 | 3 47 2 | |----------------+---------------+----------------| | 1 4 59 | 28 29 589 | 7 6 3 | | 2579 279 259 | 6 4 3 | 1 8 59 | | 3 8 6 | 1 79 579 | 59 2 4 | |----------------+---------------+----------------| | 2589 6 2589 |a28 2379 789 | 45 3457 1 | | 58 c23 7 | 4 b23 1 | 6 9 58 | | 4 d39 1 | 5 6 79-8 | 2 e37 e78 | *-------------------------------------------------*

(8=2) r7c4 - (2=3) r8c5 - r8c2 = r9c2 - (3=8) r9c89 => - 8 r9c6; stte

Leren

by **pjb** » Mon Feb 05, 2018 8:01 pm

Code: Select all: 2679 279 3 | 79 1 4 | 8 57 5679 67 5 49 | 3 8 2 | 49 1 67 789 1 489 | 79 5 6 | 3 47 2 ------------------------+----------------------+--------------------- 1 4 59 | 28 29 589 | 7 6 3 2579 279 259 | 6 4 3 | 1 8 59 3 8 6 | 1 79 579 | 59 2 4 ------------------------+----------------------+--------------------- 2589 6 2589 |a28 2379 789 | 45 3457 1 c58 23 7 | 4 b23 1 | 6 9 58 d4 39 1 | 5 6 e79-8 | 2 37 78

(8=2)r7c4 - r8c5 = (2-3)r8c2 = (3-9)r9c2 = r9c6 => -8 r9c6; stte

Phil

200e200w's One-Trick Pony #9