The New Sudoku Players' Forum

by **tarek** » Thu Jan 16, 2020 11:20 am

Code: Select all: +-------+-------+-------+ | . . 6 | 1 . . | 7 . . | | 3 . . | . . . | 9 . . | | 9 . . | 8 . . | . 3 2 | +-------+-------+-------+ | . 3 7 | . . 9 | . . . | | . . 2 | 7 6 . | . . . | | . 6 . | . 3 . | 2 . 8 | +-------+-------+-------+ | . . . | . 8 7 | . . 6 | | . 5 . | 6 . 1 | . . . | | . . . | . . . | 8 1 . | +-------+-------+-------+ ..61..7..3.....9..9..8...32.37..9.....276.....6..3.2.8....87..6.5.6.1.........81.

by **Ajò Dimonios** » Thu Jan 16, 2020 12:58 pm

Hi Tarek

Code: Select all: +------------+------------+------------+ | 24 28 6 | 1 9 3 | 7 458 45 | | 3 78 45 | 45 27 26 | 9 68 1 | | 9 17 145 | 8 457 456 | 46 3 2 | +------------+------------+------------+ | 8 3 7 | 2 1 9 | 456 456 45 | | 5 4 2 | 7 6 8 | 1 9 3 | | 1 6 9 | 45 3 45 | 2 7 8 | +------------+------------+------------+ | 24 19 13 | 39 8 7 | 45 245 6 | | 7 5 8 | 6 24 1 | 3 24 9 | | 6 29 34 | 39 245 245 | 8 1 7 | +------------+------------+------------+

4r1c1=4r1c89-(4=6)r3c7-6r3c6=(45)r36c6-(45=2)r9c6-2r9c2=2r1c2=>-2r1c1=>stte

by **SteveG48** » Thu Jan 16, 2020 3:20 pm

Code: Select all: *--------------------------------------------------* | 4-2 e28 6 | 1 9 3 | 7 458 45 | | 3 e78 45 | 45 d27 26 | 9 68 1 | | 9 17 145 | 8 457 456 | 46 3 2 | *----------------+----------------+----------------| | 8 3 7 | 2 1 9 | 456 456 45 | | 5 4 2 | 7 6 8 | 1 9 3 | | 1 6 9 | 45 3 45 | 2 7 8 | *----------------+----------------+----------------| |a24 19 13 | 39 8 7 | 45 b245 6 | | 7 5 8 | 6 d24 1 | 3 c24 9 | | 6 9-2 34 | 39 245 245 | 8 1 7 | *--------------------------------------------------*

2r7c1 = r7c8 - r8c8 = (27)r28c5 - (7=82)r12c2 => -2 r1c1,r9c2 ; stte

by **Ngisa** » Thu Jan 16, 2020 5:08 pm

Code: Select all: +-------------------+--------------------+--------------------+ | 24 28 6 | 1 9 3 | 7 458 45 | | 3 b78 45 | 45 a27 26 | 9 68 1 | | 9 c17 145 | 8 457 456 | 46 3 2 | +-------------------+--------------------+--------------------+ | 8 3 7 | 2 1 9 | 456 456 45 | | 5 4 2 | 7 6 8 | 1 9 3 | | 1 6 9 | 45 3 45 | 2 7 8 | +-------------------+--------------------+--------------------+ | 24 d19 13 | 39 8 7 | 45 245 6 | | 7 5 8 | 6 4-2 1 | 3 24 9 | | 6 e29 34 | 39 f245 f245 | 8 1 7 | +-------------------+--------------------+--------------------+

(2=7)r2c5 - r2c2 = (7-1)r3c2 = (1-9)r7c2 = (9-2)r9c2 = r9c56 => - 2r8c5; stte

Clement

by **Sudtyro2** » Thu Jan 16, 2020 6:25 pm

Code: Select all: +------------------+-------------------+--------------+ | 24 28 6 | 1 9 3 | 7 458 45 | | 3 d78 45* | 45* c27 c26 | 9 68 1 | | 9 e7-1 a45+1* | 8 457 b45+6* | 46 3 2 | +------------------+-------------------+--------------+ | 8 3 7 | 2 1 9 | 456 456 45 | | 5 4 2 | 7 6 8 | 1 9 3 | | 1 6 9 | 45* 3 45* | 2 7 8 | +------------------+-------------------+--------------+ | 24 19 13 | 39 8 7 | 45 245 6 | | 7 5 8 | 6 24 1 | 3 24 9 | | 6 29 34 | 39 245 245 | 8 1 7 | +------------------+-------------------+--------------+

Almost DP(45)* using internals.
(1)r3c3 == (6)r3c6 - (6=27)r2c56 - r2c2 = (7)r3c2 => -1 r3c2; stte

SteveC

by **Leren** » Thu Jan 16, 2020 8:35 pm

Code: Select all: *-----------------------------------------* | 24 a28 6 | 1 9 3 | 7 458 45 | | 3 b78 45 | 45 c27 d26 | 9 68 1 | | 9 17 145 | 8 457 456 | 46 3 2 | |-------------+--------------+------------| | 8 3 7 | 2 1 9 | 456 456 45 | | 5 4 2 | 7 6 8 | 1 9 3 | | 1 6 9 | 45 3 45 | 2 7 8 | |-------------+--------------+------------| | 24 19 13 | 39 8 7 | 45 245 6 | | 7 5 8 | 6 24 1 | 3 24 9 | | 6 9-2 34 | 39 245 e245 | 8 1 7 | *-----------------------------------------*

(2=8) r1c2 - (8=7) r2c2 - (7=2) r2c5 - r2c6 = (2) r9c6 => - 2 r9c2; stte

Leren

by **Cenoman** » Thu Jan 16, 2020 10:44 pm

Another DP (45) (not competing with Steve's nice one

)

Code: Select all: +------------------+-------------------+-------------------+ | 24 28 6 | 1 9 3 | 7 a458* 45* | | 3 z78 45 | 45 z27 26 | 9 C6-8 1 | | 9 17 145 | 8 457 456 | 46 3 2 | +------------------+-------------------+-------------------+ | 8 3 7 | 2 1 9 | A456* B456 45* | | 5 4 2 | 7 6 8 | 1 9 3 | | 1 6 9 | 45 3 45 | 2 7 8 | +------------------+-------------------+-------------------+ | 24 19 13 | 39 8 7 | 45* w245* 6 | | 7 5 8 | 6 y24 1 | 3 x24 9 | | 6 29 34 | 39 245 245 | 8 1 7 | +------------------+-------------------+-------------------+

DP(45)r1c89, r4c79, r7c78 (BUG-lite+3) using internals
(8)r1c8
(6)r4c7 - r4c8 = (6)r2c8
(2)r7c8 - r8c8 = r8c5 - (2=78)r2c25
=> -8 r2c8: ste

by **pjb** » Thu Jan 16, 2020 10:50 pm

Code: Select all: 24 28 6 | 1 9 3 | 7 458 45 3 78 45 | 45 27 26 | 9 68 1 9 a17 145 | 8 b457 456 | 46 3 2 ------------------------+----------------------+--------------------- 8 3 7 | 2 1 9 | 456 456 45 5 4 2 | 7 6 8 | 1 9 3 1 6 9 | 45 3 45 | 2 7 8 ------------------------+----------------------+--------------------- 24 a19 13 | 39 8 7 | 45 245 6 7 5 8 | 6 b24 1 | 3 24 9 6 a29 34 | 39 b245 45-2 | 8 1 7

(2=7)r379c2 - (7=2)r389c5 => -2 r9c6; stte

Phil

by **Mauriès Robert** » Fri Jan 17, 2020 2:56 pm

Hi all,
Same resolution as Phil, but written differently with TDP :
P'(2r9c2) : -2r9c2->9r9c2->1r7c2->7r3c2->245r389c5 =>-2r9c6, stte.
Robert

January 16, 2020