The New Sudoku Players' Forum

by **tarek** » Thu Feb 20, 2020 10:36 am

Code: Select all: +-------+-------+-------+ | . . . | 3 . . | 4 . 9 | | . . 1 | . 8 2 | . 7 . | | . 3 . | 4 9 . | . . 5 | +-------+-------+-------+ | 8 . 2 | . . 4 | . . . | | . 7 4 | . 3 . | . . 2 | | . 9 . | 8 . . | . . . | +-------+-------+-------+ | 3 . . | . . . | . . 8 | | . 1 . | . . . | . . . | | 2 . 5 | . 4 . | 1 . 6 | +-------+-------+-------+ ...3..4.9..1.82.7..3.49...58.2..4....74.3...2.9.8.....3.......8.1.......2.5.4.1.6

by **rjamil** » Thu Feb 20, 2020 6:42 pm

Code: Select all: +-----------+-----------------+---------------+ | 5 2 68 | 3 67-1 167 | 4 (18) 9 | | 9 4 1 | 5 8 2 | 6 7 3 | | 7 3 68 | 4 9 16 | (28) 128 5 | +-----------+-----------------+---------------+ | 8 5 2 | 69 67 4 | 379 36 1 | | 16 7 4 | 169 3 1569 | 589 568 2 | | 16 9 3 | 8 2 1567 | 57 56 4 | +-----------+-----------------+---------------+ | 3 6 7 | 129 (15) 19 | (25) 4 8 | | 4 1 9 | 26 56 8 | 235 235 7 | | 2 8 5 | 7 4 3 | 1 9 6 | +-----------+-----------------+---------------+

Almost Locked Set move: 1258 @ r7c57 r3c7 r1c8 => -1 @ r1c5; stte

R. Jamil

by **Leren** » Thu Feb 20, 2020 7:52 pm

Code: Select all: *--------------------------------------* | 5 2 68 | 3 d167 167 | 4 c18 9 | | 9 4 1 | 5 8 2 | 6 7 3 | | 7 3 68 | 4 9 16 |a28 b128 5 | |---------+---------------+------------| | 8 5 2 | 69 67 4 | 379 36 1 | | 16 7 4 | 169 3 1569 | 589 568 2 | | 16 9 3 | 8 2 1567 | 57 56 4 | |---------+---------------+------------| | 3 6 7 | 129 e15 19 |f5-2 4 8 | | 4 1 9 | 26 56 8 | 235 235 7 | | 2 8 5 | 7 4 3 | 1 9 6 | *--------------------------------------*

(2) r3c7 = (2-1) r3c8 = r1c8 - r1c5 = (1-5) r7c5 = (5) r7c7 => - 2 r7c7; stte, or

Code: Select all: *---------------------------------------* | 5 2 68 | 3 167 167 | 4 18 9 | | 9 4 1 | 5 8 2 | 6 7 3 | | 7 3 68 | 4 9 16 | 28 128 5 | |---------+---------------+-------------| | 8 5 2 |b69 67 4 | 379 c36 1 | |a16 7 4 |a169 3 a1569 | 589 8-56 2 | | 16 9 3 | 8 2 1567 | 57 c56 4 | |---------+---------------+-------------| | 3 6 7 | 129 15 19 | 25 4 8 | | 4 1 9 |b26 56 8 | 235 c235 7 | | 2 8 5 | 7 4 3 | 1 9 6 | *---------------------------------------*

2 Pincer ALS XY Wing: (56=9) r5c146 - (9=2) r48c4 - (2=56) r468c8 => - 56 r5c8; stte

Leren

by **SteveG48** » Thu Feb 20, 2020 9:42 pm

Code: Select all: *------------------------------------------------------------* | 5 2 68 | 3 167 167 | 4 18 9 | | 9 4 1 | 5 8 2 | 6 7 3 | | 7 3 68 | 4 9 16 | b8-2 128 5 | *-------------------+-------------------+--------------------| | 8 5 2 |d69 67 4 | 379 36 1 | | 16 7 4 |c169 3 c1569 | b589 568 2 | | 16 9 3 | 8 2 1567 | 57 56 4 | *-------------------+-------------------+--------------------| | 3 6 7 | 129 15 19 |af25 4 8 | | 4 1 9 |d26 56 8 |ae235 e35-2 7 | | 2 8 5 | 7 4 3 | 1 9 6 | *------------------------------------------------------------*

2r78c7 = (28-9)r35c7 = 9r5c46 - (9=62)r48c4 - 2r8c78 = 2r7c7 => -2 r3c7,r8c8 ; stte

February 20, 2020