The New Sudoku Players' Forum

by **eleven** » Wed Mar 15, 2017 6:42 am

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

by **JC Van Hay** » Wed Mar 15, 2017 8:07 am

Code: Select all: +---------------------+------------------+-----------------+ | 135 56 (35) | 156(3) 9 4 | 2 8 7 | | 13459 24569 8 | 7 25 1356 | 1469 1459 19 | | 1459 7 2459 | 1256 8 156 | 1469 1459 3 | +---------------------+------------------+-----------------+ | 469 8 469 | 6-4(3) 1 369 | 5 7 2 | | 2 3 69(5) | 56 7 8 | 19 19 4 | | 7 9(45) 1 | 25(4) 25 59 | 3 6 8 | +---------------------+------------------+-----------------+ | 36 1 236 | 9 4 7 | 8 23 5 | | 3459 2459 7 | 8 6 15 | 149 12349 19 | | 8 459 459 | 15 3 2 | 7 149 6 | +---------------------+------------------+-----------------+

[(3)r4c4=(3)r1c4-(3=5)r1c3-(5)r5c3=(5-4)r6c2=(4)r6c4]-(4)r4c4; stte

by **Cenoman** » Wed Mar 15, 2017 9:31 am

Code: Select all: +------------------------+--------------------+--------------------+ |f135 56 3-5 | 1356 9 4 | 2 8 7 | |f13459 24569 8 | 7 25 1356 | 1469 1459 19 | |f1459 7 2459 | 1256 8 156 | 1469 1459 3 | +------------------------+--------------------+--------------------+ | 469 8 469 | 346 1 369 | 5 7 2 | | 2 3 a56 |b56 7 8 | 19 19 4 | | 7 459 1 | 245 25 59 | 3 6 8 | +------------------------+--------------------+--------------------+ | 36 1 236 | 9 4 7 | 8 23 5 | |e3459 2459 7 | 8 6 15 | 149 23 19 | | 8 d459 d459 |c15 3 2 | 7 149 6 | +------------------------+--------------------+--------------------+

SC (5)r5c3 = r5c4 - r9c4 = r9c23 - r8c1 = r123c1 => -5 r1c3; stte

Cenoman

by **JC Van Hay** » Wed Mar 15, 2017 9:58 am

Or

Code: Select all: +----------------------+--------------------+-----------------+ | 13(5) 6(5) 3(-5) | 136(5) 9 4 | 2 8 7 | | 13459 2469-5 8 | 7 25 1356 | 1469 1459 19 | | 1459 7 249-5 | 1256 8 156 | 1469 1459 3 | +----------------------+--------------------+-----------------+ | 469 8 469 | 346 1 369 | 5 7 2 | | 2 3 69(5) | 6(5) 7 8 | 19 19 4 | | 7 49(5) 1 | 24(5) 2(5) 9(5) | 3 6 8 | +----------------------+--------------------+-----------------+ | 36 1 236 | 9 4 7 | 8 23 5 | | 3459 2459 7 | 8 6 15 | 149 12349 19 | | 8 49(5) 49(5) | 1(5) 3 2 | 7 149 6 | +----------------------+--------------------+-----------------+

Jellyfish{5R1569} -> -{5r13c3, 5r2c2}; stte

by **eleven** » Wed Mar 15, 2017 8:12 pm

In newspaper puzzles i see UR's before some naked singles ...

Code: Select all: *----------------------------------------------------------* | 135 56 b35 | c1356 9 4 | 2 8 7 | | 13459 24569 8 | 7 25 1356 | 1469 1459 19 | | 1459 7 2459 | 1256 8 156 | 1469 1459 3 | |---------------------+------------------+-----------------| | 469 8 469 | d346 1 369 | 5 7 2 | | 2 3 b56 | a56 7 8 | 19 19 4 | | 7 459 1 | d4-25 a25 59 | 3 6 8 | |---------------------+------------------+-----------------| | 36 1 236 | 9 4 7 | 8 23 5 | | 3459 2459 7 | 8 6 15 | 149 23 19 | | 8 459 459 | d15 3 2 | 7 149 6 | *----------------------------------------------------------*

(25=6)r5c4,r6c5-(6=3)r15c3-r1c4=hp34r46c4 => -25r6c4, stte

Additive 3