Puzzles related to Patterns Game patterns

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Find the naked quad

Postby m_b_metcalf » Sat May 08, 2021 8:44 am

Code: Select all
 . . 1 . . . . . 2
 . 2 . . . 3 . 1 .
 4 . . . . . 5 . .
 . . . 6 . 4 . . 1
 . 1 . . 7 . . 8 .
 2 . . 9 . 1 . . .
 . . 3 . . . . . 9
 . 8 . 2 . . . 3 .
 6 . . . . . 7 . .    X-sudoku, pattern 418
Last edited by m_b_metcalf on Tue Apr 18, 2023 8:30 am, edited 1 time in total.
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m_b_metcalf
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Re: Find the naked quad

Postby Hajime » Sun May 09, 2021 12:28 pm

m_b_metcalf wrote:
Code: Select all
 . . 1 . . . . . 2
 . 2 . . . 3 . 1 .
 4 . . . . . 5 . .
 . . . 6 . 4 . . 1
 . 1 . . 7 . . 8 .
 2 . . 9 . 1 . . .
 . . 3 . . . . . 9
 . 8 . 2 . . . 3 .
 6 . . . . . 7 . .    X-sudoku, pattern 418


Nice, and this one is an Asterisk with the same pattern.
Basic methods up to naked Quad, but even possible to solve without Quads,Triples and Pairs; only Pointing/Claiming
Code: Select all
#1//B4,A
   +--------+--------+--------+ 
   |       5|        |       6| 
   |    4   |       5|    8   | 
   | 8      |        | 9      | 
   +--------+--------+--------+ 
   |        | 6     4|       3| 
   |    8   |    7   |    6   | 
   | 4      | 9     1|        | 
   +--------+--------+--------+ 
   |       4|        |       1| 
   |    5   | 7      |    2   | 
   | 6      |        | 3      | 
   +--------------------------+ 
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Re: Puzzles related to Patterns Game patterns

Postby Hajime » Sun May 09, 2021 3:50 pm

And this one is a Windoku from the same pattern #418 that needs Pointing/Claiming and several XY-Wing.
Code: Select all
..6.....5.2...5.7.9.....8.....6.4..7.5..7..4.4..9.1.....8.....1.1.5...9.6.....3..
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Re: Puzzles related to Patterns Game patterns

Postby m_b_metcalf » Fri Jul 09, 2021 9:15 am

Code: Select all
 . . 1 2 . . . . .
 . 2 3 . 4 . . . .
 4 5 . . . 6 . . .
 3 . . . . . 7 . .
 . 1 . . 8 . . 5 .
 . . 4 6 . . . . 2
 . . 9 1 . . . 6 7
 . 4 . . 6 . 2 9 .
 . . . . . 9 5 . .   X-sudoku, PG 425, for humans
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Spot the quad!

Postby m_b_metcalf » Wed Sep 29, 2021 1:10 pm

Code: Select all
 1 . 2 3 . . . . .
 . 4 5 . 2 . . 6 .
 7 3 . . . 4 . . .
 8 . . . . . . . 1
 . 1 . . . . . 2 .
 . . 3 . . . 8 . .
 . . . . . 3 . 1 6
 . 7 . . 8 . 5 3 .
 . . . 6 . . 4 . 8  X-sudoku, PG 435. Spot the quad!

1.23......45.2..6.73...4...8.......1.1.....2...3...8.......3.16.7..8.53....6..4.8
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