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Log in| Search found 12 matches |
| Author | Message |
|---|---|
 Topic: Learning W-Wings |
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| leocar Replies: 11 Views: 285415 |
 Forum: Solving techniques, and terminology Posted: Mon Aug 08, 2022 10:33 pm Subject: Learning W-Wings |
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+------------+----------+----------+ | 28 1 3 | 28 7 5 | 9 4 6 | | 49 7 2489 | 3 89 6 | 1 28 5 | | 6 5 289 | 289 1 4 | 3 7 28 | +------------+----------+----------+ | 49 3 ... |
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| Topic: Learning W-Wings |
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| leocar Replies: 11 Views: 285415 |
Forum: Solving techniques, and terminology Posted: Thu Jun 30, 2022 3:01 am Subject: Learning W-Wings |
| Hi, while I was waiting for another VH, I looked at one from a few years back (I think it was from Tue 3-Jun-2014). After completing a X-Y wing I was left with the puzzle below which is graded hard. ... | |
| Topic: Learning W-Wings |
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| leocar Replies: 11 Views: 285415 |
Forum: Solving techniques, and terminology Posted: Thu Jun 16, 2022 10:41 pm Subject: Learning W-Wings |
| Thank you both for the replies. It has helped me understand the method better as well as proving it and having another potential solving method. | |
| Topic: Learning W-Wings |
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| leocar Replies: 11 Views: 285415 |
Forum: Solving techniques, and terminology Posted: Thu Jun 16, 2022 3:17 am Subject: Learning W-Wings |
| Hi, I'm learning how to find and use W-Wings. Today's daily sudoku (16/06/2022) I think may have had one even though it has nothing to do with solving the puzzle. Can someone please let me know if I h ... | |
| Topic: Sudoku book puzzle |
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| leocar Replies: 2 Views: 20840 |
Forum: Other puzzles Posted: Thu Jan 02, 2014 2:39 am Subject: Sudoku book puzzle |
| Thanks, thought the solution wasn't too difficult, just couldn't see it. | |
| Topic: Sudoku book puzzle |
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| leocar Replies: 2 Views: 20840 |
Forum: Other puzzles Posted: Thu Jan 02, 2014 12:34 am Subject: Sudoku book puzzle |
| Hi, I'm stuck on the puzzle below in my Sudoku book. Can anyone help me please. Thanks
Leo +-----------+-------------+--------------+ | 6 1 9 | 2 5 38 | 38 7 4 | | 7 5 8 ... |
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| Topic: Difficult puzzle |
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| leocar Replies: 2 Views: 19085 |
Forum: Other puzzles Posted: Thu Jun 03, 2010 9:25 am Subject: Difficult puzzle |
| Hi, I came across this puzzle but got stuck very early. Can someone please help me with the next step as I am at a loss. Thank you.
Leo +----------------+-------------+----------------+ | 7 ... |
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| Topic: Local Paper Puzzle |
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| leocar Replies: 12 Views: 51386 |
Forum: Other puzzles Posted: Sat May 15, 2010 4:15 am Subject: Local Paper Puzzle |
| Thank you for the responses. I think I have the W-Wing worked out (I hope). So if the start is the R2C8 23 then linked to the 2 in R3C7, then linked to the 2 in R9C7 and ending with the 23 in R9C5. No ... | |
| Topic: Local Paper Puzzle |
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| leocar Replies: 12 Views: 51386 |
Forum: Other puzzles Posted: Fri May 14, 2010 11:41 am Subject: Local Paper Puzzle |
| Is it the 2 in R9C8 which is eliminated leaving 36 but I can't see the next step. Much to my frustration! Is there another X wing that I'm missing?[/quote] | |
| Topic: Local Paper Puzzle |
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| leocar Replies: 12 Views: 51386 |
Forum: Other puzzles Posted: Fri May 14, 2010 10:46 am Subject: Local Paper Puzzle |
| Hi,
below is where I got with basics (further below is the original puzzle) but can't get any further. The puzzle is out of a local paper. The grader says it’s too difficult, is this true and it’s ... |
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| Topic: Very Hard 13-01-2009 |
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| leocar Replies: 2 Views: 21380 |
Forum: Daily Sudoku puzzles Posted: Fri Mar 05, 2010 7:22 am Subject: Very Hard 13-01-2009 |
| Thank you for that, for some reason I was using the cell I was trying to eliminate from as the pivot! It's much clearer now.
Cheers Leo |
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| Topic: Very Hard 13-01-2009 |
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| leocar Replies: 2 Views: 21380 |
Forum: Daily Sudoku puzzles Posted: Thu Mar 04, 2010 5:46 am Subject: Very Hard 13-01-2009 |
| Hi, I'm just learning how to complete the very hard sudoku's and I'm confussed with the x-y wings. I have attached a code from 13-01-2009 VH.
I thought there was an x-y wing 567 (R6C1, R5C3, R4C8) ... |
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