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Irregular Challenging Vanilla #1 http://www.rcbroughton.co.uk/sudoku/forum/viewtopic.php?f=5&t=296 |
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Author: | Børge [ Wed Oct 15, 2008 8:56 pm ] |
Post subject: | Irregular Challenging Vanilla #1 |
601407000382000000900001003000300200200106009007004000400800006000000928000709304 Hint 1: Hidden Text: Hidden Text: |
Author: | udosuk [ Sat Oct 18, 2008 8:33 am ] |
Post subject: | Re: Irregular Challenging Vanilla #1 |
Code: 6.14.7... 382...... 9....1..3 ...3..2.. 2..1.6..9 ..7..4... 4..8....6 ......928 ...7.93.4 The hints given by Børge will lead you to the textbook solution path for this puzzle. However... we can always explore different "unorthordox" tricks to crack puzzles. Here I will show you a couple: Hidden Text: |
Author: | Børge [ Sat Oct 18, 2008 12:48 pm ] |
Post subject: | Re: Irregular Challenging Vanilla #1 |
Suddenly realized that I had forgotten to post the sudoku code for Irregular Challenging Vanilla #1. It has now been added to the original post. |
Author: | Børge [ Sat Oct 18, 2008 2:21 pm ] |
Post subject: | Re: Irregular Challenging Vanilla #1 |
Udosuk, Thanks a lot for your "unorthordox" views on solving this puzzle. Based on your observations, here some other "unorthordox" routes for solving this puzzle. Hidden Text: |
Author: | Glyn [ Sat Oct 18, 2008 7:48 pm ] |
Post subject: | Re: Irregular Challenging Vanilla #1 |
As Borge is a certified Sudoku setter we know he would only pose a puzzle with a unique solution. Hidden Text: |
Author: | Børge [ Sat Oct 18, 2008 8:23 pm ] |
Post subject: | Re: Irregular Challenging Vanilla #1 |
Glyn, a brilliant solution JSudoku is unable to find it ... A BUG Glyn wrote: As Borge is a certified Sudoku setter we know he would only pose a puzzle with a unique solution. Where can I obtain the certificate or diploma attesting this?Just for the record: I have not created Irregular Challenging Vanilla #1 myself. I borrowed it from a Norwegian magazine. |
Author: | Glyn [ Sun Oct 19, 2008 9:56 pm ] |
Post subject: | Re: Irregular Challenging Vanilla #1 |
This puzzle has a Sudoku Explainer rating of 7.1. Incidentally the two eliminations I exposed there with a Unique Rectangle are found by Sudoku Explainer as separate Contradiction Forcing Chains with tariffs of 8.9 each. I guess it would be unlikely a program would suggest these when many easier moves were available. As a uniqueness move they are much less taxing, but I'm not sure whether any programs available would find them . |
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