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Pat
Joined: 23 Feb 2010
Posts: 207
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 Posted: Mon Apr 22, 2013 12:18 pm Post subject: champagne # 205 # (36210) # |
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| RobertRattley (2013.Apr.20) wrote: |
my solving techniques
are steered by knowledge of the classification.
- If a puzzle is "very hard",
I assume I'll reach a point where a wing will be needed,
- and conversely if it is "hard"
I'll be confident that I won't reach such a point.
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the following puzzle only needs "basic" moves
would you classify it "hard" ?
1.......2.3.4..5....2....6..5.31.......7.8..4....95....7....4....6....8.9...2...6
[ play ]
| Code: |
1 . . | . . . | . . 2
. 3 . | 4 . . | 5 . .
. . 2 | . . . | . 6 .
-------+-------+------
. 5 . | 3 1 . | . . .
. . . | 7 . 8 | . . 4
. . . | . 9 5 | . . .
-------+-------+------
. 7 . | . . . | 4 . .
. . 6 | . . . | . 8 .
9 . . | . 2 . | . . 6
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Mon Apr 22, 2013 2:19 pm Post subject: |
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| I needed two triples to solve this puzzle. I would consider it Hard. Hard to me are puzzles requiring triples or quads but using only basic moves. |
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Pat
Joined: 23 Feb 2010
Posts: 207
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| Posted: Mon Apr 22, 2013 2:58 pm Post subject: |
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using only "basic" moves, i needed a total of 8 moves
this may explain the "VH" grade
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Pat
Joined: 23 Feb 2010
Posts: 207
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| Posted: Thu Apr 25, 2013 11:39 am Post subject: |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Thu Apr 25, 2013 12:04 pm Post subject: |
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An x-wing is often easier than a triple to spot and preferable. This does not change the rating of the puzzle. If it can be solved with locked sets and locked cells and contains a triple or quad it is classified as hard in my mind.
Sometimes I can spot an x-wing easier than a naked single. This doesn't make an "easy" puzzle "very hard"  |
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