Web Paint-by-Number Forum
Topic #104: Challenge to puzzle creators
By Eric Francis (airdrik)

#1: Eric Francis (airdrik) on Jun 2, 2008

Here's a challenge that I've been thinking might make for very difficult puzzles:

Create a puzzle where the clues are all 1's, but where no column or row is more than 2/3 full. The puzzle must have a unique solution, and must be solvable without guessing.

It is preferable to use all colors available, and the size range somewhere between 10x10 and 30x30 (smaller wouldn't present as much challenge, larger wouldn't increase the challenge so much as make the puzzle tedious; besides becoming particularly difficult to create). Optimal size ranges would be between 20x20 and 25x25.

After creating the puzzle, please post a link to the puzzle here, as well as including in the puzzle a reference to this challenge.

Thank you, and may the challenge begin.
#2: Rea Aksglæde Karlsen (Rea) on Jun 13, 2008
Hey Eric

Great idea.
I did something very close.
The 2/3 full one is a little diffecult my puzzle is 20X20 and some columns and rows only have 6 blank with is 0.33 to little but I hope its okay.

Every other condition is filled.

It is puzzle number 2927 gonna publish it now.

please let me know what you think.
#3: Eric Francis (airdrik) on Jun 15, 2008
Thanks for the puzzle. I would love to see more such puzzles if anyone is willing.
They definitely introduce some new logic concepts involving the various colors.
#4: Gitte Olesen (granny40) on Jul 9, 2008
Oh my... I thought I was good at solving... I´m not able to solve you´r puzzle Rea. Hmm.. have to give it another try ;o)
#5: Eric Francis (airdrik) on Jul 10, 2008
To add to the list of candidates for this challenge:
Puzzle 3006 Sparklers
Puzzle 3014 Sparklers Deluxe.

Sparklers Deluxe is an especially good candidate, because it is larger, and Much harder.
#6: Marie-Louise Ambrey (marz) on Jul 11, 2008
Ok, here is a new challenge, everbody who uses this site please create at least one puzzle within the next week, please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
It doesn't matter how bad your puzzle is, just create one, please!, and you never know, we might get some great puzzles, and just as a little hint, BLACK AND WHITE ROCK!!!!

I have had a week off puzzling due to the flu, came back on and discovered 3 new puzzles, yes, only 3!!! and one of them was a bit iffy in the puzzle department.

I promise I will do my part in creating very soon too, cheers all :)
#7: Deana L (FFsWife) on Jul 11, 2008
Yep, I noticed the big drop off in creations... Darn that Naneki going on vacation! :D That's why the new candy puzzle. I'm working on another! :)
#8: Arduinna (arduinna) on Jul 11, 2008
I didn't notice-- I still have over 1000 to go!

(Didn't notice the drop off in puzzles-- DID notice Naneki was gone! LOL!)
#9: Nancy Snyder (naneki) on Jul 11, 2008
is that good or bad ?

Goto next topic

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