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gggol May 22 @ 12:57pm
2017 SpaceChem Tournament
Welcome to the 2017 SpaceChem Tournament. I, gggol, will be your host. Send your solutions to me at simpleeqbest@hotmail.com. Let's use SpagChem's excellent tool from the 2015 tournament.

I'll post a new puzzle every week. You'll have a weekend and 2 weeks for each one. Here's the schedule:

  1. Jun 01 - Jun 18 Antimony Mining (easy)
  2. Jun 09 - Jun 25 7 or 8 (easy)
  3. Jun 16 - Jul 02 Doping (easy)
  4. Jun 23 - Jul 09 What a Waste (medium)
  5. Jun 30 - Jul 16 Long Slog (medium)
  6. Jul 07 - Jul 23 A/C without AGW (medium)
  7. Jul 14 - Jul 30 Masochism (hard)
  8. Jul 21 - Aug 06 Noble Fission (variable)
  9. Jul 28 - Aug 13 Big Hex Grid (variable)
  10. Aug 04 - Aug 20 Hilbert Curve (hard)

Scoring

Scoring is computed like in 2015, but for both cycles and symbols. Since lower scores are better, the formula for each category is: best score / your score. Most puzzles will have only 2 categories: cycles and symbol count. The total score of a puzzle entry is: best cycles / your cycles + best symbols / your symbols.

Some puzzles will have additional categories, which could be least waldos, least bonders, least use of a particular kind of symbol such as the flip-flop, least reactors (for production puzzles), least cells used by the waldos (waldopath), etc. In some of these categories (least bonders and least flip-flops), the minimum can be zero. I'll add one to everyone's scores in those categories, to avoid division by zero and scores of zero for everyone who didn't achieve the minimum.

There could also be maximums, for instance a puzzle in which there is no choice but to store waste, and the challenge is to produce as many outputs as possible before your solution clogs and breaks. For those categories, the score will be: your score / best score.

You can submit solutions as often as you like. I will use only your most recent submission for scoring. If you improve a solution in both cycles and symbols, definitely submit it. If you improve in one and worsen in another, will be hard to know whether that will give you a better score.

Due Dates
As long as it is still the day the puzzle is due somewhere in the world, I'll accept solutions. Puzzles are due by midnight in timezone GMT-12. Anywhere on Earth[en.wikipedia.org].

Exploits
No Wrong Output. That one could completely wreck some of these puzzles. Other than that, anything goes! See the 2015 Tournament guide

Links
Puzzle and solution files are on Google Drive. Puzzle files are also on Reddit researchnet. ZeroOne is keeping results on wikia[spacechem.wikia.com]

2015 Tournament
Last edited by gggol; Jul 17 @ 8:04pm
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Showing 1-15 of 426 comments
DariusOne May 23 @ 10:00am 
For anyone unaware here is the guide to using SpagChem's tool:

http://steamcommunity.com/sharedfiles/filedetails/?id=460614678

It takes a bit of setup but the step-by-step guide is on point.

Past that I like the overlapping structure; should keep things moving with stuff happening every week but leave enough time per puzzle. So yeah much thanks for hosting this and looking forward to some nice casual competition!
Last edited by DariusOne; May 26 @ 2:27pm
Leylite May 23 @ 11:15am 
I'll second that the schedule looks pretty good - even if some of those are production puzzles that's probably enough time to consider multiple approaches.

SpagChem's tool is a bit tricky to set up (I had to build it from source on my Mac), but it's quite worthwhile since you no longer have to worry about how to describe bonder priority, or otherwise mess around with screenshot bundles.

All of those puzzle titles sound kind of terrifying, and I wouldn't have it any other way.
Looking forward to it.

Originally posted by DariusOne:
the folder you put that stuff in does still need to be called "2015 SpaceChem Tournament".
I moved the stuff (other than the puzzle rounds) to a new folder with a different name, and it works. The tool itself does not identify the name of its folder. The user specifies the directory just before running the tool (i.e., where the readme file says, "with the '2015 SpaceChem Tournament' directory as the current directory," it means whatever directory the stuff is in).
Originally posted by ToughThought:
moved the stuff (other than the puzzle rounds) to a new folder with a different name, and it works. The tool itself does not identify the name of its folder. The user specifies the directory just before running the tool (i.e., where the readme file says, "with the '2015 SpaceChem Tournament' directory as the current directory," it means whatever directory the stuff is in).

Okay good to know, wrong assumptions on my part then.
Last edited by DariusOne; May 24 @ 8:11am
12345ieee May 27 @ 12:32pm 
gggol, you may want to:

* Repost this on reddit, linking here.
* Prestart with a very simple non-scored puzzle, to ensure everything flows as it should, from the tool (2015 isn't hardcoded anywhere, thankfully the source files are there) to the solutions submission.
* Receive my thanks for hosting this, while I won't participate much, it's still very fun to watch.
Is the SpaceChem tool actually necessary to enter? (I'm assuming yes, I'm just too lazy.)

Also, how do we join? I'm guessing just send a solution.
gggol May 29 @ 10:32pm 
No, you don't have to use the tool, though it really does make things easier. I'll accept screen shots.

Yes, just send solutions and you'll be in the contest.
rexkix May 30 @ 9:18am 
gggol, please consider adding links to previous tournaments in the OP. That helped me find some really neat puzzles when I discovered these things in about 2014.

Also thanks to etammate95 for posting a link to this thread in the 2016 thread. I would have missed it otherwise.
Last edited by rexkix; May 30 @ 9:37am
I posted in that thread, rexkik (as well as in the 2015 one, sorry for who got it twice).
rexkix May 30 @ 10:46am 
I am familiar with the SpaceChemTool, but I've forgotten a lot of what I knew once.

I remember play, export, import, addusers, removeusers, and I guess diagnose.
I don't remember how images, copy, copyswitched, and stats work. I also don't remember the how filters are formatted.

Can somebody remind me? Thanks.
Binky May 30 @ 12:28pm 
Thanks for the boop in the old threads! I'm definitely in, although I can't guarantee I have the time to create a good solution to any of the puzzles :p
csaboka May 30 @ 12:31pm 
Count me in, too! I'm pretty rusty so I'm sure my solutions will suck, but want to have a try at new puzzles anyway.

Do I need to sign up somewhere, or do I just wait for the first puzzle to be posted here?
Originally posted by gggol:
No, you don't have to use the tool, though it really does make things easier. I'll accept screen shots.

Yes, just send solutions and you'll be in the contest.

Okay, thanks.
-=-=<weird divider thingy i guess>=-=-
I think I have a general idea of what Long Slog will be...and it seems like a nightmare...
gggol May 30 @ 8:52pm 
12345ieee suggested I put out a puzzle that won't count, to test the tournament setup. A good idea, I thought, and I have an easy puzzle I rejected for the tournament. I'll compute the scores for any entries I receive. The scores for this puzzle will not be added to the scores in the tournament.

I decided reddit/r/researchnet would be a suitable place to post the puzzles. So here is puzzle #0, due on June 4th:

Live Fast!
Last edited by gggol; May 30 @ 9:06pm
Zig May 30 @ 9:51pm 
Oh man, 1000 outputs...

By the way, what are the rules on bugs? Same as 2015 tournament, or anything goes?
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