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Lucky Luc
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I had completely forgotten how awesome this game is! I felt creative the last few days and made three new (mostly simple, I think) research puzzles; you can find them in my updated first post.

quote:
My guess is that chemical notation leaving hydrogens implicit didn't quite fly, but it's pretty essential for recapitulating larger molecules in SpaceChem.


That is quite an interessting approach, I've never thought of that. It really seems to be a good way to construct bigger molecules, but I must say that it needs some getting used to. Especially the heteroatoms look kind of strange without the H's.

I have solved Skeletal Amino Acid Catabolism so far, which was quite enjoyable. Chemotherasynthesis also looks pretty cool, but I think I need some more time for that ;) . (I have no idea how to solve either of your puzzles in the Journal, by the way :blush ).

quote:
I managed to solve Acidic Anhydrides with 2764/5/162 - I'm just glad I was able to figure out a relatively simple method for making sulfuric and nitric acids in one reactor, despite the fact that it's slow.


Funnily, this sounds quite similiar to my solution (though I've used one reactor less and was waaay slower) - this level might be tighter than I thought.

And right, here are my (terrible) stats, in case you care:

Hunter Process: 5312/4/79
Nonsense Orcanic: 698/1/61
Tetrazene Isomers: 8105/6/185 (by the way, I completely failed to solve this one correctly. I'd eventually get a clogged pipe, but fortunately it was enough for fourty molecules ;) )
Uranium Oxide Reduction: 467/1/33
Cyanide Reassembly: 6314/2/106
Click here to view the secret text
Skeletal Amino Acid Catabolism: 1337 (yeay, I'm so leet!)/1/81
01-16-2013 at 08:20 PM
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Chaco
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Hmm, very interesting. For Cyanide Reassembly I was able to get 6065/2/133 - with two loops rather than three. However, I needed a bunch more symbols to do that.

Here's my reactor layouts.

I'm really interested in seeing your solution to this problem, since it looks like you found a simpler way to assemble the molecule (what with using fewer symbols). Mine is pretty messy and I'm not sure how I would optimize it without starting over from scratch.

----

Also, my solution for Tetrazene Isomers is 13232/6/314, which is terrible - but it will run forever! If you're interested in the specifics, let me know.

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[Last edited by Chaco at 01-17-2013 03:25 PM]
01-17-2013 at 03:19 PM
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Lucky Luc
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Your solution really looks quite different from mine; seems like I was a bit more careful with cutting down the molecule. I also managed to save about 800 cycles just by repositioning a few Sync symbols, so that my score is now 5507/2/106. I guess there's still some room for improvement, though.

So here's my reactor setup

As for Tetrazene Isomeres, my stoichiometry is only slightly wrong (I used 1:1 and would need 5:6 I think) and there would probably be some way to fix it, but I'm too lazy to do so. I'd still like to see your strategy; I wonder if it's in any way similiar to mine.
01-17-2013 at 07:06 PM
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Chaco
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Yeah, as I suspected, your Cyanide Reassembly solution is impressive and consists of very simple steps for each of the three cycles. It keeps the atoms in mostly the same positions too; I ended up having to move mine around a lot. So kudos :)

--

Here's my Tetrazene Isomers solution. Again, it's a workable one, but not one of those truly great solutions.

Reactor setup

A quick tour of the solution:

Click here to view the secret text


Anyway, if you're going to say your solution clogs up eventually, of course I'd like to see it. It brings to mind those wonderful solutions from the now-concluded SomethingAwful SpaceChem tournament, which would only produce the exact output requirements, and crash sometime in the future, but get the job done fast. ;)

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[Last edited by Chaco at 05-27-2013 01:07 AM : replaced Something Awful thread link with an LP Archive link]
01-18-2013 at 02:08 AM
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Lucky Luc
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Wow, this is a very clean solution! Mine might be a bit faster, but it's quite messy. Here it is. EDIT: Oops, messed up #4, sorry! Here is the real #4

As you've probably guessed, the red pipe is the one that will eventually clog up. As you can see, reactors 1&2 split up the Hydrogen and Nitrogen streams, reactor 3 constucts Fork Tetrazene, 4&5 construct Chain and Cyclotetrazene and #6 finally sends them to the right containers.

The main idea of my solution is that Chain and Cyclotetrazene can be carved from the same structure (see 4&5). It has two stoichiometry problems, though:
(1) Twice as much Fork Tetrazene as necessary is formed.
(2) The distribution of H's should obviously be 5:6, not 1:1

If I managed to fix the distributions of reactors 1 (2:1) and 2 (5:3), I guess my solution would actually be reasonably fast. I think I have to try this some time.

EDIT 2: Okay, I tried it now, the solution now works infinitely and I managed to save quite a few cycles. New stats: 6892/6/204

[Last edited by Lucky Luc at 01-18-2013 01:53 PM]
01-18-2013 at 01:34 PM
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Dischorran
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Hunter Process: 4734/6/131. BUT: no sensor reactors.

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01-19-2013 at 06:20 AM
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Lucky Luc
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Chemotherasynthesis: 975/1/88. No quantum tunnels. Quite proud of myself now ;)
01-19-2013 at 09:31 PM
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Chaco
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Okay, I published about 10 more new puzzles today. This may partially explain where my time went.

Puzzles (same link as last time)

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04-20-2013 at 09:48 PM
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Banjooie
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I do not understand why I am so dumb, but as soon as we started using sensor reactors I could no longer handle this game.
04-21-2013 at 01:27 AM
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Chaco
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Oh, gosh, I thought I had already posted about this, but apparently it slipped my mind and I never got around to it.

The Something Awful SpaceChem 2013 tournament is underway, and it's currently in the third round of its open submission tournament, which means that you, yes you, the reader, can still submit solutions even if you didn't participate in the first two rounds. It's hosted by WildM, one of the major personalities of the previous tournament.

Something Awful thread
Steam Users' Thread

The usual suspects from last year are still around and have been highly successful, but I can personally attest that it's possible for normal people to do well; I got third place on one of the puzzles in the first round.

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06-25-2013 at 02:53 AM
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Pearls
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quote:
Chaco wrote:
...but I can personally attest that it's possible for normal people to do well; I got third place on one of the puzzles in the first round.


Uh huh.

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[Last edited by Pearls at 06-25-2013 04:14 PM]
06-25-2013 at 04:13 PM
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Chaco
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What are you talking about Pearls, splitting gold and silver into oxygen using nuclear fission is totally a thing normal people do nowadays.

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[Last edited by Chaco at 06-25-2013 06:02 PM]
06-25-2013 at 06:02 PM
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Chaco
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Just a reminder to people still playing this game: the annual tournament has started, and it's hosted on the Steam forums this time.

The format is a lot less centralized this time: each puzzle submitter is also the one responsible for receiving the solutions and tabulating the results.

The four puzzles currently available are a good mix of difficulties, and they're all incredibly interesting optimization problems.

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07-08-2014 at 10:55 PM
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vinheim
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quote:
Banjooie wrote:
I do not understand why I am so dumb, but as soon as we started using sensor reactors I could no longer handle this game.


This. And all this chance based input, especially on production levels. Really fun game though
08-04-2014 at 01:41 AM
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Chaco
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It's that time of year again!

The 2015 SpaceChem Tournament will be starting next Monday, and there's sure to be even more efficiency analysis, seemingly simple puzzles, strange tasks, and of course, posturing.

You don't need to be a pro to participate, just interested in the game.

Here's a puzzle I had lying around earlier that I've just posted publicly:

Acetic Upgrade

H4sIAJD0g1UA/42QPWvDMBCG/0q52YaTXEKwppAlQyFD26l0UOVzLFAko4/BNe5vr1SH4tIORX
CgRy967m4GbccU63dnKUA7A5byxfL1ZYarM6SSIWjhoChqdXdQuhPH0wc2x/P5JJAxhoJhPoKx
HcuVM0TBcY9c8ExQNGyfX5vCoQLlko3QMr68LksFLsXfHWy0T4N2clXLjfrxv2q2+8ONxTzIUB
vpL1SvPUDbSxOogjdnO/L1LXy/JgPZ4Px3pqA+Bcok+nQDYTQ6RvqZimRodH6L4zSW0TwFkl4N
uTErr5sdP48XLzvKXKY4FCs80JT/LqjTfa/zcuIELS6fuhAPVcIBAAA=

http://i.imgur.com/0nHt3Vk.png

My best score so far is 152/1/61 for cycle optimization. Today I'll see if I can optimize this for symbols, but it's a pretty inherently complicated problem.

EDIT: Managed a score of 384/1/38 for symbols.

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[Last edited by Chaco at 06-19-2015 04:36 PM]
06-19-2015 at 03:47 PM
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LeoS
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I just found SpaceChem on GOG for a whopping 99 cents!
06-19-2015 at 04:56 PM
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ErikH2000
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I tried SpaceChem years back and gave up on it. It just was asking for too much concentration from me at the time.

Then I went back to it this month and tried it again with a better attention span. Now I love this game!

It does cause me to think I should stop playing the game and go do some real programming though.

-1st Watcher

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Animations I made: Always the Boss * Paliwal's Pecans * Office Hate * Sleepless Night
Some stuff I wrote: Top 10 Mazes You Canít Solve By Following the Right Wall * Let's Just Lie About Dieting * The Philosophical Reason for Running * Dare to be Mediocre!
04-01-2016 at 10:58 PM
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Chaco
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Hmm, somehow I forgot to bump this thread for the 2016 and 2017 tournaments.

Anyway, the 2018 SpaceChem Tournament will be starting in about a couple of weeks. Featuring the same kinds of cycle, symbol, and mixed-metric optimization featured in prior years.

This year 12345ieee from Italy will be hosting, but he asked nicely for puzzle donations and I happened to be sitting on several I designed over the past three or so years, so some (many?) will be made by me.

I'll probably be too busy to participate myself, but if you'd been looking for an excuse to play the game again, I can promise the tournaments are an excellent excuse to submit solutions and get great feedback.

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06-11-2018 at 05:10 AM
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