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SSCAIT 2018 prospects

The tournament starts with the usual round robin. There are 72 players, down from 78 last year due to stricter rules and a trend to disable weaker bots. The top 16 round robin finishers will go on to a final in a knockout format. Last year I predicted—not with full confidence—that Steamhammer would finish between #4 and #8. It ended up dead in the middle at #6. My predictions are not usually that accurate, but I won’t let that stop me.

First, let me get a handle on the top bots. Some familiar players are out, either by the author’s choice or by the rules.

Krasi0Wacky Krasi0P, not powerful Krasi0 terran.
SAIDAUpdated with scary new skills.
LocutusUpdated.
BananaBrainUpdated.
PurpleWaveSwitched in on the last day as a “surprise”.
Killerbot(Marian Devecka) Updated.
CherryPiOut, due to shared author rules.
Tscmoo familyTscmoo protoss.
DaQinOut, presumably because it is too like Locutus.

SAIDA is of course the favorite for #1. Obviously the protoss trio Locutus, BananaBrain, and PurpleWave should finish high. PurpleWave is a black box. It was left disabled in the run-up to the tournament, no doubt while the author prepared, then switched in on the last day: It is prepared for us, we are not prepared for it. Killerbot by Marian Devecka is the other top contender. These 5 will fill in the top 3 almost surely, and likely the next 2 places as well.

Iron should do well too, though it has fallen behind. Hao Pan has improved greatly. McRave seems to remain inconsistent against weaker opponents, but should perform well. I find it hard to foresee how the lower end of the top 16 will fill out. For the Tscmoo family, the author did not disable unwanted variants, so the organizers did it instead, choosing Tscmoo protoss as the representative. (Last year they said they’d choose randomly; this year I don’t see a decision criterion stated.) Tscmoo can surprise, but this version doesn’t look like a contender. XIMP by Tomas Vajda is no longer likely to finish in the top 16, since its rivals have learned to cope—that is a change, last year it finished #12.

For Steamhammer, I am disheartened by a couple of undiscovered serious bugs in its very last game before the tournament began. Still, I did fix other bugs, and the buggy test versions performed fairly well. I am predicting Steamhammer to finish from #7 to #13 and safely make it into the final—again, not with full confidence.

“Good luck to everyone” is a wimpy wish. Absolute victory to everyone! Crush all in your path!

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McRave on :

Glad I wasn't on your list, don't want to disappoint anyone but I definitely just put up a weak development version for fun. Best of luck Jay!

LetaBot on :

Hey Jay,

I was just about to write my own predictions when I saw your blog. I posted mine on my TeamLiquid blog:

https://www.teamliquid.net/blogs/540151-starcraft-ai-tournament-sscai-predictions

Dan on :

PurpleWave was disabled a few weeks ago due to slowing down the stream in long games, especially with lots of Spider Mines + Interceptors. The performance is now fixed -- better than it's basically ever been, actually, since PurpleWave was much more than a wee-little proxy gater. All the changes are from the last month, anyhow -- it went untouched from CIG until 11/20.

Dilyan on :

Everybody forgets about proxybot. I think it has good potential and definetely should be in top 16 if not top 10.

Jay Scott on :

Proxy seems inconsistent to me, sometimes looking strong and sometimes losing unexpectedly. It does have potential, at worst.

MarcoDBAA on :

Ok, did watch some games now.

Newest SAIDA can drop vs all races.
He also did a Bio-SCV rush vs MadMixP, but that one wasn´t too effective, even though he won finally.

There seem to be new skills, but are these the right ones? Because BananaBrain and Locutus already rushed him successfully.

Marian builds mutas vs zerg too now, but this did not look too good vs Arrakhammer and he lost. Might win vs the strong protoss bots however.

I do not underestimate Purplewave either. But the tournament might be to short to find answers.

Would have believed in McRave maybe, but no new update.
So rather not.

Jay Scott on :

SAIDA can also cliff drop, and it can bunker your natural. I wonder what else?

Dan on :

They added a pro-style reactive bunker rush against Nexus-first openings, addressing one of their major weaknesses (eco cheese). Pulls ~6 Marines, 6 SCVs, and the first Vulture. Very dangerous.

Jay Scott on :

Hmm, I wonder... if you make nexus first in a hidden base, can it guess what you are doing from the probe count and the timing?

Dan on :

I would guess not. All the strategy detections I saw in the AIIDE code were based on affirmative scouting. The bunker rush also doesn't happen every time -- it may be dependent on map size and base-scouting order. Nexus-first also can resemble Gate-first no-Core expansion, against which the bunker rush is dicey, so if the Nexus isn't right on time (as measured by HP) that might be grounds for avoiding the reaction.

MarcoDBAA on :

Featuring an underdog I watched a nice win by Simplicity vs krasi0P.

Countered all cheeses krasi0P tried. Waiting behind the sunkens until massing enough troops to break out. DTs were useless because Overlords were always in range. When the carriers came into play, he build spore colonies and massed hydras and scourge. Nice drops hurt krasi0s economy and best of all, he finished him off with BM hatcheries :P xD

Even though this isn´t terran krasi0, you have to say that Simplicity did much better than SAIDA or McRave at least. ;)

Jay Scott on :

Agreed, that was a good game by Simplicity.

Tully Elliston on :

KrasioOP is fun to watch, but it's not well tuned. It's mass production of DT and then indecisive oscillating use of them is painful

Tully Elliston on :

Anyone got the URL to the page where you can watch the sscait replays?

Jay Scott on :

They’ve just restructured it. There are replay links next to the game results at https://sscaitournament.com/index.php?action=scoresCompetitive plus replays on each bot’s page.

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