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Downvoting maps increasing chance of mirror match? - Page 2

Forum Index > SC2 General
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danielsan
Profile Joined December 2010
Romania399 Posts
Last Edited: 2011-01-17 21:01:46
January 17 2011 21:01 GMT
#21
you shouldnt exclude the possibility of preferences adding some sort of weight though. We know opponents are chosen by MMR so at any point in time there should be a pool of players with roughly the same MMR waiting for a match.

To get the games starting as soon as possible the system could take a shortcut and match say T and T as they both have same exclusions and further T will just clump up the queue.
ZappaSC
Profile Joined May 2010
Denmark215 Posts
January 17 2011 21:03 GMT
#22
Back in the beta i had a long period only getting TvT. So i removed Kulas Ravine and .. delta?
Boom non TvTs, or at least fewer since all the zergs had KR downvoted.
Fa1nT
Profile Joined September 2010
United States3423 Posts
January 17 2011 21:03 GMT
#23
This is true.

I don't see how people can argue against this.

Every zerg downvotes steppes, delta, and jungle, so obviously the remaining maps will have a higher number of zergs to play.
Lobo2me
Profile Joined May 2010
Norway1213 Posts
January 17 2011 21:11 GMT
#24
On January 18 2011 06:03 Fa1nT wrote:
This is true.

I don't see how people can argue against this.

Every zerg downvotes steppes, delta, and jungle, so obviously the remaining maps will have a higher number of zergs to play.

It means more zerg games will be played on it, which doesn't mean more ZvZ.

I can veto 3 out of 8 maps in the pool. Let's say there are 3 people searching, and each of them are perfect matches for each other.
Player 1 vetoed JB, Steppes and DQ.
Player 2 and 3 vetoed Blistering Sands, Scrap Station and Lost Temple.
Player 1 has 2 out of 8 possible maps if he's up against Player 2 or 3, while 2 and 3 have 5 possible maps they can play on. Does it mean that Player 2 has 2.5 times higher chance of playing against player 3 than he has of playing against Player 1, because there's 5 possible maps instead of 2?

Most likely not. I highly doubt the matchmaker goes "let's make a game on Jungle Basin, let's take the first player that searches for it and pair him up with someone else around the same skill level that also hasn't vetoed it".
Bad manners are better than no manners at all.
Black Gun
Profile Blog Joined July 2009
Germany4482 Posts
January 17 2011 21:13 GMT
#25
it is obvious that downvoting would increase the amount of mirrors IF the map preferences are checked before choosing opponents. if on the other hand the opponents are first chosen and then a map that both havent downvoted, then it would not increase the amount of mirros, but it would skew the relative frequency with which mirrors take place on certain maps.
"What am I supposed to do against this?" - "Lose!" :-]
happyness
Profile Joined June 2010
United States2400 Posts
Last Edited: 2011-01-17 21:15:49
January 17 2011 21:13 GMT
#26
I get a lot of PvP's, but I always thought that was because there are a lot of protoss in mid-diamond level (2700 pt.)

Maybe their are a lot of zergs on your level? Because I have the same maps downvoted for the specific purpose of working on my PvZ, but I still get a ton of PvP's
danielsan
Profile Joined December 2010
Romania399 Posts
Last Edited: 2011-01-17 21:22:06
January 17 2011 21:21 GMT
#27
On January 18 2011 06:11 Lobo2me wrote:
Show nested quote +
On January 18 2011 06:03 Fa1nT wrote:
This is true.

I don't see how people can argue against this.

Every zerg downvotes steppes, delta, and jungle, so obviously the remaining maps will have a higher number of zergs to play.

It means more zerg games will be played on it, which doesn't mean more ZvZ.

I can veto 3 out of 8 maps in the pool. Let's say there are 3 people searching, and each of them are perfect matches for each other.
Player 1 vetoed JB, Steppes and DQ.
Player 2 and 3 vetoed Blistering Sands, Scrap Station and Lost Temple.
Player 1 has 2 out of 8 possible maps if he's up against Player 2 or 3, while 2 and 3 have 5 possible maps they can play on. Does it mean that Player 2 has 2.5 times higher chance of playing against player 3 than he has of playing against Player 1, because there's 5 possible maps instead of 2?

Most likely not. I highly doubt the matchmaker goes "let's make a game on Jungle Basin, let's take the first player that searches for it and pair him up with someone else around the same skill level that also hasn't vetoed it".


dont think at matchmaking as a process that covers just NOW. a good system always accounts for FUTURE and prepares accordingly. That's how efficiency improves.
noD
Profile Blog Joined August 2010
2230 Posts
January 17 2011 21:25 GMT
#28
probably boosts a little but there are lots of others threads complaining of how much XvZ mus have appeared, blizz wanted and a lot of people are switching to zerg, just that ...
hagon
Profile Joined August 2010
United Kingdom556 Posts
Last Edited: 2011-01-17 21:27:36
January 17 2011 21:27 GMT
#29
i kinda assume the system picks the players 1st, then selects a map - that said i played TvZ 4 times in a row on Blistering Sands the other night which was kinda boring, but thats really my fault for using the same build 4 times in a row ~~
Keitzer
Profile Blog Joined May 2010
United States2509 Posts
January 17 2011 21:30 GMT
#30
that's usually what i've noticed too... that if you downvoted all the T (or P) maps then you're more likely to face the races that also downvoted those maps

aka... it'll search those maps only, and with like 8 maps in the pool, that makes it quite easy to find ZvZ being a ton of your matchups
I'm like badass squared | KeitZer.489
mindspike
Profile Blog Joined December 2002
Canada1902 Posts
Last Edited: 2011-01-17 21:38:54
January 17 2011 21:37 GMT
#31
It would make no sense for Blizzard to do matchmaking in this way. This would be a HUGE mistake on their part. The whole reason why you can only down vote 3 out of the possible 7 maps is because there will always be at least 1 map that is "available" for you to play against ANY opponent.

Lots of confirmation bias going on here is all it is.
zerg/human - vancouver, canada
DOMINOSC
Profile Blog Joined August 2010
Canada345 Posts
January 17 2011 21:37 GMT
#32
i cant believe there are so many people having this argument the players are picked then the map the maps dont change the match up your vsing alot of zergs because there are alot of zergs at your level.
Sen Fighting!!! / JulyZerg Fighting!!! / Ret Fighting!!! / Reach Fighting!!! / well intentioned people of average intelligence
KotaOnCue
Profile Joined September 2010
United States180 Posts
January 17 2011 21:38 GMT
#33
Yeah, I think it's just Blizz match making. Seriously, I get PvP more than any other MU and it seriously infuriates me being that I hate PvP like no other haha. I start to think its because my win percentage against Z and T is probably above 70% while my win percentage against P is probably around 40% so do even out my wins, they throw a bunch of PvPs at me until I have an acceptable amount of losses to satisfy Blizz's hate for me haha.
"They say ignorance is bliss. Is it true?"
DashedHopes
Profile Blog Joined November 2010
Canada414 Posts
January 17 2011 21:56 GMT
#34
Lol man its the maps you down voting its bound to happen that you get zvz . If you don't like zvz don't down vote any maps. Its the price you have to pay when you want a macro map. You could also learn how to play on the maps that you don't like
Ghad
Profile Blog Joined April 2010
Norway2551 Posts
January 17 2011 21:59 GMT
#35
Well, lol. I removed the downvote on LT, and my second match after that was ZvZ on LT. :p

7 out of 11 last games: ZvZ.
forgottendreams: One underage girl, two drunk guys, one gogo dancer and starcraft 2. Apparently just another day in Europe.
Dezire
Profile Joined December 2010
Netherlands640 Posts
Last Edited: 2011-01-17 22:04:17
January 17 2011 22:02 GMT
#36
why would you downvote LT as a zerg? and why metalopolis as any other race. the only one i downvoted is DQ. stupid map :D

e: and i get alot of PvZ's myself, so i guess the amount of zerg players is just increasing
BoxeR, HuK, IdrA, Minigun, MVP <3
Yurie
Profile Blog Joined August 2010
11927 Posts
January 17 2011 22:16 GMT
#37
On January 18 2011 07:02 Dezire wrote:
why would you downvote LT as a zerg?


Cliff drops
danielsan
Profile Joined December 2010
Romania399 Posts
Last Edited: 2011-01-17 22:25:26
January 17 2011 22:24 GMT
#38
On January 18 2011 06:01 danielsan wrote:
you shouldnt exclude the possibility of preferences adding some sort of weight though. We know opponents are chosen by MMR so at any point in time there should be a pool of players with roughly the same MMR waiting for a match.

To get the games starting as soon as possible the system could take a shortcut and match say T and T as they both have same exclusions and further T will just clump up the queue.


On January 18 2011 06:21 danielsan wrote:
Show nested quote +
On January 18 2011 06:11 Lobo2me wrote:
On January 18 2011 06:03 Fa1nT wrote:
This is true.

I don't see how people can argue against this.

Every zerg downvotes steppes, delta, and jungle, so obviously the remaining maps will have a higher number of zergs to play.

It means more zerg games will be played on it, which doesn't mean more ZvZ.

I can veto 3 out of 8 maps in the pool. Let's say there are 3 people searching, and each of them are perfect matches for each other.
Player 1 vetoed JB, Steppes and DQ.
Player 2 and 3 vetoed Blistering Sands, Scrap Station and Lost Temple.
Player 1 has 2 out of 8 possible maps if he's up against Player 2 or 3, while 2 and 3 have 5 possible maps they can play on. Does it mean that Player 2 has 2.5 times higher chance of playing against player 3 than he has of playing against Player 1, because there's 5 possible maps instead of 2?

Most likely not. I highly doubt the matchmaker goes "let's make a game on Jungle Basin, let's take the first player that searches for it and pair him up with someone else around the same skill level that also hasn't vetoed it".


dont think at matchmaking as a process that covers just NOW. a good system always accounts for FUTURE and prepares accordingly. That's how efficiency improves.


i've been speculating about it some more.

taking into account the argument of efficiency- it's planning for future matchmaking i assume the system's main goals are:
1. match as fast as possible
2. assure it's future options are not limited by prioritizing on a basis of first-come,first-served

This insurance should come by map downvoting analysis. As this is the only example that comes to my mind.... if you're familiar with Einstein's Logic Problem you should know it's easiest to be solved by converting each house to a table/matrix and simple overlays.

Now imagine each player with it's map preferences as a matrix. Any duplicate matrix (same race downvotes) would limit future options. So the logical action is to discard them first- mirror matches
_anansi
Profile Joined December 2010
Netherlands3 Posts
January 17 2011 22:24 GMT
#39
About a month ago I got sick of some maps and finally downvoted them. Since I run sc2gears all the time I can get some hard data about my matchups:

Downvoted: Steppes, DQ, Jungle. 122 replays:
1. ZvP: 38%
2. ZvT: 34%
3. ZvZ: 29%

No downvotes. 144 replays
1. ZvP: 42%
2. ZvZ: 34%
3. ZvT: 24%

So I got more ZvZ's and less ZvT's. My winrate ZvT went from 52% to 72% though

Full data:
+ Show Spoiler +

[image loading]


Although my stats apparently were not even below 50% win on the downvoted maps, I still hate em...
imareaver3
Profile Joined June 2010
United States906 Posts
January 17 2011 22:26 GMT
#40
If I recall correctly, Blizz has confirmed that the player you face is chosen before the map is chosen, meaning that map downvotes have no effect on who you face. That agrees with my experience, as well.
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