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5/8/2010 9:29:56 PM
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In depth explanation of the Halo: Reach Beta Arena ranking system
[b]Let me start this off by saying that I am not a Bungie employee and that all of this information has been taken from what we have already been told about Arena so far. Since this is the Beta, everything is subject to change for the final game.[/b]
[quote]What is the Arena?[/quote]
Arena is a set of playlists in Halo: Reach that is geared towards more competitive matches. Slayer Arena is the only available Arena playlist during the Beta, but there are likely to be a few more playlists in Arena for the initial release of the full game. For the time being, Arena only supports Slayer gametypes, since there are too many intangibles to come up with a fair scoring system for Objective gametypes.
The Arena ranking is only applicable to the Arena, which means your Daily Rating, current Division standing, and historical Seasonal performance will have no impact on non-Arena Playlists.
[quote]What is a Game Rating?[/quote]
In the Arena, your Game Rating a numeric representation of how well your performed compared compared to your opponents [b]in that single game[/b]. If you want to rank up, your goal is to get the highest Game Rating compared to everyone else in each game you play.
Your Game Rating is visible on the in-game scoreboard as well as in the post-game lobby and here on Bungie.net. Everyone on each team is ordered by their Game Rating on the in-game scoreboard, not by their total number of kills like in past Halo games.
[quote]How is my Rating calculated?[/quote]
[b]Simple version[/b]: Kills and Assists have a positive influence on your Rating. Deaths, Betrayals, and losing the game have a negative influence on your Rating.
[b]Harder version[/b]: raw_rating = (kills + sa*assists) - (sd*deaths + sb*betrayals)
In the Beta, sa = 1, sd = 1/3, sb=1.
[b]Complex version[/b]: rating = loss_penalty * (1000 + (2000/pi * atan( raw_rating * game_normalization )))
In the Beta, loss_penalty = 0.96, game_normalization = players_per_team/score_to_win
The lowest (worst) theoretically possible Game Rating is 0, and the highest is 2000. The highest possible Rating in Slayer Arena in the Beta is 1844.
It should be noted that these variables can be tweaked even after the game has been released. We'll likely see the formula adjusted a few times over the first few Seasons. For a more in-depth explanation of the formula, read [url=http://www.bungie.net/News/content.aspx?type=topnews&link=BWU_043010]this[/url].
[quote]So if I keep getting a high Game Rating, I'm going to be put in Onyx, right?[/quote]
Not necessarily. All that matters is how your Game Rating compares to everyone else's Game Rating in a single game. It doesn't matter whether you have the highest Game Rating with a score of 1800 or the highest Game Rating with a score of 1500. Both will have the same impact on your rank.
If you have a Game Rating of 1750, and someone else has a Game Rating of 1751, your rank is going to be negatively impacted from having a lower Game Rating than that person above you.
There's likely to be a correlation between constantly getting high Game Ratings and getting a high Division, though.
[quote]What is a Division?[/quote]
A Division is a rough estimate of how your skill compares to the skill of everyone else in a given playlist in Arena. Earn a certain number of Game Ratings in a day to get a Daily Rating. Earn a certain number of Daily Ratings in a Season to get placed into a Division. For the Beta, you need to play 3 games to get a Daily Rating and you need to get 5 Daily Ratings to be placed into a Division.
These are the Divisions in the Beta...
5 = Onyx (best)
4 = Gold
3 = Silver
2 = Bronze
1 = Steel (worst)
Once you've been placed in a Division, it becomes visible as a star with a number next to your name in the Matchmaking lobby. It's also visible next to your Military Rank on your stats page on Bungie.net.
[quote]What is a Season?[/quote]
A Season is a period of time used to rank everyone. In the Beta, the first Season lasts a few weeks. For the final game, a Season will probably last a month. At the end of each Season, everyone's TrueSkill will be reset and you will have to start from scratch at the beginning of the next Season.
[quote]How is my Division calculated?[/quote]
This seems to be the main source of confusion going around. Your Division is determined by your invisible TrueSkill, not your Daily Rating and not by your average Game Rating. Divisions are assigned based on a percentage of how your TrueSkill compares to the TrueSkill of everyone else who has been assigned to a Division in the playlist.
Think of it as a line where every single person is ordered by their TrueSkill rank (your TrueSkill rank is a real number like 41.250952, not a whole number). You'll be assigned into Divisions based on whether your TrueSkill falls within the top X% of all TrueSkills in the playlist.
A lot of people said that Halo 3 basically handed you a 40 (meaning that person was in the top 20% of available ranks). So even if the majority of players were able to reach the equivalent of a 40 in Reach, most of them are not going to be in a high Division, since such a large percentage of the population has earned that rank.
So it doesn't matter what the exact value of your TrueSkill is - it only matters how many people have a higher and lower TrueSkill compared to your TrueSkill in the playlist.
[Edited on 05.10.2010 9:26 PM PDT]
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I just wanted to thank you so much for this information man, its hard to find good info on Halo: reach ranking system. has this been sticky ed yet?
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[quote][b]Posted by:[/b] CB GoLD3nG1rL so how do u know if ur getting a high rating with playing good opponents as opposed to getting a high rating because you're playing with bad/medicore opponent??[/quote] Their Division is the only indication of their TrueSkill relative to yours - Getting a higher Rating than someone in a better Division than you will have a more positive affect on your rank than beating someone from a lower Division - Getting a lower Rating than someone in a worse Division than you will have a more negative affect on your rank than losing to someone from a higher Division. But don't assume that just because someone is in a higher or lower Division, their TrueSkill is a lot higher or lower than yours. That depends on the distribution of TrueSkill in the playlist as well as how close they are to the top or bottom of their Division. If someone who is at the very top of Gold Division beats someone who is at the very bottom of Onyx Division, that's not going to have a huge impact on either of those player's ranks because their TrueSkill will be virtually identical. Assuming that you are normally matched against players that have a TrueSkill close to yours, consistently finishing in the top half should have a positive influence on your rank. [quote][b]Posted by:[/b] XtianD You are just missing one thing...on your comparisson with Halo 3's ranking system. You say this is not a team thing anymore and that you will be ranked individually.... I think Trueskill still takes into account wether you win or loose with more weight than your individual perfomance.[/quote] No. Your Game Rating is what Bungie uses to order players when they feed the results of a game into TrueSkill. In Halo 3, they grouped everyone together as a team and ordered based on win/loss alone. The only affect winning or losing has in the Arena is that the losing team gets a loss penalty applied to their Rating (which is currently 0.96). Here's a quote for you... [quote][url=http://www.bungie.net/News/content.aspx?type=topnews&link=BWU_043010]Bungie Weekly Update 04.30.2010[/url] In the Arena, your Game Rating is a numeric evaluation of how well we think you performed in that game, against those opponents. A score, of sorts. At the conclusion of a game, [b]players will be ranked according to their rating for that game, and it is this ordering of players that is fed into the TrueSkill black box to determine which Division you belong in[/b]. The rating is also used to determine your Day Rating, but that is only used for your personal record keeping.[/quote] [quote][b]Posted by:[/b] Accident Prone Has Bungie said what the percentage breakdowns are going to be per division? (Oynx top 5%, Gold 6-20%, etc)[/quote] No, but ferrex has said that they won't be split 20/20/20/20/20. [quote][url=http://www.bungie.net/Forums/posts.aspx?postID=43823555][b]Posted by:[/b] ferrex[/url] [quote][b]Posted by:[/b] GreenEyezFox4879 Any insight you can give on the current percent breakdown of the divisions? 20% 20% 20% 20% 20% or something more obscure and selective?[/quote] It's much more selective, and it won't be obscure, we're just not yet settled on what we want it to be. We'll post more info about the Divisions before release.[/quote]
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Has Bungie said what the percentage breakdowns are going to be per division? (Oynx top 5%, Gold 6-20%, etc)
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You are just missing one thing...on your comparisson with Halo 3's ranking system. You say this is not a team thing anymore and that you will be ranked individually.... I think Trueskill still takes into account wether you win or loose with more weight than your individual perfomance.
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And here I thought all those daily ratings meant something. So if I'm Gold division, everyone else is Gold in a single game and I finish with best game rating (even if it's like 1482 or something) then my True Skill will go up? That sounds cool. Thanks for clearing that up.
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This was very helpful to me. Thank you for collecting this information in one place.
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[quote][b]Posted by:[/b] CB GoLD3nG1rL so how do u know if ur getting a high rating with playing good opponents as opposed to getting a high rating because you're playing with bad/medicore opponent??[/quote] Good point. This is supposed to be fixed during when the retail game comes out and everyone gets balanced (right now it's fairly unbalanced) but I can still see it being a problem where you play a bunch of good people in a row and oops, there goes your Gold rating and down to Silver you go only because you got unlucky with opponents.
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so how do u know if ur getting a high rating with playing good opponents as opposed to getting a high rating because you're playing with bad/medicore opponent??
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This is a good topic
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Great, very helpful! I feel as if medals should factor into this as well. Killing sprees, headshots, killjoys, double kills. All of those and more should really factor in. I went on a killing frenzy the other day 12 kills 0 deaths. That was within the first few minutes of the game. and my rating was only like 1440 or something similar. They should really factor in killings bouts. It would really balance the game well.
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Thank you for such a detailed post on this system. =)
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Fantastic post, thank you for spelling it out for everyone. Now back to shooting faces :D
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Good Post.
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[quote][b]Posted by:[/b] Snipercidal I have had a couple of games where I lagged out and got dropped from the game. I don't know if it is my connection or something else. I've noticed that it kills my daily score. Is it also affecting my Arena rank, because I was surprised to find I'm in level 1.[/quote] Yes. Every game you play affects your TrueSkill, which in turn affects your Division. I'm not exactly sure how they order everyone when someone quits, but my guess is that it's similar to Halo 3 - you'll place below everyone else that finished the game, regardless of whether or not you had a higher Rating than them. So quitting a lot of games will definitely have a very negative effect on your TrueSkill and will likely result in you getting a low Division. [quote][b]Posted by:[/b] xXDarkCrimsonXx Will the BETA rankings be saved on B.Net?[/quote] I don't know for sure, but I highly doubt it. [Edited on 05.12.2010 6:10 PM PDT]
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Will the BETA rankings be saved on B.Net?
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I have had a couple of games where I lagged out and got dropped from the game. I don't know if it is my connection or something else. I've noticed that it kills my daily score. Is it also affecting my Arena rank, because I was surprised to find I'm in level 1.
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[quote][b]Posted by:[/b] Erico360 Once you've been placed in a Division, it becomes visible as a star with a number next to your name in the Matchmaking lobby. It's also visible next to your Military Rank on your stats page on Bungie.net why doesn't it show up for me??[/quote] I've seen a bunch of threads about this lately. I'm not sure what's happening, but my guess is that there's some kind of bug that's preventing some people's Divisions from appearing. I'm sure Bungie is aware of the problem by now. Hopefully it will either appear after you get a few more Daily Ratings or at least at the end of the Season when everyone else gets their percentile breakdown.
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Once you've been placed in a Division, it becomes visible as a star with a number next to your name in the Matchmaking lobby. It's also visible next to your Military Rank on your stats page on Bungie.net why doesn't it show up for me??
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deleted [Edited on 05.11.2010 1:42 PM PDT]
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[quote][b]Posted by:[/b] DIESTRONG86 [quote][b]Posted by:[/b] WhtButterflyLiz If it takes your game rating and then ranks you individually like an FFA game... then it would actually benefit you to go into the Arena with a team of players that are notably worse than you. Now we don't know for sure how the matches are made other than they're "based on Trueskill" but assuming the people on your team pulled opponents of similar skill to themselves, and you pulled an opponent similar in skill to yourself, you could bet on a second place finish, statistically. Even if it takes the highest skill on your team and ignores everyone else, you're pretty sure to come in at worst fifth place (more likely fourth if you assume you're the distinct leader on your team and that will probably get you above the lowest player on the opposing team, even with the losing penalty). Seems pretty counter-intuitive and not in the interest of creating good games, if that's really the case. [/quote] Except TrueSkill factors in the skill level of everyone that finishes above and below you. Your teammate's TrueSkill no longer impacts your TrueSkill as it did in Halo 3 (since it's a FFA style system now). Finishing in 1st or 2nd to a bunch of people that have a lower TrueSkill than you has a very minimal impact on your rank, because the outcome is expected. Playing with a team of people who have a skill level far below yours is not going to do much benefit to you at all, and it's probably going to hurt you if anyone on your team gets a better Rating than you in a single game.[/quote] Interesting. I spose that makes sense. Thanks. =)
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what?
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[quote][b]Posted by:[/b] ACMessiah2[/quote] Agreed. Even if they can find a way to balance the formula, this system is going to be measuring a slightly different definition of skill compared to skill measured in Halo 3 (since there is a lower emphasis on winning). That isn't necessarily a bad thing though. Personally, I wouldn't even mind if they revert back to the Halo 3 ordering of players (win/loss) instead of your Game Rating as long as they keep the Division system. Although this would mean that your teammate's TrueSkill levels would influence your leveling, making the system more prone to boosting. [Edited on 05.11.2010 1:18 PM PDT]
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Good explanation! Using 'divisions' is a clever way of finding your true skill, as it literally shows your place on the bell curve of 'skill'. The idea of taking this standard distribution and visually representing this data as rank is clever. There is just one problem, and that is the definition of skill. Thus, the equation (which I am sure will be balanced) only factors in a few of the key stats. I agree that on a team, you NEED killers. Assisting and ultimately killing the other team is essentially what team slayer is about. However, what about the players who play a different role on the team? You don't need to be killing the other team to be contributing. If you STOP the enemy team from killing your team, you are contributing just as much. This protection, in the form of watching your teams flank and back is a preventative measure to ensure the opposing team does not for example, cross a bridge on swordbase. It does not necessarily mean you will get kills, and you may die in this role. However without you there, your team would be flanked and killed, and you will lose. This role is not rewarded. You may go 10-10 every game. But the hidden stat is that you stopped the other team by being in the right places at the right times. If you stop them getting 15 kills by making them retreat, then you have contributed +15 to the team. This stat is nearly impossible to track, it is not tangible. My other grief with the system is that the designated power weapon player will get the highest scores. If I am deemed not quite as good with the sniper by my team-mates, I can kiss consistent high scores goodbye! Still, it is a better system than halo 3's trueskill. Call me old fashioned but Halo 2's win go up, lose go down - in a set number of games appealed to me. Everyone seemed to find their place, it was just a shame modding/standbye/pulling host were so abused. Sorry for the wall.
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Wow awesome thread explains everything well :D Must've taken alot of time and effort thank you for givin dat to the community :O
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[quote][b]Posted by:[/b] Van Nostrand I placed an Arena Rating calculator on my site if anyone finds it useful. [url]http://astroot.info/reach/[/url] Easy to plug in various numbers and see how the rating changes.[/quote] Awesome. Added to the OP. Thanks. [quote][b]Posted by:[/b] WhtButterflyLiz If it takes your game rating and then ranks you individually like an FFA game... then it would actually benefit you to go into the Arena with a team of players that are notably worse than you. Now we don't know for sure how the matches are made other than they're "based on Trueskill" but assuming the people on your team pulled opponents of similar skill to themselves, and you pulled an opponent similar in skill to yourself, you could bet on a second place finish, statistically. Even if it takes the highest skill on your team and ignores everyone else, you're pretty sure to come in at worst fifth place (more likely fourth if you assume you're the distinct leader on your team and that will probably get you above the lowest player on the opposing team, even with the losing penalty). Seems pretty counter-intuitive and not in the interest of creating good games, if that's really the case. [/quote] Except TrueSkill factors in the skill level of everyone that finishes above and below you. Your teammate's TrueSkill no longer impacts your TrueSkill as it did in Halo 3 (since it's a FFA style system now). Finishing in 1st or 2nd to a bunch of people that have a lower TrueSkill than you has a very minimal impact on your rank, because the outcome is expected. Playing with a team of people who have a skill level far below yours is not going to do much benefit to you at all, and it's probably going to hurt you if anyone on your team gets a better Rating than you in a single game. [quote][b]Posted by:[/b] p00b0ne Well that Sucks! So who cares what your daily rating is or the fact that assists=kills. Why did Bungie go into explaining the big system and formula behind your daily rating if it means nothing and is simply a number that disappears at midnight never to be seen again or to facto. Into your division placement? This effectively means that losing horribly in Arena WILL be a source of frustration, something I was in LOVE with the idea of not having to experience. Has this been confirmed by Bungie, bc if so then I may choose not to play arena for the sake of my sanity. [/quote] Your Rating in a single game still matters. That is used to order the players to adjust their TrueSkill after the game, and your TrueSkill is what ultimately decides what Division you are in. A few quotes that might be of interest to you regarding this... [quote][url=http://www.bungie.net/News/content.aspx?type=topnews&link=BWU_043010]Bungie Weekly Update 04.30.2010[/url] In the Arena, your Game Rating is a numeric evaluation of how well we think you performed in that game, against those opponents. A score, of sorts. At the conclusion of a game, [b]players will be ranked according to their rating for that game, and it is this ordering of players that is fed into the TrueSkill black box to determine which Division you belong in[/b]. The rating is also used to determine your Day Rating, but that is only used for your personal record keeping.[/quote] [quote][b]Posted by:[/b] [url=http://www.bungie.net/Forums/posts.aspx?postID=43891117&postRepeater1-p=3]Achronos[/url] All your games count, not just your best three. The best three show up as your "Daily Rating", but that doesn't mean anything other than a personal benchmark for you to improve on. Once you get enough daily ratings, all your arena games in that playlist count toward placing you in the correct division (not just your Daily Ratings). [quote][b]Posted by:[/b] ZedFish Fos Tis is saying that [i]only[/i] the first three should count; after that, you get your rating and you don't get rated anymore, you can still play for kicks and giggles.[/quote][/quote] [quote][b]Posted by:[/b] [url=http://www.bungie.net/Forums/posts.aspx?postID=43823180]ferrex[/url] [quote][b]Posted by:[/b] Jackson3rg i thought that it was only the top 3 games of each day that effected your division rating, its all games?[/quote] Top 3 games affect your Day Rating. There's no "Division Rating", just a Division assignment based on your performance in all games. Sucks to be those guys quitting out of losing games, thinking that was going to help their overall standing. :)[/quote] [quote][b]Posted by:[/b] [url=http://www.bungie.net/Forums/posts.aspx?postID=43823555]ferrex[/url] [quote][b]Posted by:[/b] GreenEyezFox4879 The way I'm understanding it then is that trueskill essentially works in the same way that it did back in H3, and after a set amount of games, everyone is placed on a large spectrum based on their numerical trueskill rank at which point the game divides up this spectrum based on percentiles and assigns each division a ... division. Yeah?[/quote] Yep, that's the gist of it. The day ratings are just a measure of performance against your opponents on that day. Your Division assignment is where you really fall in the skill range.[/quote] [Edited on 05.11.2010 12:55 PM PDT]
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If it takes your game rating and then ranks you individually like an FFA game... then it would actually benefit you to go into the Arena with a team of players that are notably worse than you. Now we don't know for sure how the matches are made other than they're "based on Trueskill" but assuming the people on your team pulled opponents of similar skill to themselves, and you pulled an opponent similar in skill to yourself, you could bet on a second place finish, statistically. Even if it takes the highest skill on your team and ignores everyone else, you're pretty sure to come in at worst fifth place (more likely fourth if you assume you're the distinct leader on your team and that will probably get you above the lowest player on the opposing team, even with the losing penalty). Seems pretty counter-intuitive and not in the interest of creating good games, if that's really the case.
