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    Tuesday, March 9, 2021

    CoD Warzone | Just... Leaving this on here.

    CoD Warzone | Just... Leaving this on here.


    Just... Leaving this on here.

    Posted: 09 Mar 2021 06:34 AM PST

    200 IQ Water Taxi

    Posted: 09 Mar 2021 12:25 PM PST

    This new finishing move lmao

    Posted: 08 Mar 2021 06:06 PM PST

    I turned my bounty into my friend but look what it cost..

    Posted: 09 Mar 2021 05:40 AM PST

    Hate camping in Warzone? �� You ain't doing it right! �� (Muppet's Guide to Camping)

    Posted: 09 Mar 2021 05:50 AM PST

    Unforgivable

    Posted: 09 Mar 2021 01:06 PM PST

    KAR98 - Amount to lead + bullet drop! From 100 - 400 meters!

    Posted: 09 Mar 2021 03:31 PM PST

    Was waiting to blow up the C4 on the helicopter, but turns out this guy had even worse luck!

    Posted: 09 Mar 2021 01:26 PM PST

    Perhaps my greatest clutch in Warzone. Pressure was high!

    Posted: 09 Mar 2021 06:08 AM PST

    Just wait till I get my big cousin gets here!

    Posted: 08 Mar 2021 11:07 PM PST

    It was at this moment, he knew he.....

    Posted: 09 Mar 2021 04:30 AM PST

    New to Warzone and these are the few reasons I can’t play this game. Kudos to the ones who can tolerate it.

    Posted: 09 Mar 2021 01:28 PM PST

    Got my load-out within like 45 seconds of dropping in. Died to the elite gaming chair, first in months (for me) a minute later.

    Posted: 09 Mar 2021 11:47 AM PST

    Gun go pew

    Posted: 09 Mar 2021 01:55 PM PST

    It's pretty neat how the AUG beats an smg at close range and snipers at long range, and you can put a sniper scope on it with no glint.

    Posted: 09 Mar 2021 05:19 AM PST

    I really love that Raven keeps making new weapons stronger than old weapons, instead of just making weapons that can simply compete with the meta. It's so cool how TTK keeps shrinking and shrinking so I don't have any time to react whatsoever, and every battle just becomes a matter of seeing your opponent first and/or having a slightly faster connection. When they nerfed the DMR I thought "man, I really loved when everyone in the lobby was using the same exact gun! I sure hope they set up another gun in the future to be so OP at all ranges that you literally can't play the game without it." Looks like my prayers have been answered!

    It's soooooooo fun. Thank you Raven. Constantly dying to an AR in the blink of an eye is very enjoyable. Sorry if my post has gone on too long, I'll shut up and buy more weapon skins now.

    submitted by /u/PaulBlartFleshMall
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    So anyway, I started blasting.

    Posted: 09 Mar 2021 02:30 PM PST

    Debunking the Myths: Testing SBMM and EOMM in Warzone

    Posted: 09 Mar 2021 05:43 AM PST

    TLDR: 1. Player KD has a positive and highly statistically significant impact on lobby strength 2. When players with different skill levels team up, their average squad KD has no direct influence on lobby strength 3. The individual skill levels of the players inside a squad seem to determine the bounds of possible lobby strength 4. Skill-based matchmaking is at its strictest from 8pm to 2am and gets toned down massively from 3am to 7am (all local time), hugely impeding the competitive integrity of time zone spanning Warzone tournaments 5. Using different proxies for a player's engagement with the game, there is little supportive evidence for engagement optimized matchmaking (although there is evidence that the last game of a player's session is significantly easier than the rest).

    Skill-based matchmaking (SBMM) is the devil. At least if you are an above-average player trying to pubstomp in a match of a recent Call of Duty game. And if you see SBMM as the devil of your gaming experience, engagement optimized matchmaking (EOMM) is an attempt to maximize your time in hell by granting you the occasional bot lobby.

    While the quick rise of sites like sbmmwarzone shows players' interest in these concepts, empirical analyses of SBMM in Warzone are very sparse (see Xclusive Ace's video for the best analysis to date) and, to my knowledge, non-existent when it comes to EOMM. Moreover, Warzone tournaments with huge prize pools have become a weekly regularity despite players essentially being at the mercy of a matchmaking black box that determines the difficulty of the competition.

    I want to do my part in filling this gap by employing the newly available data on Warzone lobby strength. Using players' past Warzone matches and stats obtained from codtracker (battle royale only) and looking up the respective lobby strength (median team KD) with sbmmwarzone's match search feature, I employ regression analyses and other statistical tools to test SBMM and EOMM in Warzone. Here are the results:

    [I will include graphical representations of the most important findings]

    SBMM

    For this section, I use the past 220 Warzone matches of 10 players (1,929 matches in total after excluding non-BR modes) with each player representing a tenth of the overall KD distribution, i.e. one player from the top 10%, one from the next best 10% etc. All players have already accumulated substantial playing time ranging from 5.4 days to 41.4 days which ensures that we don't have any "beginner lobbies" in our sample.

    Looking at the relationship between player KD and corresponding lobby strength, there can be no doubt about the existence of SBMM in Warzone. Restricting the analysis to the players' solo games (154 games in total), the correlation between a player's KD and average median lobby KD is 0.9174 and the p-value of the coefficient estimate when regressing median lobby KD on player KD is 0.000000007%. This minuscule probability corresponds to the likelihood of getting the results at hand if player KD would have no systematic effect on lobby strength. In other words, SBMM not being in the game is roughly as likely as Activision finally fixing all Hk:s and DEV errors.

    -> Key Takeaway Nr. 1: Player KD has a positive and highly statistically significant impact on lobby strength.

    [Figure 1.1: Relationship between a player's lifetime KD and their average median lobby KD (BR Solos)]

    Unfortunately, it is not possible to identify which player stat has the strongest impact on skill-based matchmaking since the "skill stats" of a player are highly correlated with each other (KD and score per minute (SPM), for example, have a correlation of 0.9128 in this sample). This means that players with a higher KD will most likely also have a higher SPM. Therefore, if these players get harder lobbies, we won't know if it's because of the higher KD or the higher SPM since both is always the case simultaneously.

    What we can examine, though, is the interplay between individual player KD and the average KD of their own squad. If we pair a 0.3 KD player with a 1.7 KD player (average squad KD of 1.0), will their lobby strength correspond to the skill bracket of players with a KD of 0.3, 1.7 or 1.0? The answer is yes. To see that, I first transform the trendline of Figure 1.1 to its BR Duos equivalent by using the median lobby KDs of duos containing two roughly equally skilled players (absolute KD difference lower than 0.20). We again see a positive and statistically significant impact of their squad KD on lobby strength.

    In addition, I include the observations of the player with the lowest KD in my sample (KD of 0.33) when they are paired with a player that has a minimum KD of 1.33. The result is that their average squad KD has no statistically significant influence on the strength of the lobbies they get (the slope of the trendline is even negative in this case but, as I said, not statistically significant). The fact that there are so many different average squad KDs for that player suggests that they mostly play BR Duos with a random partner, eliminating the discussion about the influence of who is the host of the lobby search.

    -> Key Takeaway Nr. 2: When players with different skill levels team up, their average squad KD has no direct influence on lobby strength.

    [Figure 1.2: Median lobby KDs of BR Duos lobbies obtained by a player with a KD of 0.33 when their teammate has a minimum KD of 1.33]

    So what is then the effect of teaming up with a relatively lower skilled player? Another example from my data helps to shed more light on this question. In this final extension of Figure 1.1, I add the lobby strength observations of a duo with KDs of 2.65 and 0.93 whose average KD of 1.79 falls close to the observations seen for our previous player. It seems that the SBMM system creates bounds of potential lobby strength that are based on the individual "skill brackets" of the players inside a squad (see how the lowest/highest median lobby KD for our 1.79 KD duo is markedly higher/lower than that of the duos with similar average KDs that contain the 0.33 KD player and a 3.0+ KD player).

    In essence, this means that two players with a KD of 1.70 will, on average, play in harder lobbies than a squad containing a 0.30 and 3.10 KD player, despite both teams having an average squad KD of 1.70. For squads of more than two players, the influence of an individual player's skill on these lobby strength bounds is probably diluted since more players are being considered during the matchmaking process.

    -> Key Takeaway Nr. 3: The individual skill levels of the players inside a squad seem to determine the bounds of lobby strength in which most matches will occur.

    [Figure 1.3: Adding median lobby KD observations from a duo with KDs of 2.65 and 0.93 (average squad KD of 1.79)]

    After finding convincing evidence for the existence of SBMM, the next part will deal with the issue of EOMM in Warzone.

    EOMM

    In order to test EOMM, we need a context that is described by a constant level of skill-based matchmaking. In such an environment, any systematic variability in lobby strength cannot be explained by differences in SBMM which, in turn, opens the door for alternative explanations. Otherwise, we won't know whether bad match performances lead to player disengagement which grants easier lobbies based on EOMM or if bad performances simply occur more frequently for lower skilled players that get easier lobbies due to SBMM.

    We achieve this context of constant SBMM by looking at matches of the top 0.1% of players. Players with a KD of 5.0 cannot get much stronger lobbies than 4.0 KD players since there are simply not enough players good enough that could be used as differentiating factors in their respective matchmaking processes. Indeed, player KD is not statistically significant anymore when analyzing its influence on solo lobby strength of top level players. The matches used for this test and for the remainder of this section come from the past 500 matches of 10 highly skilled players (4,743 matches in total after excluding non-BR game modes) with KDs ranging from 4.16 to 5.70. These players include 4 popular streamers from the US (Huskerrs, Nickmercs, Tommey, Swagg), 4 popular EU streamers (Jukeyz, Vapulear, Falaxii, Shukz) and 2 random players from the top of the codtracker leaderboards (Dakeeve and Beastlyy) in order to also include lesser-known elite players in the sample.

    Providing some first anecdotal evidence for EOMM, my friends and I noticed that our last game of the day tends to be easier than all of our previous matches. Is this Activision predicting when we will end our session and trying to entice us to play on by baiting us with easier lobbies? We usually end our sessions at around 3-4am (don't judge our sleep schedules), so maybe this is simply a side effect of this specific playing time?

    To analyze this phenomenon in more detail, I use the aforementioned matches of the 10 elite players (restricted to matches where the average KD of their squad is at least 3.50 to avoid most "Random Duos/Trios/Quads" matches) and calculate the average median KD of their lobbies for each hour of the day (in local time). Even if they don't host each of their lobby searches, they will probably play most games with teammates living in rough geographic proximity to them. This means that their local time should be a good approximation for the local time of the hosting player.

    The results of this test are astounding and have huge implications for organizers of future Warzone tournaments. The average lobby strength stays at similarly elevated levels from 8pm to 2am (the diamond lobbies you would expect from a squad filled with elite players). From 3am to 7am, however, there is a steady decline in lobby strength that reverses again from 8am onwards. The same pattern can also be seen in my first sample of matches from players of all parts of the KD distribution. What the hell is going on here?

    Any SBMM system probably tries to optimize three things: player ping, matchmaking time and player skill levels. My guess is that the huge reduction in player base from 2am to 7am strongly impedes the first two aspects (it takes longer to find enough players near you to create a match) which then gets compensated by a reduced effort to find players with matching skill levels. While this is logical, it seems exceptionally unfair to organize Warzone tournaments across majorly different time zones in which each squad is searching their own lobbies (e.g. 3vs3 or 4vs4 kill races). It seems hugely irresponsible to let people compete against each other for large prize pools with one half sweating in lobbies that have an average median KD of 1.14 while the other half is breezing through median lobby KDs of 0.79. Watching such tournaments in the future will definitely leave a bad taste in my mouth.

    -> Key Takeaway Nr. 4: Skill-based matchmaking is at its strictest from 8pm to 2am and gets toned down massively from 3am to 7am (all local time).

    [Figure 2: Average median lobby KD computed for each hour of the day]

    Nevertheless, identifying this SBMM prime time provides a fitting context to further test our EOMM hypotheses. If we find systematic occurrences of bronze lobbies during the times where SBMM should be at its strictest, it will be hard to argue against the existence of another type of matchmaking system besides SBMM.

    Unfortunately for all EOMM enthusiasts, there are only 10 bronze matches during this time vs. 55 outside of the SBMM prime time. I can identify 7 of them as being played in a squad with players from both the US and Europe, mostly wagers of Tommey against CPentagon, Fuzzn, Vapulear and Lenun. While his local time was inside the SBMM prime time, the Europeans were already inside the weaker time periods of SBMM which, if they hosted the respective matches, provides a consistent explanation for the reduced lobby strength. The other 3 bronze lobbies don't provide a large enough sample size to perform any sensible tests on and are probably just outliers in the usual distribution of lobby strength based on SBMM.

    Even though we cannot find large systematic deviations in median lobby KD during the SBMM prime time, EOMM could be more subtle and only grant slight but predictable reductions in lobby strength based on player disengagement. This will be tested in the following part:

    Using the elite players' matches (examining all BR modes as well as only BR Solos) during the SBMM prime time (8pm to 2am), I test whether lobby strength is affected by player engagement as proxied by…

    …a player's recent performance:

    No, I cannot find evidence that recent player performance has a significant effect on lobby strength when computing performance based on average kills/deaths/KD/damage/damage per minute/score/score per minute/life time/placement using each player's past 3 matches. Extending the computation window to the past 5 matches shows the same results. Being on a losing streak also has no significant impact on lobby strength. Matches following a win are also not significantly different to other matches in terms of difficulty.

    Some exemplary figures:

    [Figure 3.1: Median lobby KD in relationship to average player KD of the past 3 matches]

    [Figure 3.2: Median lobby KD in relationship to average player SPM of the past 3 matches]

    [Figure 3.3: Median lobby KD in relationship to average player placement of the past 3 matches]

    This does not mean that playing poorly for a long period of time to the point of actually tanking your lifetime KD, SPM etc. won't have an impact on your lobby strength. It just means that organic short-term performance deviations, that should correlate with player engagement, don't yield the significant results needed for an EOMM-based interpretation.

    …the elapsed time between matches (suggested as a disengagement proxy in the paper on EOMM by Chen et al. (2017)[1]):

    No, there is no evidence that longer times between matches lead to easier lobbies. Maybe the disengagement factor needs a long one-time break to kick in? Still, the five games after a three day break (occurred for 3 players in the sample) are not significantly different to the other games played by the respective player.

    [Figure 3.4: Median lobby KD in relationship to the elapsed time between games]

    …a player's playing duration:

    When I test the beforementioned anecdotal observation that my last game of a given session tends to be easier than the rest, I find some intriguing results. The last game of a player's Warzone session (with a session being defined as a minimum break of 6 hours until the next game) is easier than the rest with a slight statistical significance (significant at the 10% level, if you are interested). Practically speaking though, the median lobby KD of these last matches is, on average, only 0.03 KD points lower than the rest (i.e. a player with an average median lobby KD of 1.13 gets a 1.10 median KD lobby to end their session).

    [Figure 3.5: Average median lobby KD for the last game of a session vs. the average of the other games]

    It might be tempting to be outraged by the manipulative character of a matchmaking system that predicts when you end your session and then tries to lure you into playing more by rewarding you with easier lobbies. However, this finding could also simply be the result of some players wanting to end their session with a good game combined with the fact that good games occur more frequently in relatively easier lobbies. Using other variables of estimated playing duration for each player (average duration of a playing session, average number of games during a session) also yields no supportive evidence of an EOMM system that dynamically changes lobby strength based on a player getting closer to their usual playing end time.

    -> Key Takeaway Nr. 5: Using different proxies for a player's engagement with the game, there is little supportive evidence for EOMM.

    Conclusion

    The matchmaking of Warzone is heavily influenced by player stats related to skill. While I cannot find conclusive evidence for the assumed characteristics of an EOMM system, we have to keep in mind: absence of evidence is not evidence of absence. It could be the case that the matchmaking system recognizes that these players tend to stay engaged with the game no matter the lobbies they get and so it sees no need to dynamically adjust lobby strength (but how do you identify and search for "easily disengaged" players to test whether their matches show evidence for EOMM?). Moreover, EOMM could be solving such a complex optimization problem with respect to the engagement of all 150 players in the lobby that it becomes impossible to find systematic patterns of EOMM by looking at individual player data.

    Still, I think there is definitely some use in these results. They provide a statistical reference that you can point to when your friends or your favorite content creators say things like "we got shit on in the last 5 games, EOMM will give us our bronze lobbies now". Even more importantly, they show that before accusing content creators of being favored by SBMM, one has to first look at their playing schedules. It may well be that they simply play during times of low SBMM, something everybody could, for good or for worse, exploit.

    PS: Maybe a little side note as to what entitles me to write such a post. I recently obtained a master's degree with a focus on empirical finance research, particularly in the area of behavioral finance. I find it quite exciting to use the skills I acquired at university to figure things out about stuff I enjoy, like Warzone in this case. I plan on posting similar articles on here and on my blog (see my username). So if you have any myths about SBMM/EOMM or Warzone in general that you would like to see tested, feel free to leave a comment or write me a DM. And, this goes without saying, if you have any questions or suggested improvements regarding this post, I'm more than happy to receive them as well!

    [1] Chen, Z., Xue, S., Kolen, J., Aghdaie, N., Zaman, K. A., Sun, Y., & Seif El-Nasr, M. (2017, April). Eomm: An engagement optimized matchmaking framework. In Proceedings of the 26th International Conference on World Wide Web (pp. 1143-1150).

    submitted by /u/dispassionDOTblog
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    Cheating in Warzone, worse then ever?

    Posted: 09 Mar 2021 05:40 AM PST

    Is it me or does it seem like cheaters are just not giving a shit anymore? It used to be you could spectate someone cheating and they at least tried to hide it. now no one cares. This last week may be the worse week yet i have personally experienced. I played 10 plunders and 2 Duos. every game! Full aimbot wall hax not giving a shit. and why would they care? no anti cheat. no IP ban. you get "banned" and 3 seconds later have another account. God i cant wait till BF6 lol

    submitted by /u/MoreConversation68
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    My cousin with the clutch play!

    Posted: 09 Mar 2021 12:17 PM PST

    At least once an hour. Awesome job, Activision.

    Posted: 09 Mar 2021 01:02 PM PST

    A contender petitions a God! Will they satisfy?

    Posted: 09 Mar 2021 06:38 AM PST

    Every fucking team mid game

    Posted: 09 Mar 2021 03:22 PM PST

    No matter your weapon, you're a B**** for using it.

    Posted: 09 Mar 2021 02:22 PM PST

    Iweapon.decided to make a fun class and according to the death coms I've been receiving for killing people with a cross bow leads me to believe there is no weapon in Warzone that people won't complain about. If you die to a guy rocking a crossbow, that's on you. I have to hit my first shot to kill you, if I miss in close quarters I'm done. I tell ya what though, the death comes are worth the added difficulty and risk of running a single shot weopon.

    submitted by /u/maaaatttt_Damon
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