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| ? | Team selection for [[Game_Modes#Random_Battles|random battles]] is done according to several parameters. Each battle takes place in a '''battle tier''', which should not be confused with tank tiers. (On this page we always use Arabic numerals ("7") when discussing battle tiers and Roman numerals ("VII") when discussing tank tiers). Team balancing within a battle tier takes place according to vehicle specific weighting and additional restrictions. | | + | === Battle Tier Spread === |
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| ? | === Battle Tiers === | | + | The tier of your vehicle is the only factor used when determining which vehicles it is possible for you to be matched against. Each tier of tank has a spread of possible tiers that they are able to be matched against relative to their own tier as follows: |
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| ? | [[image:Matchmaking_Chart.png|thumb|600px|Matchmaking Chart|right|link=https://wiki.wargaming.net/en/File:Matchmaking_Chart.png]] | | |
| ? | [[image:Unique_Matchmaking_Chart.png|thumb|400px|Unique Matchmaking Chart|right|link=https://wiki.wargaming.net/en/File:Unique_Matchmaking_Chart.png]] | | |
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| ? | Battles can take place in eleven possible different battle tiers. Each vehicle, depending on its performance, is assigned a certain subset of these battle tiers that it is supposed to fight in. | | + | [[image:Matchmaking_Chart_v09191.png|thumb|600px|Matchmaking Chart|right|link=https://wiki.wargaming.net/en/File:Matchmaking_Chart_v09191.png]] |
| | | + | [[image:Unique__Machtmaking_Chart_05012020.JPG|thumb|400px|Unique Matchmaking Chart|right|link=https://wiki.wargaming.net/en/File:Unique__Machtmaking_Chart_05012020.JPG]] |
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| ? | The matchmaking chart shows which vehicle belongs to which battle tier. An English version can always be found [https://worldoftanks.com/dcont/fb/image/matchmaking.jpg here]. It sometimes takes Wargaming a while to update it after patches, in which case you can refer to the [https://forum.worldoftanks.ru/index.php?/topic/41221- Russian version], which is usually updated much faster. | | |
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| ? | Players often confuse battle tiers and their vehicle's tier. The match maker does not try to match vehicles by vehicle tier. For example, [[T-50 Light]] is a tier 4 vehicle assigned to battle tiers 4-7, while the [[M3 Lee]], which is also tier 4, is only assigned to battle tiers 4-6, this means that despite both vehicles being tier 4 tanks, the T-50 can potentially see tier 7 tanks in battle while the M3 Lee will only ever see vehicles as high as tier 6. Another example, T29 Heavy Tank is a tier VII vehicle, but it takes part in battle tier 7, 8 and 9 matches. | | + | A small number of Premium tanks and researchable tanks have a reduced upper Battle Tier spread. |
| ? | A battle tier 7 match consists of (vehicle) tier IV-VI light tanks, as well as tier V-VII regular tanks (medium, heavy, tank destroyer, SPG). A battler tier 9 match consists of tier VI-VIII light tanks, as well as tier VII-IX regular tanks. | | + | |
| ? | Usually a quick look at the teams allows you to immediately recognize the battle tier. | | + | |
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| ? | The selection of the battle tier you fight in depends on the amount of players available for each battle tier and is otherwise random. | | |
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| ? | To see which battle tiers a vehicle can fight in, find it on the left side of the chart. If it is not listed as an exception on the Unique Matchmaking Chart, the default rules above apply. Take, for example, an [[MS-1]]. It doesn't have unique matchmaking. Thus we go find the row for Vehicle Tier 1, Light Tank, and see to the right that this vehicle can fight in battle tiers 1 and 2. Scrolling down, we see that nothing except tier 1 light tanks and medium tanks can fight in battle tier 1. For battle tier 2, we see that the MS-1 can meet tier 2 tank destroyers, SPGs (aka artillery), as well as light and medium tanks. The T2 Light Tank gets unique matchmaking, and we see that it's listed on the Unique Matchmaking Chart. The Pz.Kpfw. I, on the other hand, benefits from unique matchmaking, as it will never encounter tier 3 tanks. The applicable battle tiers for each vehicle are also shown on the right sidebar of each tank's page on this wiki. | | + | === Template System === |
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| ? | Wargaming has announced that they are moving away from tanks with unique matchmaking. Many tanks that have unique matchmaking are being removed from sale, and it's unlikely any more tanks will be added to the chart in the future. | | |
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| ? | === Vehicle Weight === | | + | Three templates are used by the matchmaker to create games. The preferred template consists of three top tier tanks, five middle tier tanks and seven bottom tier tanks (3/5/7). A 5/10 template is also common. Finally games where all tanks are of the same tier can occur, however the matchmaker will try to make a game of one of the other template types first. |
| ? | Once enough candidates for a certain battle tier are found, the matchmaker tries to form two teams from them. For this purpose each vehicle is assigned a certain weight, and the matchmaker tries to keep the weight of both teams as equal as possible. Weighting is performed by vehicle tier and vehicle type, some vehicles are individually weighted, and for some vehicles there are special restrictions. | | + | |
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| ? | Below are the rules for game version 0.8.0: | | |
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| | | + | Some variance can occur in the 5/10 and 3/5/7 templates. There will never be more top tier tanks than middle or bottom tier tanks. |
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| ? | *'''Weight by Vehicle Tier''' is applied as follows: | | |
| ? | **Tier 10: 100 | | |
| ? | **Tier 9: 60 | | |
| ? | **Tier 8: 40 | | |
| ? | **Tier 7: 27 | | |
| ? | **Tier 6: 18 | | |
| ? | **Tier 5: 12 | | |
| ? | **Tier 4: 8 | | |
| ? | **Tier 3: 5 | | |
| ? | **Tier 2: 3 | | |
| ? | **Tier 1: 2 | | |
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| | | + | The current matchmaker allows a maximum of five Light Tanks and three SPGs on one team. |
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| ? | *'''Weight by Vehicle Type''' is generally applied as follows: | | |
| ? | **All [[Heavy Tanks]] above tier 4 receive 20% extra weight. | | |
| ? | **All [[Self-Propelled_Guns|SPGs]] receive 8% extra weight. | | |
| ? | **Tier 8, 9 and 10 [[Medium Tanks]] receive 20% extra weight. | | |
| ? | **Tier 8, 9 and 10 [[Tank Destroyers]] receive 20% extra weight. | | |
| ? | **Tier 5, 6, 7 and 8 [[Light Tanks]] receive 20% extra weight. | | |
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| | | + | The classes within tiers are mirrored as best the matchmaker can achieve without sacrificing queue times. |
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| ? | *'''Individual Weights''': | | |
| ? | **[[Tank:GB20_Crusader|Crusader]], [[Tank:GB23_Centurion|Centurion Mk. 1]], [[Tank:Panther_II|Panther II]], and [[Tank:T-44|T-44]] do not receive 20% extra weight. | | |
| ? | **The [[Pz.Kpfw. 38H 735 (f)]] "Hotchkiss" is a tier 2 tank with 233% extra weight, with 7 points it is weighted close to a tier 4 tank, but it is in the same battle tier as other tier 2 light tanks. | | |
| ? | **[[Tank:Chi_Nu_Kai|Chi Nu Kai]], [[Tank:PzIV_Hydro|Pz.Kpfw. IV hydrostat.]], [[Tank:SU_85I|SU-85I]], [[Tank:Pz_Sfl_IVc|Pz.Sfl. IVc]], [[M4A3E2 Sherman Jumbo|Jumbo Sherman]], [[Tank:A43|A43]], [[Tank:VK3002M|VK3002M]], [[Nashorn]], [[Pz V/IV]] (both), [[Tank:Chi_To|Chi To]], [[Tank:GB45_Achilles_IIC|Achilles]], [[Tank:GB19_Sherman_Firefly|Firefly]], [[Comet]], [[AT 15A]], [[VK3002D]], [[Tank:A44|A44]], [[Tank:Sturer_Emil|Sturer Emil]], [[Tank:Chi_Ri|Chi Ri]], [[Tank:E-25|E25]], [[Tank:T23E3|T23E3]], [[Tank:A102_T28_concept|T28 concept]], [[Tank:GB41_Challenger|Challenger]], [[Tank:Cz01_Skoda_T40|Škoda T 40]], and [[Tank:A101_M56|M56_Scorpion]] all receive 20% extra weight. | | |
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| | | + | Additionally, the matchmaker attempts to match tanks in the same subclass and tier (such as Superheavies e.g. [[Maus]], [[E 100]], [[Type 5 Heavy]] etc. or Autoloading Mediums e.g. [[Bat.-Châtillon 25 t]]) against one another. |
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| ? | *'''Special Restrictions''' | | |
| ? | **The number of the same vehicle on opposing teams cannot differ by more than 1, except when the vehicles are in a platoon. | | |
| ? | **Previously, the number of SPGs in opposing teams could never differ by more than 1. While this is still the goal for the match-maker, since update 0.7.4 it is not a strict restriction. Now, rarely, SPG numbers can differ by more, including one team having none while the other team has one or more. | | |
| ? | **The total weight of the SPGs on opposing teams cannot differ by more than 25%. | | |
| ? | **The total weight of the top tier vehicles on opposing teams cannot differ by more than 25%. | | |
| ? | **It seems in general the weight of opposing teams does not differ by more than 10%, but it is unclear if there is a fixed limit. | | |
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| ? | *'''Scouts''' | | + | === Platoons === |
| ? | ** In the Version 8.5 update, a new Match Maker rule was planned for balancing Light Tanks. The rule was intended to balance out the number of Scout tanks on each team by balancing the weight of Scouts on both teams so they won’t differ by more than +/-20 vehicle weight points. The advantage to this rule is the matchmaker will no longer distribute a large number of scout tanks to one team and none to the other; the number of scouts should be roughly the same for each team. During tests, Scout balancing created other imbalances so it was not implemented. It is currently planned to be released with a later patch. | | + | |
| ? | **The following vehicles are marked as Scouts: | | + | |
| ? | *** USSR: [[T-50]], [[MT-25]], [[LTTB]], [[T-54 ltwt.]] | | + | |
| ? | *** Germany: [[Pz.Kpfw. 38 (t) n.A.]], [[Pz.Kpfw. II Luchs]], [[VK 16.02 Leopard]], [[VK 28.01]], [[Aufklärungspanzer Panther]], [[Spähpanzer Ru 251]] | | + | |
| ? | *** United States: [[M5 Stuart]], [[M24 Chaffee]], [[T21]], [[T37]], [[T71]], [[M41 Walker Bulldog]], [[T49]] | | + | |
| ? | *** France: [[ELC AMX]], [[AMX 12 t]], [[AMX 13 75]], [[Tank:F69_AMX13_57_100_GrandFinal|AMX 13 57 GF]], [[AMX 13 90]] | | + | |
| ? | *** China: [[M5A1 Stuart]], [[59-16]], [[Tank:Ch24_Type64|Type 64]], [[WZ-131]], [[Tank:Ch02_Type62|Type 62]], [[WZ-132]] | | + | |
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| ? | Whether vehicles are stock or fully researched, how they are equipped, nor crew skill is taken into account by the match-maker. | | + | Platoons can only be made up of tanks of the same tier. There may only be one SPG in each platoon, however dynamic platoons created in game can break this rule for only the game the platoon is made in. Platoons will be evenly divided between teams. |
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| ? | === Vehicle Tier === | | |
| ? | Vehicle tier is '''not''' taken into consideration when balancing teams. This is a common misconception among players. For example, under the current rules a tier 8 medium can be matched against a tier 7 heavy tank. The only relevance of vehicle tier is to determine the battle tier. | | |
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| ? | However, the top tanks of each team have the same vehicle tier due to the current balancing rules. | | |
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| ? | The vehicle tier should be taken into consideration as it reflects a preordained operating range of a vehicle also known as classification. The range of each tier gradually increases with technology and tiers can overlap. Your 7 heavy can feel reasonably confident his encounter with a medium 8 has a 50% chance of victory, because their operating ranges overlap. | | |
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| ? | === Platoons === | | |
| ? | '''IMPORTANT:''' If you are in a platoon, the entire platoon is placed into battles according to the platoon member in the vehicle with the highest [[#Battle_Tiers|battle tier]]. This can produce unwanted results in particular for new players at the lower tiers. For example, a tier 4 scout can enter battles up to tier 7, whereas a tier 4 medium tank on its own can only join battles up to tier 6. If these platoon together, the scout will pull the other tank up into its battle tier, where the other tank will usually be hopelessly outclassed. The same thing happens when a tank with preferential match making is platooning with a normal tank. Please take this into account when forming platoons. | | |
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| ? | A special case of this is when you see a top tier tank platooned with one or two tier 1 tank. This is sometimes done on purpose. If you look above, a tier 10 heavy tank weighs 145 points, whereas a tier 1 tank weighs only 2. Thus the platoon's team a priority has a massive point deficit, which the match-maker will balance out by either dragging more lower tier tanks into the enemy team or by dragging more high tier tanks into the platoon's team. The tactic is frowned upon but permissible. It has become rare these days, likely because the success chances are mediocre. With two tier 1 tanks the team is missing 13.3% of its team that could play a useful role during the battle, whereas the only useful contribution the tier 1 tanks can sneak into the enemy cap. | | |
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| ? | The matchmaker does balance the number of tanks in platoons, but not the weight of the platooned tanks. This means one team can have 2 three-man-platoons with T8 tanks, whereas the other team has 3 two-man-platoons with T6 tanks. This rule may not apply, when the server is low populated. | | |
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| | === Map Restrictions === | | | === Map Restrictions === |
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| ? | ;Map Restrictions by Battle Tier | | |
| ? | Introduced in Patch 9.10, Map restrictions were placed in for lower tiers. Standard Battles in [[#Battle_Tiers|battle tiers]] 1 to 3 take place on a limited subset of the available maps only. With each Tier there will be additional maps until the final map pool is reached at [[#Battle_Tiers|battle tier]] 8. This is done to allow new players to familiarize themselves with these smaller maps while they learn the basics of the game. Also except for Karelia, these are the smallest/most compact maps in the game, better suited for the very limited low tier tanks. | | |
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| ? | *Battle Tiers 1 through 2 fight on these maps: | | |
| ? | **[[Mines]] | | |
| ? | **[[Mittengard]] | | |
| ? | **[[Himmelsdorf]] | | |
| ? | **[[Winter Himmelsdorf]] | | |
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| ? | *Battle Tiers 2 through 3 fight on these maps: | | |
| ? | **[[Malinovka]] | | |
| ? | **[[Mines]] | | |
| ? | **[[Ensk]] | | |
| ? | **[[Ruinberg]] | | |
| ? | **[[Karelia]] | | |
| ? | **[[Prokhorovka]] | | |
| ? | **[[Ensk]] | | |
| ? | **[[Himmelsdorf]] | | |
| ? | **[[Winter Himmelsdorf]] | | |
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| ? | *Battle Tiers 4 through 6 additionally fights on these maps: | | + | The option to remove one map from the map pool can be found by clicking on your user name in the top left of the garage screen. Players with a World of Tanks Premium account may remove one additional map. Each selection has a four hour cooldown before a different map can be selected. This selection only applies to standard battles <ref name="WG excluded map article">[https://worldoftanks.eu/en/news/general-news/1-5-excluded-maps/ Dated 04/04/2019] </ref>. |
| ? | **[[Winterberg]] | | + | |
| ? | **[[Widepark]] | | + | |
| ? | **[[Steppes]] | | + | |
| ? | **[[Prokhorovka]] | | + | |
| ? | **[[Cliff]] | | + | |
| ? | **[[Karelia]] | | + | |
| ? | **[[Sand River]] | | + | |
| ? | **[[Tundra]] | | + | |
| ? | **[[Lakeville]] | | + | |
| ? | **[[Abbey]] | | + | |
| ? | **[[Westfield]] | | + | |
| ? | **[[Airfield]] | | + | |
| ? | **[[Live Oaks]] | | + | |
| ? | **[[Fiery Salient]] | | + | |
| ? | **[[Murovanka]] | | + | |
| ? | **[[Erlenberg]] | | + | |
| ? | **[[Siegfried Line]] | | + | |
| ? | **[[Swamp]] | | + | |
| ? | **[[El Halluf]] | | + | |
| ? | **[[Fjords]] | | + | |
| ? | **[[Redshire]] | | + | |
| ? | **[[Fisherman's Bay]] | | + | |
| ? | **[[Mountain Pass]] | | + | |
| ? | **[[Arctic Region]] | | + | |
| ? | **[[Serene Coast]] | | + | |
| ? | **[[Sacred Valley]] | | + | |
| ? | **[[Kharkov]] | | + | |
| ? | **[[Windstorm]] | | + | |
| ? | **[[Paris]] | | + | |
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| ? | *Battle Tiers 7 through 10 additionally fights on [[Pilsen]], but does not fight on [[Widepark]]. | | |
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| ? | *The map [[Mittengard]] is limited to battle tiers 1 through 2. | | |
| ? | *The map [[Widepark]] is limited to battle tiers 4 through 6. | | |
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| | | + | The highest tier of tank in each game determines the possible maps that can be played on. These are as follows: |
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| ? | All other battle tiers should get a random map distribution, but technical reasons relating to the allocation of server resources cause the three maps above to be the most commonly played maps for all tiers. For as yet unknown reasons also the distribution of other maps does not appear truly random. The frequency of newly introduced maps is slightly increased. See this [https://forum.worldoftanks.eu/index.php?/topic/86329- forum thread] for more details on actual map distribution in random battles. | | |
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| ? | '''Important note regarding camouflage skins:''' ''All (as of 9.2) of the maps listed for battle tiers 1-2 are summer maps. This means that tier 1 and 2 vehicles (see the Matchmaking Chart above for exceptions) will never see a desert map. So, for now at least, purchasing a desert camo skin for these vehicles is a complete waste, and a winter camo skin is minimal at best.'' | | + | *Tier I - All Tier I games are fought on [[Himmelsdorf]] or [[Mines]] |
| | | + | *Tiers II and III - [[Malinovka]], [[Ensk]], [[Ruinberg]], [[Karelia]] and [[Prokhorovka]], in addition to the Tier I maps |
| | | + | *Tiers IV through VI - All maps available in Random Battles, except for [[Pilsen]] |
| | | + | *Tiers VII through X - All maps available in Random Battles, except for [[Widepark]] |
| | | + | *[[Province]] is available from tiers IV through VII <ref name ="WG 1.1 patch notes">[https://worldoftanks.eu/en/content/docs/release-notes/release-notes-11/] Accessed 15/01/2020] </ref>. |
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| ? | ;Map Restrictions by Game Mode | | |
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| ? | *The game modes [[Game_Modes#Assault|Assault]] and [[Game_Modes#Encounter_Battle|Encounter Battle]] take place on a limited subset of the available maps (follow the respective links for a list). In addition, Encounter battles are only available for players who have researched one or more tanks of Tier IV, and Assault battles are only available for players who have researched one or more tanks of Tier VI, unless in a platoon with a player who meets these requirements. However, you can have lower tier Encounter/Assault battles. | | + | <references /> |
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| ? | === Trivia and Game History === | | |
| ? | *Battle tier 12 (tier VIII scouts and tier X regular tanks only) was removed in Patch 8.11, in order to increase the number of tier 10 and 11 matches. | | |
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| | [[Category:Tutorials/Guides]] | | | [[Category:Tutorials/Guides]] |
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| | [[ru:Балансировщик_(WoT)]] | | | [[ru:Балансировщик_(WoT)]] |
The tier of your vehicle is the only factor used when determining which vehicles it is possible for you to be matched against. Each tier of tank has a spread of possible tiers that they are able to be matched against relative to their own tier as follows:
Three templates are used by the matchmaker to create games. The preferred template consists of three top tier tanks, five middle tier tanks and seven bottom tier tanks (3/5/7). A 5/10 template is also common. Finally games where all tanks are of the same tier can occur, however the matchmaker will try to make a game of one of the other template types first.
Platoons can only be made up of tanks of the same tier. There may only be one SPG in each platoon, however dynamic platoons created in game can break this rule for only the game the platoon is made in. Platoons will be evenly divided between teams.
The option to remove one map from the map pool can be found by clicking on your user name in the top left of the garage screen. Players with a World of Tanks Premium account may remove one additional map. Each selection has a four hour cooldown before a different map can be selected. This selection only applies to standard battles [1].
