| Most recent season or competition: 2019 StarCraft II World Championship Series | |
 | |
| Sport | StarCraft II |
|---|---|
| Founded | 2012 |
| Ceased | 2019 |
| Replaced by | ESL Pro Tour |
| Owner | Blizzard Entertainment |
| Last champion | Park "Dark" Ryung Woo |
| Most titles | Kim "sOs" Yoo-jin (2) |
| Broadcaster | Twitch |
| Related competitions | Global StarCraft II League Dreamhack Intel Extreme Masters |
| Official website | wcs.starcraft2.com |
TheStarCraft II World Championship Series (WCS) was aStarCraft II professional tournament series organized and sanctioned byBlizzard Entertainment that ran from 2012 to 2019.[1][2] For all but its first year of operation, it was the highest tier ofprofessionalStarCraft II competition. Its longest-running iteration featured two regions,World Championship Series Korea andWorld Championship Series Circuit, withWorld Championship Series Global events featuring players from both regions. Grand finals were held annually atBlizzCon inAnaheim, California, except for the first year of competition, when the finals were held inShanghai, China.[3] WCS Circuit events were streamed onTwitch while WCS Korea events were available on Twitch,YouTube, andafreecaTV.
World Championship Series Korea professional competition was centered on events organized byafreecaTV under theGlobal StarCraft II League (GSL) name, including GSL Code S seasons and GSL Super Tournament events. World Championship Series Circuit professional competition centered on tournaments held under the World Championship Series Circuit name with qualifiers held for each under the World Championship Series Challenger name.[4]
World Championship Global competition featured two large events each year. These wereESL'sIntel Extreme Masters World Championship event inKatowice, Poland, andafreecaTV's GSL vs. the World event inSeoul, Korea. For its final two iterations as part of the WCS system, the former has had its prize pool crowdfunded, as did the Global Finals event for its final three iterations. This was done through the StarCraft II War Chest system, which allowed players to purchase cosmetic items in game with 25% of sales going towards funding the professional scene.[4][5]
The StarCraft II World Championship Series was founded alongside a move to share branding amongBlizzard Entertainment's competitive games and tournaments under the nameBattle.net World Championship Series, which also includedWorld of Warcraft competition.[2] The first year of competition, the2012 StarCraft II World Championship Series, featured over 30 events including national and continental championships that fed into the grand finals of the year held inShanghai, China alongside theWorld of Warcraft finals. Events were limited to a few days or weeks of play with nationality-based limitations. This format lead to the series of events being well-viewed but not considered the peak ofStarCraft II competition, especially all events that featured no Koreans and strict nationality requirements for players of the respective nationality or continent.
The shared branding initiative ended as starting with 2013, the respective games' events no longer culminated in the Battle.net World Championship and instead ended under separate names as more Blizzard games came to have their own professional circuits run by the company.[6]
Coinciding with the release ofStarCraft II's first expansion pack,Heart of the Swarm, the World Championship Series' format was changed drastically to center around Blizzard-run events, turning it into the highest level ofprofessionalStarCraft II competition. Starting with the 2013 season, the WCS transitioned to aGSL-inspired league format where seasons would run over multiple weeks and months. These leagues were played under the name WCS Premier League with the lower tier of competition named WCS Challenger, analogous to the GSL's Code S and Code A respectively.[7] KoreanStarCraft II leagues upon which this new format was based were included in this transition and came under the WCS banner, with WCS points being given out alongside prize money to define who would qualify for the Global Finals. Nationality requirements were removed for the first year of the new league format and though reintroduced in 2014, region-locking remained minimal. This led to Korean players, historically dominant in professional competition for boththe originalStarCraft andStarCraft II, winning all leagues across all regions for both years of open league play.[8] 2013s WCS featured cross-league seasonal finals, while those were removed for the 2014 season.
Both of Korea's individual leagues,Ongamenet'sOngamenet Starleague (OSL) andGOMTV'sGlobal StarCraft II League (GSL), were included in this new WCS format in 2013. The leagues alternated, with the first and last seasons of WCS 2013 in Korea being GSL events, and the second being an OSL event. In 2014, all Korean leagues were GSL events as the OSL had officially ceased operations.
In 2015, non-Korean leagues were consolidated into one, the WCS Premier League, while the Korean region saw the introduction of a new Korean league to run alongside the GSL, theStarCraft II StarLeague (SSL) organized bySPOTV.[9] For the first time since the transition to a league format, harsh region-locking restrictions were introduced which lead to the first non-Korean WCS Premier League champion, though some Korean players managed to continue competing by moving to the United States and participating under the new residency requirements.
In 2016, coinciding with the release ofStarCraft II's second expansion,Legacy of the Void, the format of the WCS was once again vastly changed. After 2015s consolidation, the WCS Premier League was completely phased out in favor of regional qualifiers and large weekend tournaments. The regional qualifiers took up the name of the lower flight of Premier League competition, and became WCS Challenger. Starting in 2016, Korean and non-Korean WCS rankings were separated, with the newly created WCS Korea and WCS Circuit rankings each constituting half of the seeds into the year's Global Finals.
In late 2016 after the 2016 Global Finals, for the first time since the start of the World Championship Series,Blizzard announced a standard format that would remain unchanged for both 2017 and 2018, as all previous event years had featured large changes each year. There would now be three seasons of Korea's GSL Code S, joined by shorter week-long GSL Super Tournaments for WCS Korea, and four weekend events for WCS Circuit, with regional Challenger qualifiers held for six regions.[10][4] Two official WCS Global tournaments would be held, IEM Katowice and GSL vs. the World. While other events could be included in the WCS if they covered given requirements, this was the official lineup of events for both 2017 and 2018.
Also starting in 2017, crowdfunding was introduced in the form of a War Chest system that allowed players to purchase cosmetic items in-game with 25% of revenue from purchases going to increasing the prize pool of a given event to a point, beyond which money would go to funding competitive play in general. The first event to have its prize pool increased was the 2017 WCS Global Finals, which received $200,000, the targeted amount, within the first of three stages of the crowdfunding.[11] Since then, it has been used to crowdfund $200,000 for latter Global Finals and $150,000 forIEM Katowice events.[12]
In 2019, one stop for the year's World Championship Series was replaced by a pair of online leagues with live in-studio finals,WCS Winter America andWCS Winter Europe. Two of the three remaining WCS Circuit stops were organized by Star Ladder, significantly lowering Dreamhack's participation in the circuit with just one stop compared to all four for the previous two years. Despite the changes in organizer partnerships, the tournament circuit format remained unchanged beyond the inclusion of WCS Winter.[13]
In early 2020,Blizzard announced the end of the World Championship Series in favor of the creation of a new professional circuit, theESL Pro Tour StarCraft II (EPT) run byESL andDreamhack with prizing funded by Blizzard.[1] While the format of events run by Dreamhack would remain unchanged from the WCS Circuit, changes to the overall structure of the tournament were announced, including the final event of each year of competition being moved fromBlizzCon toIEM Katowice. The EPT was announced with a commitment of three years of competition and prizing including a one-off increase in prize pools for events in 2020 for StarCraft II's tenth anniversary.[14]
| Year | Winner | Score | Runner-up |
|---|---|---|---|
| 2012 Details | Won "PartinG" Lee-sak South Korea | 4–2 | Jang "Creator" Hyun WooSouth Korea |
| 2013 Details | Kim "sOs" Yoo-jinSouth Korea | 4–1 | Lee "Jaedong" Jae-dongSouth Korea |
| 2014 Details | Lee "Life" Seung HyunSouth Korea | 4–1 | Mun "MMA" Seong WonSouth Korea |
| 2015 Details | Kim "sOs" Yoo-jinSouth Korea | 4–3 | Lee "Life" Seung HyunSouth Korea |
| 2016 Details | Byun "ByuN" Hyun WooSouth Korea | 4–2 | Park "Dark" Ryung WooSouth Korea |
| 2017 Details | Lee "Rogue" Byung RyulSouth Korea | 4–2 | Eo "soO" Yoon SuSouth Korea |
| 2018 Details | Joona "Serral" Sotala Finland | 4–2 | Kim "Stats" Dae YeobSouth Korea |
| 2019 Details | Park "Dark" Ryung WooSouth Korea | 4–1 | Riccardo "Reynor" Romiti Italy |
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