This article was accepted into the corpus but its outbound wikilinks were never NER-processed — typical at the deepest BFS hop or when the run's entity cap was reached. No expansion funnel to show.
| VAR (technology) | |
|---|---|
| Name | VAR (technology) |
| Caption | Video Assistant Referee system in operation |
| Introduced | 2016 |
| Developers | International Football Association Board, International Football Federation Board |
| Used in | Football, Rugby, Tennis, Cricket |
| Technologies | Video replay, Hawk-Eye, Goal-line technology, Sensor systems |
VAR (technology) VAR (technology) is a system using video replay, real-time communication, and officiating protocols to assist on-field referees in decision-making during FIFA World Cup, UEFA Champions League, English Premier League, Serie A, and other major FIFA-sanctioned matches. It integrates hardware and software produced by companies linked to Hawk-Eye Innovations, Sportlogiq, IBM, HBS, Opta Sports and overseen by bodies such as the International Football Association Board, Fédération Internationale de Football Association, Union of European Football Associations and national associations including the Football Association (England), Royal Spanish Football Federation, and Italian Football Federation. The system aims to reduce clear and obvious errors related to goals, penalties, direct red cards, and mistaken identity with support from broadcasters like Sky Sports, BT Sport, NBC Sports, and beIN Sports.
VAR arose after high-profile incidents in competitions such as the 2010 FIFA World Cup qualification (UEFA), the 2014 FIFA World Cup, and the 2016 Copa América Centenario where contested calls in matches involving teams like Real Madrid CF, FC Barcelona, Manchester United F.C., and Bayern Munich prompted debate. Pilot programs involved collaboration between IFAB, FIFA, UEFA, and technology firms including Hawk-Eye, GoalControl GmbH, Video Assistant Referee Limited and broadcasting partners including Host Broadcast Services, Turner Sports, and Sky Deutschland. Adoption accelerated through regulatory approval at IFAB annual meetings and iteration following tournaments such as the 2018 FIFA World Cup in Russia, the 2019 FIFA Women's World Cup in France, and continental tournaments like the CONMEBOL Copa América.
VAR systems combine multiple camera feeds provided by host broadcasters like Host Broadcast Services and proprietary arrays from Hawk-Eye Innovations, GoalControl GmbH, Sportvision, and EVS Broadcast Equipment. Core components include high-frame-rate cameras used in venues such as Wembley Stadium, Camp Nou, Allianz Arena, San Siro, and Santiago Bernabéu Stadium; replay workstations built by EVS; communication headsets from Sennheiser; and video management software developed by firms akin to HBS and Ascential. Technical protocols reference standards from International Electrotechnical Commission and European Broadcasting Union guidelines for latency, frame rate, and synchronization. Operation involves a VAR team based at centralized hubs or onsite review rooms, using procedures endorsed by IFAB where the VAR communicates with the on-field referee via the match commissioner and the referee assessor teams such as those appointed by UEFA Referees Committee.
Beyond association football competitions like Premier League, La Liga, Bundesliga, Major League Soccer, A-League, and J1 League, similar replay systems have been adopted in Rugby World Cup matches governed by World Rugby, in Cricket World Cup matches under International Cricket Council, and in tennis events including Wimbledon and the US Open where Hawk-Eye is used. Leagues and federations such as CONCACAF, CONMEBOL, AFC, CAF, Japan Football Association and organizations like FIFA Referees Committee have tailored protocols. Implementation varies between competitions like the UEFA Europa League, UEFA Nations League, FA Cup, and Copa Libertadores, reflecting differences in stadium infrastructure, broadcast partner capabilities, and regulatory decisions by entities such as The Football Association and FIGC.
Critics including pundits and managers from clubs like Manchester City F.C., Liverpool F.C., Real Madrid CF, Atlético Madrid, and national teams such as Brazil national football team and Argentina national football team have cited delays during matches in competitions like the Premier League and UEFA Champions League and referenced contentious incidents from fixtures involving Chelsea F.C. and Paris Saint-Germain F.C.. Legal and governance debates have involved bodies such as FIFA Ethics Committee and national arbitration tribunals like the Court of Arbitration for Sport concerning interpretation, consistency, and transparency. Academic critiques from institutions including Loughborough University, University of Cambridge, and Columbia University have assessed VAR's impact on flow, fan experience at venues like Old Trafford and Anfield, and data integrity when integrated with analytics providers such as Opta Sports and Stats Perform.
Regulation is primarily driven by International Football Association Board decisions adopted by FIFA and implemented by confederations including UEFA, CONMEBOL, CONCACAF, AFC, CAF, and national associations like the Football Association (England). Standards reference technical guidance from International Electrotechnical Commission and broadcast specifications from European Broadcasting Union, while disciplinary oversight involves panels from FIFA Disciplinary Committee, UEFA Control, Ethics and Disciplinary Body, and domestic bodies like the English Football League. Training and accreditation for VAR officials are provided by referee organizations such as the Professional Game Match Officials Limited and referee development programs run by FIFA Referees Committee.
VAR has influenced tactical choices by clubs including Manchester United F.C., Arsenal F.C., Juventus F.C., and Inter Milan through altered pressing and defensive behaviors in penalty-box scenarios observed in leagues like Serie A and La Liga. Statistical providers such as Opta Sports, Stats Perform, Wyscout, InStat, and Sportscode updated event classification schemas to account for reviewed incidents, affecting player metrics, expected goals models used by analysts at FiveThirtyEight, The Athletic, Bleacher Report and club analytics departments at Manchester City F.C. and FC Barcelona. Research groups at MIT, University of Oxford, and KPMG Sports Analytics studied changes in foul rates, stoppage time, and referee decision patterns after VAR deployment.
Future directions involve integration with goal-line technologies by firms such as GoalControl GmbH and Hawk-Eye Innovations, sensor-based solutions tested in venues endorsed by FIFA, machine learning initiatives from labs like DeepMind, IBM Research, and Microsoft Research for automated incident detection, and standardization efforts coordinated by IFAB and FIFA with stakeholders including UEFA and CONMEBOL. Ongoing trials in lower-tier competitions, university research partnerships at institutions like Stanford University and ETH Zurich, and pilot programs with broadcasters such as Sky Sports and ESPN aim to improve transparency, reduce latency, and explore automated offside lines, 3D reconstruction, and AR overlays for audiences at venues like Allianz Stadium and MetLife Stadium.
Category:Association football refereeing