GENEVA -- The goal of helping referees with video review to make decisions at the 2018 World Cup has been facing key tests at FIFA headquarters.Two systems among the 11 in talks to win the World Cup contract were undergoing trials this week during training sessions with Europes candidates to referee in Russia.An idea met with a skeptical response when then-FIFA President Sepp Blatter presented it in 2014 has support from his successor, Gianni Infantino -- even if Blatters idea of NFL-style challenges by coaches looks unlikely to survive.It is not certain that video assistance referees, or VARs, will be approved in time for the World Cup.Still, history was made on Wednesday with a first significant intervention by video review at a Dutch Cup match. Willem II player Anouar Kali was sent off for fouling an Ajax opponent one minute after the referee initially showed a yellow card.Here is how FIFA is moving to give top-level referees the kind of help that is standard in American sports leagues:---THE REQUIREMENTSFIFA wants video review only for potential clear errors in four situations: goals being scored, penalties being awarded, players being sent off and cases of mistaken identity.It needs a technology system to help VARs and the referee communicate quickly without spoiling the games flow.Massimo Busacca, FIFAs director of refereeing, believes it should take not take more than five, six seconds to review an incident.If we need one (camera) angle more, of course it can take two seconds more, Busacca told The Associated Press.In most situations, play has naturally stopped and review time will not disrupt the flow.All involved agree that calling back play to impose a decision not initially taken is the biggest challenge for FIFA and its rule-making panel, known as IFAB, which must give final approval.---THE TECHNOLOGY SYSTEMThe DreamCatcher system developed by Evertz Microsystems of Burlington, Ontario is among FIFAs options. It has already been proven in NFL, NBA, MLB and NHL games.This week at FIFA, two DreamCatcher operators worked in a windowless portable cabin next to the hedges lining the soccer bodys compound.Two banks of screens -- each to be monitored by one of two VARs, helped by a technician -- take feeds from cameras around the artificial turf pitch that flanks FIFAs offices.The largest wide-screen TV above the desk shows a live game feed. Two smaller screens at desk level show several angles of the action at a slight delay, allowing the VARs to take a quick glance at an incident. The VAR can ask to zoom in anywhere on the split-screen images. Each World Cup match has at least 30 cameras, but too many angles can slow a decision.Though the NBA and MLB centralize review operations in one location, FIFA would likely want each VAR team in a truck or booth at each of the 12 stadiums in Russia.FIFA had set a two-year timetable and wants a decision by IFAB by March 2018.This has been the most thorough review of the leagues we have worked with, DreamCatcher project manager Nima Malekmanesh said.---THE REFEREES BOSSSix seconds. In that time, Busacca wants his officials to know if they must change a clear mistake.That will require expert analysis and communication skills from the VAR, who Busacca believes should also be a FIFA-list official.Absolutely. If he is not the same level, how can he change the decision of the referee? said Busacca, who suggests video review could be a rarity at World Cups with only the best referees taken from each continent.If you have a top referee, one situation every four or five games, he said.Busacca insists video review cannot compromise the personality and football understanding of his officials, and he is no fan of letting coaches challenge decisions.Never lose the authority of referees, never take it out, he said.---THE REFEREEBjorn Kuipers supports video review within clear limits.You need a VAR which you can trust, said the referee from the Netherlands. If you dont have a VAR on the same level, it will be difficult.He foresees the two video reviewers joining a referees two assistants and fourth official as part of a regular match team from the same country, speaking their native language.The communication has to be very clear, very short, said Kuipers, who worked the 2014 Champions League final before going to the World Cup in Brazil. We have 10 seconds or 12 seconds if we want but its not good for the game.Kuipers was granted 10 seconds earlier this month when Italy hosted France in Bari, and he made a key video-assisted decision to show France defender Djibril Sidibe only a yellow card for fouling Daniele De Rossi. The Italy midfielders teammates wanted a red card.Players like it when they got confirmation, Kuipers said, referring to that outcome.---THE FIFA MANAGERAs FIFAs lead official for technological innovation, Johannes Holzmueller oversaw the process of approving goal-line technology and picking the GoalRef system for the 2014 World Cup.Holzmueller visited the U.S. in February to hear from pro leagues about their experiences with video review.The 11 contenders in talks with FIFA also include American firm XOS Digital and Hawk-Eye, the British system used in Amsterdam on Wednesday.The technology works, and FIFA must find a clear protocol for feeding information to referees, Holzmueller said.Coaches challenges could lead to stoppages to tactical reasons, and requiring referees to check images on a tablet computer also appears to be slow.We have to look at, `Does it improve the game and not just refereeing? Holzmueller said. 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In that game, Zdeno Chara put a check on Tommy Wingels that clearly targeted his head. DETROIT -- Tuukka Rask again showed how valuable he is to the Boston Bruins.Rask made 24 saves for his 31st career shutout to lead the Bruins to a 1-0 win over the Detroit Red Wings on Saturday night.Tim Schaller scored for Boston, which snapped a three-game skid and ended Detroits six-game winning streak.It was Rasks first game back after missing the previous three with a lower-body injury. Boston lost all three games while allowing 14 goals.It is easier to play when Tuukka is in the net, because he keeps everything so calm on the ice, Boston coach Claude Julien said. Thats a huge advantage for the other players.Even though he was on the ice, there are doubts that Rask is totally healthy.I felt great, Rask said. This isnt going to be a problem going forward. I wasnt sore at all.Jimmy Howard stopped 35 shots for the Red Wings, who lost at home for the first time.We couldnt really get anything going, no momentum at all, Detroit captain Henrik Zetterberg said. (Howard) was good, PK was good. Then I thought the longer the game went, the more battles we won, more chances we got. But we got to be better.Schaller scored with 2:11 left in the second period as his shot from along the goal line in the right corner went in off of Howards left hip. It was Schallers first goal of the season.On the goal, I thought I took everything away on the short side and somehow he managed to bank it in -- off the post, off me and in, Howard said.He plays hard and he makes things happen, Julien said about Schaller.The play was the result of a turnover by the Red Wings Dylan Larkin in the high slot.Detroit coach Jeff Blashill challenged that the play was offside going into the Detroit zone but the play was determined to be onside after a video review.They were hungrier than us all over the ice, outside of Zetterrbergs line, Blashill said.dddddddddddd I thought Zetterbergs line had lots of compete in them, as a result they were the only ones to have any zone time. Maybe a player here and a player there, but as a group they outcompeted us. ... We should have known better than that. In the end it wasnt good enough.The goal also ended Howards shutout streak at 156:02.He stopped the Bruins Austin Czarnik on a one-timer from the bottom of the left circle 7:27 into the second period.Rask made an athletic save on a tip by Detroits Tomas Tatar off a shot by defenseman Jonathan Ericsson at about the eight-minute mark of the middle period.Howard denied Schaller on a short-handed breakaway attempt with 8:38 left in the second.I thought I had him beat, but it went off the knob of his stick, Schaller said. When I got back to the bench, I asked (teammate defenseman Adam McQuaid) if that was a great save or luck, and he said thats just luck. I guess fourth-line guys dont get the nice goals, but the greasy ones count the sameDetroit forward Steve Ott speared Boston defenseman and captain Zdeno Chara in the groin/hip area shortly after the opening face-off but neither referee saw it. Ott and Chara got into a scrum and both received an unsportsmanlike conduct minor 43 seconds into the game.NOTE: Detroit LW Thomas Vanek missed his second game with a lower-body injury. ... Bruins F David Pastrnak served the first game of a two-game suspension because of an illegal check to the head of New York Rangers D Dan Girardi on Wednesday night. ... The Bruins sent G Malcolm Subban to their AHL affiliate in Providence.UP NEXT:Bruins: At Florida on Tuesday night.Red Wings: Host Florida on Sunday. ' ' '