DERMOT GALLAGHER pointed retired a flaw with the VAR system... it tin beryllium littered with "optical illusions".
The erstwhile lucifer authoritative was appearing connected Sky Sports' Ref Watch to sermon 2 large incidents successful Chelsea's arguable triumph implicit West Ham.
In the physique up to Pedro Neto's all-important second-half equaliser, Jarrod Bowen was bundled implicit by Levi Colwill.
No foul was fixed and play waved on, arsenic Chelsea went up the different extremity to score.
But the extremity itself was besides mired successful contention aft Marc Cucurella was adjudged to NOT beryllium offside.
Neto whipped the shot crossed with the left-back successful an offside position.
However, determination was overmuch statement arsenic to whether Marc Guiu got a flick connected the shot en-route to Cucurella.
If helium had, past Cucurella would perfectly person been offside.
The shot came crossed to Neto, who smashed the shot into the backmost of the net.
After a VAR check, the extremity was allowed to stand, with Guiu truthful not adjudged to person got a flick.
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Gallagher - who admitted the collision betwixt Bowen and Colwill could possibly person been a free-kick for West Ham - said it looked arsenic though Guiu got a interaction based connected a inactive photo.
However, helium called it an optical illusion arsenic helium pointed to the information you couldn't spot a interaction erstwhile watching the video.
Chelsea vs West Ham: Player Ratings Breakdown
Gallagher said: "If helium touches it, without uncertainty Cucurella is offside.
"But you look astatine it, there's 1 space that I deliberation is an optical illusion…
"It looks arsenic though helium touches it but it's a inactive photograph and I deliberation inactive photos tin beryllium deceiving.
"You look astatine it and there's nary grounds he's touched the ball.
"So I consciousness he's work bound to let the goal."
Gallagher went connected to admit portion the foul connected Bowen should person been given, capable clip had passed betwixt that incidental and the extremity to not spell backmost and cheque it.
On the goal, the Premier League commented: "The referee’s telephone of extremity was checked and confirmed by the VAR arsenic determination was nary factual grounds that Guiu made interaction with the shot successful the build-up, truthful determination was nary offside offence."
CHELSEA PLAYER RATINGS: Levi Colwill’s sluggish show saved by Pedro Neto’s champion showing successful a Blues shirt
CHELSEA capitalised connected the failures of their rivals to determination up to 4th successful the Premier League with a 2-1 triumph implicit West Ham.
A big of changes from Enzo Maresca upped the tempo successful the 2nd half, and they paid dividends with Pedro Neto driving location an equaliser successful the 63rd infinitesimal aft a changeable from Fernandez.
Jarrod Bowen had capitalised connected a Levi Colwill mistake to occurrence West Ham ahead.
Fans grew optimistic arsenic the location broadside grew into the game, which culminated successful a deflected Cole Palmer effort sending the Bridge into raptures arsenic they went 2-1 up.
Here is however SunSport's Lloyd Canfield rated Chelsea's performance.
Filip Jorgensen - 7
It would've been a pugnacious task to disappoint Chelsea fans aft what they person seen from Robert Sanchez successful caller weeks.
There wasn't an atrocious batch helium could bash astir the opener, and really made immoderate beauteous bully stops to forestall his broadside being much than 1 extremity down astatine the halfway point.
Those saves proved vital, and helium should expect to commencement against Brighton up next.
Reece James - 6
His crosses from the close were bully passim the archetypal half, but determination was nary 1 objective capable successful the container to drawback him an assist.
Strong defensively, but yet didn't person overmuch to bash successful that facet with Chelsea ascendant connected the flanks.
Tosin Adarabioyo - 7
Strong successful the aerial and beauteous bully crossed the ground.
Perhaps could person done a small much to forestall Bowen opening the scoring arsenic helium seemed to basal and ticker him shoot, but wide was bully and is increasing into a good, accordant Premier League centre half.
His captious artifact successful added clip mightiness good person been the quality betwixt 3 points and one.
Levi Colwill - 3
His atrocious backpass rolledBowen successful perfectly to springiness the Hammers the pb conscionable earlier archetypal half-time.
A lousy and sluggish show improved successful the 2nd fractional aft his broadside took the lead, but helium was fortunate not to outgo his broadside points tonight.
Marc Cucurella - 7
Inverted good from near backmost into midfield successful a relation that looks made for him, helium was beardown successful his tackles and bully successful the aerial from commencement to finish.
Got into unsafe positions going forward, but couldn't adhd the finishing touches to his crippled connected this occasion.
Moises Caicedo - 7
Tenacious tackling and vigor is what the location fans person go accustomed to seeing from their Ecuadorian destroyer.
Glimpses of that successful the archetypal fractional extended into a mature and controlled 2nd 45 minutes wherever helium looked to person Mo Kudus' number.
Enzo Fernández - 5
Missed a immense accidental to springiness Chelsea the pb which helium rolled past the near manus station from a fewer yards out.
It was his blocked effort which bounced retired for Neto to level the scoring, but wide the Argentine looked a spot disconnected the gait successful midfield.
Noni Madueke - 4
Perhaps should've had a extremity and assistance successful the archetypal fractional an hr arsenic helium was acceptable up by Nicolas Jackson and enactment the shot connected a sheet for Fernandez, but neither accidental was converted.
His champion infinitesimal of the 2nd fractional was erstwhile helium bodied the referee, earlier being subbed for Christopher Nkunku.
Cole Palmer - 7
A quiescent archetypal fractional had the travelling fans comparing him to Andy Irving, but helium soon showed them up.
Almost scored a free-kick akin to the 1 we saw against Brighton this season, but it was good saved by Alphonse Areola.
It was his deflected effort that enactment his broadside successful the pb arsenic helium grew into the crippled much and more.
Jadon Sancho - 4
His speedy feet made him a menace connected the left-hand broadside successful the archetypal half, but again his extremity merchandise oregon deficiency thereof would've outgo Chelsea if his replacement didn't bail them out.
Was subbed 5 minutes into the 2nd fractional for Pedro Neto.
Nicolas Jackson - 3
Showed immoderate promising signs aboriginal connected with a bully shot into Noni Madueke, who narrowly missed the goal.
Aside from that, helium looked similar a striker utterly devoid of immoderate assurance and was mediocre earlier being hooked for 18-year-old Marc Guiu.
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Marc Guiu (Nicolas Jackson, 51) – 5
Didn't truly bash a batch incorrect oregon close aft coming connected for Nicolas Jackson.
Certainly looks much assured successful the Conference League, but Premier League minutes successful the vessel volition bash him good.
Pedro Neto (Jadon Sancho, 51) - 8
His champion show successful a Chelsea garment since helium joined.
A composed decorativeness saw him level the scoring earlier much large enactment successful the physique up sawPalmer firearm location a deflected effort.
Great energy, enactment rate, and extremity merchandise from Maresca's ain Portuguese magnifico.
Malo Gusto (Reece James, 60) - 6
Was energetic and beardown aft replacing skipper Reece James, besides playing a portion successful the extremity that enactment his broadside successful the lead.
His passing was bully and helium looked much similar the subordinate who became a instrumentality favourite astatine Stamford Bridge past campaign.
Christopher Nkunku (Noni Madueke, 60) - 5
Did a occupation for the squad retired of presumption connected the left-hand broadside successful Jadon Sancho's position.