Arsenal remain clear at the top. Chelsea captain Reece James said his side delivered a "statement", but Mikel Arteta felt the Gunners "should have won". Here's why both sides can be broadly happy with Sunday's 1-1 draw...
A positive point for Arsenal - even if two dropped in circumstances
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There will be frustration from Arsenal that they couldn't capitalise on Moises Caicedo's red card after 38 minutes, but the Gunners were far from their best at Stamford Bridge.
Arsenal, who were also missing both first-choice centre-backs in William Saliba and Gabriel, struggled for attacking rhythm throughout the game. Chelsea have also been in fine form themselves and even with 10 men they caused Arsenal plenty of problems. To keep the gap to the Blues to six points cannot be a bad thing for Arsenal.
Walcott: Arsenal would have taken this
Former Arsenal forward Theo Walcott on Sky Sports:
"Playing against 10 men, you are disappointed if you do not get a result, because you are expecting to win with the extra man.
"They would have taken this at the start of the game, but let's not take away what Arsenal have done up till this point - yes they will be disappointed they did not win today to get a bigger gap to Chelsea.
"There were some tired legs, no excuses, but it will not derail them from what they want to achieve this year.
"Chelsea are their closest rivals at this moment in time and they have kept them at bay."
Once the dust settles, they will surely look back on this as a positive point. It's a point gained on the performance but two points dropped in the circumstances of the game.
It also comes at the end of a tough week of fixtures for Mikel Arteta's side, where they produced big victories over north London rivals Spurs and Bayern Munich in the Champions League.
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They didn't manage to find a winner to create a perfect week, but to stay unbeaten in three tough games has to be a positive for the Gunners, who extend their unbeaten run in all competitions to 17 games.
Finally, in terms of the Premier League, Stamford Bridge is another difficult away trip ticked off for the Gunners. They have now been to Old Trafford, Anfield, St James' Park and Stamford Bridge, and to still hold a five-point advantage at the top of the Premier League, Arteta would have taken that.
Oliver Yew
Chelsea shed soft underbelly to show true mettle
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This week, and this result especially, feels the culmination of something Enzo Maresca has been trying to build for some time. Chelsea have their bite back. Too much, in one case.
The past five days have been a tale of two red cards. Whereas Barcelona capitulated following Ronald Araujo's first-half dismissal at Stamford Bridge on Tuesday night, Chelsea were galvinised by Moises Caicedo's sending off against Arsenal, becoming just the second team from 14 to deny them victory.
Sturridge: Chelsea were 'magnificent'
Former Chelsea forward Daniel Sturridge on Sky Sports: "It's absolutely a better point for Chelsea.
"They played the game with 10 men for nearly 60 minutes.
"Playing against a team of Arsenal's quality, they will have anticipated the Gunners would have created some clearer chances, but Chelsea defended extremely well.
"Chalobah and James were magnificent but collectively, they were close to each other and speaking to each other throughout the whole game. The communication had to be great for them to pull a result out of the bag.
"Chelsea stuck to their task. It was a magnificent performance and they will be going home the happier tonight."
It would have been easy to use the red card as an excuse. Striking first less than three minutes after half-time is quite the opposite.
Throughout the early Todd Boehly era, questions have been raised about Chelsea's mentality and a weak dressing room, not aided by the logistics of a ballooning squad.
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Even under the gradual rebuilding of Mauricio Pochettino, their soft underbelly remained their biggest Achilles' heel. It has dogged Maresca at times too.
But 18 months into his reign, this performance, as much as any other, will be used as a benchmark. A mentality blueprint.
Chelsea rolled up their sleeves, did the dirty stuff, the dark arts, got stuck in and showed Arsenal they were here for a battle even at 10 vs 11. For the last hour especially, they displayed an edge even beyond their Club World Cup win and return to the Champions League last season.
Those drew on Maresca's tactical nous; this added the fight.
Ron Walker