Arsenal are dreaming of a place in the top-4, which ensures Champions League in the next season.
on Sunday lost Arsenal a step, then Southampton at home won 3-2 in Ralph Hasenhüttls first home match as manager of the club.
Arsenal's streak of 22 games without defeat in all tournaments was thus stopped.
Chelsea won out 2-1 against Brighton, and thus have Chelsea 37 points in fourth place, while Arsenal are on 34 points in fifth place.
Later Sunday, take Liverpool against Manchester United.
Both Jannik Vestergaard and Pierre-Emile Højbjerg was throughout the showdown, and Gomez was unlucky to correct the ball in the goal, as Arsenal levelled the game to 2-2, after that he was in the round before made a mistake, which meant that Southampton lost to Cardiff.
the home Team got a nice start, when Danny Ings pandede Southampton ahead 1-0 after 20 minutes.
Matt Targett sent a perfect and hard ball into the box from the left edge, and Ings came running and headede the ball into the goal.
Ralph Hasenhüttl made a jubeldans on the sidelines, who recalled when the Liverpool manager Jürgen Klopp welcomes the scores.
Hasenhüttl is called as "The Ballot", but the austrian was quickly down on the ground.
Eight minutes later ensured Henrikh Mkhitaryan instead of joy at Arsenal-manager Unai Emery.
Nacho Monreal sent the ball diagonally backwards in the air, where Mkhitaryan ran the meeting and with the head directed the ball into the goal and Arsenal at 1-1.
A minute before the break could Hasenhüttl and Ings, however, cheer again, as the attacker once again headede Southampton in front.
Nathan Redmond sent the ball into the box where Ings soft headede it in a bow in the goal for 2-1.
Danny Ings had not scored in the Premier League for several years on a header, but after 45 minutes he had suddenly done it twice.
Again equalized Mkhitaryan seven minutes after the break with a flat end, as Jannik Vestergaard were unlucky to correct.
Shane Long had the ball in the goal later in the half-time, but here was judged offside, before Charlie Austin with five minutes again headede the victory home.
Chelsea was visiting Brighton, and here was Eden Hazard in vogue for after 17 minutes, and with a dribletur in the field, which threw the mind of Lionel Messi in Barcelona, come to Hazard the Brighton defence.
Hazard sent a perfect care over to Pedro, who kicked the ball the last piece of the finish to the 1-0-lead.
After a good half an hour it again was Hazard, who showed class. Willian sent the belgian off with a friløber, Hazard ran from everything and everyone and passed the Brighton keeper Mat Ryan for a 2-0 lead.
Solomon March reduced for the home team in the second half.See also: Ronaldo was the hero for Juventus