'Alonso Goal 100 Percent Foul'  (Sky Sports)

Arsene Wenger claimed Chelsea’s opening goal should have been disallowed, calling it a “100 per cent foul”.

Chelsea moved a step closer to winning the Premier League with a 3-1 victory over Arsenal at Stamford Bridge on Saturday.

After an even opening period to the game, Chelsea took control when Marcus Alonso gave them the lead on 13 minutes.

The goal came after Victor Moses released Pedro down the right, with the Spaniard swinging in an inviting cross that Diego Costa thumped against the bar, before Alonso beat Hector Bellerin to the rebound to head home his fourth league goal of the season.

Alonso's challenge on Bellerin left the Arsenal man dazed after being caught by the Chelsea full-back's elbow.

Bellerin was substituted because of the injury and Wenger believes the goal should have been disallowed for a foul on his player.

"The first goal was a 100 per cent foul," Wenger said. "Then Chelsea can counter attack and they do that very well. They are very organised and are quick on the counter attack.

"We had a good start but we wasn't clinical enough with our opportunities."

Eden Hazard doubled the lead with a wonderful solo goal early in the second half before former Gunners captain Cesc Fabregas finished them off with five minutes to go, lobbing home after a mistake from ex-Chelsea goalkeeper Petr Cech.

Olivier Giroud scored a consolation goal in stoppage time.

"They looked more powerful," Wenger said. "That is sometimes the impression you have when one team makes 10 passes to be dangerous and the other team plays on the counter attack. They have powerful players and Hazard's goal typifies it.

"I don't question the resilience - it all went a little bit against us.

"On the first goal we made a tactical mistake and on the second goal we was a bit naive."