Thibaut Courtois accused West Bromwich Albion of "playing only long balls" and provoking his teammates after Tony Pulis' men twice came from a goal down to claim a 2-2 draw against Chelsea at Stamford Bridge.
Cesar Azpilicueta's opener and a Gareth McAuley own goal gave the Blues the lead in each half on Wednesday, but Craig Gardner equalised in the 33rd minute before James McClean struck four minutes from the end to ensure the visitors a share of the points.
It was a match that frequently threatened to boil over as tempers flared -- Diego Costa clashed with several West Brom players and lashed out at the Stamford Bridge tunnel as he stormed back to the dressing room at the final whistle, while Courtois was booked in the 70th minute for an altercation with McClean.
"We're very disappointed," Courtois told reporters afterwards. "It was a game we wanted to win. It was a tough game with them playing only long balls, [playing for] second balls, trying to provoke players. It was a bit frustrating. We tried to do our best, we came back but sadly they got the second goal."
After the match, Pulis admitted that Baggies midfielder Claudio Yacob was fortunate not to receive a second booking shortly before he was replaced by Saido Berahino in the 60th minute, and Courtois added: "I think [Yacob] should have been sent off. Their manager took the player off one second after the foul, so I think everybody knows that was clear."
The result means Chelsea are still waiting to record back-to-back wins in the Premier League this season and remain 14th in the table -- 12 points adrift of fourth-placed Tottenham.
But Courtois insists his team did not deserve to drop two more points against West Brom.
"[The West Brom goals] were a bit unlucky," he added. "The first, Pedro wanted to come inside and play the ball, but it took a touch to Gardner and he hit a fantastic shot. The second came after a free-kick, we tried to head it clear, the ball touched our player and the shot went in the corner again.
"They were unlucky and that's the position we are in at the moment. They were goals maybe last year we didn't concede because we were up top, and now they are the kind of goals you concede because you are down there.
"We have to keep on fighting, we have Everton now which will be a difficult game as well, but we have to fight for every game and every point."