Fernando Alonso has berated the FIA race stewards for handing Jolyon Palmer a five-second penalty for gaining an unfair advantage when the Renault driver cut the chicane to stay ahead of the McLaren driver.
Alonso and Palmer were side-by-side at the Della Roggia chicane, with the Spaniard on the inside, when Palmer cut across the run-off and remained ahead.
Alonso was heard over team radio complaining about Palmer, describing the penalty handed out "ridiculous". The Briton later retired from the race, prompting Alonso to call it "karma", although he too retired just a handful of laps from the finish.
"When we arrived at the chicane we were side-by-side, we braked late and I managed to take the chicane, but he didn't and he jumped it and stayed in front," explained the two-time champion.
"Usually that's something that's very clear in the rules: when two cars are side-by-side at the chicane and one gets to take it and one doesn't, you give back the position, but this time the FIA must have been having a Heineken.
"It was not up to F1 standards. There is not an interpretation possible there. It is black and white."
Alonso believes Palmer should have been forced to give up the position, as remaining behind the Renault caused Alonso further problems.
"You lose 10 seconds, and the problems we had with the gearbox were because of the heat and having Jolyon in front another three or four laps.
"If grabbing the football with your hands is a penalty, it should always be a penalty."