Elon Musk took aim at chess legend Garry Kasparov, calling the Russian grandmaster an “idiot” for his criticism of Musk’s effort to promote peace in Ukraine.

Musk has been under fire from supporters of Ukraine, including many on the American left since he tweeted a proposal for ending the Russian invasion of its western neighbor. Although Musk has spent tens of millions providing Ukraine with his Starlink satellite technology during the eight-month war, critics objected to his suggestion Ukraine make concessions for peace.

“The cost is huge but Ukraine is paying this cost,” Kasparov, a fierce foe of Russian President Vladimir Putin, said on CNBC’s “Squawk Box” Monday. “So why are people sitting in the comfort of their mansions in Silicon Valley telling Ukraine how to conduct their own affairs? It’s moral idiocy and geopolitical blindness.”

See Also:

Record-breaking chip can transmit entire internet’s traffic per second!

While it’s true that Kasparov is almost as good at playing chess as my iPhone, he is otherwise an idiot

— Elon Musk (@elonmusk) October 24, 2022

Kasparov, 59, who was born in the part of the former Soviet Union now known as Azerbaijan, reigned as world chess champion from 1985-2000. He is now chairman of the Human Rights Foundation and frequently comments on geopolitics.

Read more: Daily Wire