“exploit it to his personal advantage.”
Based on what? How? Where?
On 10 April 2005, Kasparov was in Moscow at a promotional event when he was struck over the head with a chessboard he had just signed.
The assailant was reported to have said,
“I admired you as a chess player, but you gave that up for politics” immediately before the attack.
https://en.wikipedia.org/wiki/Garry_Kasparov#Politics