Christof Sielecki
Christof Sielecki is a German chess player from Dinslaken, author of chess books and YouTuber.
He regularly participates in Banter Blitz on the YouTube channel of Chess24.com under the username Chessexplained. He speaks German and English.
Christof Sielecki's Elo rating is 2433, and his highest Elo rating of 2451 was reached in December 2014 and again in March 2015.