IM Christof Sielecki, I am a professional chess teacher and chess content producer for 7 years now, known for my Youtube Channel "Chessexplained" and various works
on chess theory. I have published a book on the Nimzo and Bogo Indian and created content for various platforms. Check https://www.chessable.com/author/Chessexplained/ for the latest releases.
FIDE rating: 2435
Member since 20-Mar-2014
Game completion rate: 97%
Time spent playing: 14 days, 17 hours and 14 minutes