Chess - Unsolved mystery

I never expected the ending

Message me on lichess @SkillerEP for chess lessons, I'll teach you how to get better at chess! That could be chess openings, chess principles, reviewing your game and offering tips or chess lines, etc. From chess beginners to advanced, My peak bullet rating is 2002, my peak blitz rating is 2051, and my peak rapid rating is 2004, all over 2000 rating!

FIRST LESSON IS FREE