https://www.chess.com/blog/KeSetoKaiba/kesetokaiba-username-meaning
I shared how I thought of mine in that blog post 
How have all of you come up with your usernames?🙂
Sort:
My nickname and three letters from my last name
My initials and my middle name and the year I was born
Aug 18, 2025
0
#7
I love puzzles and a good game of chess, and wanted something that sounded stealthy.
I just used my initials
Aug 18, 2025
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#9
i thought it was cool... my brothers had better users tho... (mushypotato, majesticraisin)
Uh mine's this bcz i created a custom chess engine.
Aug 19, 2025
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#15
mines cuz oceanus is powerful from greek myths and i like oceans and chess
Cornelius > Corn > c9n
I am chatting
I would also like to know how you came up with your usernames too!