Daniel Kozusek
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Write to me

I read every message myself.Questions, ideas, a position that looks wrong: all of it helps.

hello@peekchess.comDaniel Kozusek · FIDE Master, founder

A wrong puzzle?Press “Something wrong with this puzzle?” under the board.It sends the exact position.

Billing?Manage or cancel in My account.Bought in the app? Apple or Google handle refunds.