I quit competitive chess, selling ChessBase 16 and Mega Database

Hello, I recently decided for multiple reasons to quit competitive chess and therefore am willing and trying to sell my CB 16 and Mega Database 2021, both bound to my PlayChess account with 10 months of active subscription. I first tried to get a refund, because the shift in my mentality happened about

Groundbreaking: the interpretation of a chess engine analysis in natural language. ChessBase 17 describes in words what the in-depth analysis entails.

ChessBase 17 Starter Package EDITION 2024: ChessBase 17 Chess Database Management Software Program Bundled with Big Database 2024 and ChessCentral's

I quit competitive chess, selling ChessBase 16 and Mega Database 2021 at 30% discount - Chess Forums

Chess & Bridge: London Chess Centre

New: Mega DataBase 2022

What are the chances of survival of individual chess pieces in average games? - Quora

Chess & Bridge: London Chess Centre

Path to Chess Mastery: December 2014

Chess In Science Mags

What are the chances of survival of individual chess pieces in average games? - Quora

How to use the chess Mega Database with ChessBase and Fritz

What are the chances of survival of individual chess pieces in average games? - Quora

December 2016 – Campfire Chess