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

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