I don't have any problem with you changing the rule, but it shouldn't be retrospectively applied to old accounts which were created when your rules were different. Besides all of that, i wasn't playing with a bonus when i won, so there isn't really an excuse for delaying payment at all.
apeman, For now you've got 1.7 BTC withdrawal.
You used bonuses few times from one account/acoounts and then won from another. That's why we do not allow multiple accounts.