Command blocks don't test for reset scoreboards
When a players score is reset and a command block is testing for a player with a score of 0, the command will not be successful even though when scores are reset, they are technically 0.
Created Issue:
Command block output bug
When a players score is reset and a command block is testing for a player with a score of 0, the command will be successful but will not give an output.
In the picture, a clock is constantly activating a command block. This command was successful, but as shown, the comparator does not give an output.
When a players score is reset and a command block is testing for a player with a score of 0, the command will be successful
but will not give an output.In the picture, a clock is constantly activating a command block. This command was successful, but as shown, the comparator does not give an output.
When a players score is reset and a command block is testing for a player with a score of 0, the command will not be successful even though when scores are reset, they are technically 0.
(Unsure how to remove picture)
Command blockoutput bugCommand blocks don't test for reset scoreboards
When a players score is reset and a command block is testing for a player with a score of 0, the command will not be successful even though when scores are reset, they are technically 0.
(Unsure how to remove picture)

Just tested in 14w33a. Updating all the problems i have posted that are still open. Output says yes, but comparator says no
Is this still a concern in the current Minecraft version? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases. If this has been done, we can reopen the issue.
Keep in mind that the "Resolved"-Status on this ticket just means "Answered", and that we are waiting for further information on whether this issue still exists or not. We will reopen it as soon as the requested information has been delivered.
Ticket resolved as incomplete, because no answer in a reasonable amount of time (1+ year), if it still happens, please update the ticket.