How CHECK works?

As example here is the case of an iphone 20

seconds auction.

iPhone 20 seconds auction

We create a timeline that indicates 20 seconds

Every 5 seconds your computer ask Bidder.co.uk for an update.

The Update contains: Highest bidder and latest price

iPhone 20 seconds auction

update update update update

iPhone 20 seconds auction

update update update update

5 seconds 5 seconds 5 seconds

Update is always every 5 seconds.

iPhone 20 seconds auction

Here is the example of a Bid made 11 seconds before the end.

update update update update

BID

iPhone 20 seconds auction

You don’t see that bid until your computer updates thus at 8 seconds before the end.

update update update update

BID

iPhone 20 seconds auction

In the moment you receive the update the timer restarts, but not at 20 seconds, at 17 seconds.

update update update update

BID

The same thing happens in the last 4 seconds, only it is called

CHECK

iPhone 20 seconds auction

Here is the example of a Bid made 2 seconds before the end.

update update update update

BID

iPhone 20 seconds auction

The next update will be at minus 2 seconds.

This means that the timer goes to 0.1 and in CHECK for 2 seconds.

update update update update

BID

update

iPhone 20 seconds auction

In the moment you receive the update the timer restarts, but not at 20 seconds at 18 seconds

update update update update updateupdate

BID

The example in which nobody bids.

iPhone 20 seconds auction

Here is the example in wich nobody bids.

Timer goes to check for 2 seconds and then shows 0.0

update update update update updateupdate