One thing that is unclear to me is what happens if we want to change to date/time after the changes:
If I have a redemption ticket issued based on the old redemption chart, will the new redemption chart rates apply?
Any change to the route or change to higher class on or after 00:00 (GMT +0800hrs), 16 February 2015 will be subject to the new redemption miles. A penalty fee of USD20 will apply to the changes made within the ticket validity.
From this it would suggest, if the same booking class is available, and no stopover etc are introduced then time/date changes would only incur the USD 20 penalty and not be rebooked on new tables, but obviously if routing changes or move to a different fare class then the new table applies. I called one person and checked and she confirmed. But I am "ye of little faith" when it comes to this matters. Think I will try another operator as well.