And unless the time be combined with the opening of...

What do You mean? In tournaments, always since the first opening is considered, at least 4 days 23 hours 59 minutes (annual).

Everything is clear, it is necessary to solve at once, without saving. But I surprised, started to resolve at 6 PM, with long breaks and finished in 3 nights. But I have done, I decided the job is not for 9 hours and only 4 hours from minutes.

Well turned out: and so the seventh score!