For one or at the very outside two races.
But come on...
I'm a McLaren fan at heart but I'm just seeing the overall picture.
I'd be pleased for whoever wins but it does seem year after year to go to the wire - why is that?
How about if you discuss some of the previous years, and for a significant number of them, describe the case for races being fixed.
I don't believe that the races are actually being fixed. The FIA does seem to make some decisions, when they're given the opportunity, which prolong the championship battle. But it's a whole new step above that to actually fix races.
If these claims were true, then I could see how they will work. For example, it could be obvious early on who is going to win. They could be told "OK, pull back a bit now, let others catch up, but we'll guarantee that you get the championship in the end". The problem is, that too many people would then be involved in letting the "right" person win in the end. Somebody, eventually, would expose this strategy. Or, another driver wouldn't cooperate, and grab the championship for themselves should the opportunity present itself.