BLITZ TOURNAMENT

That's exactly right, it can't be closer. The difference is just one point.

You calculated it as the sum of the results of all stages... But that's not entirely correct - you need to take all the results of all stages without rounding (at least with two decimal places) and sum them up... There might be a completely different picture - because rounding can give you up to 2.5 points for free... Moreover, within each individual stage, rounding didn't really change anything, and therefore it was used for a more convenient perception of the results table, but it is not appropriate to apply rounded values in the calculation for the final table...