In a challenge where the given annotation is integer, even the polygon-based annotation covers multiple objects. The logical way to post-process is rounding, but @Zindi will never fail to amaze me with irrational rules, as there is nothing like a non-rounded number of objects.

Honestly I would have expected rounding to be allowed in this , since we cannot have a float solar panel counts. Thresholds being banned makes absolute sense but rounding should be allowed to be fair