Diversity, attack bonus, defenders remaining, bg clears all contribute to your points. Obviously the key is clearing the bg, but after that clearing each node in as few deaths as possible (max 2 deaths to still gain attack bonus) gets you the most points.
In closer wars having good diversity can often tip the balance. For a 3 bg was your diversity is pretty weak, if you pumped it up around 120-130 as you’re evidently dying a fair bit that would probably account for lost attack bonus.
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Obviously the key is clearing the bg, but after that clearing each node in as few deaths as possible (max 2 deaths to still gain attack bonus) gets you the most points.
In closer wars having good diversity can often tip the balance. For a 3 bg was your diversity is pretty weak, if you pumped it up around 120-130 as you’re evidently dying a fair bit that would probably account for lost attack bonus.