There’s really no such thing as a totally accurate voting system. It’s a whole rabbit hole of variations, all with various trade offs. The stated goal is to create an accurate representation of the vote with an easily understandable voting method. It’s easy to see which is more accurate just by the chart, but understandable can be debated. Which is how the US ended up with the worst possible solution.
Not from the UK, so I don’t know what the parties are. But irregardless, one of these is not like the other.
How do all these types of electoral systems work? And is there a proper accurate one?
There’s really no such thing as a totally accurate voting system. It’s a whole rabbit hole of variations, all with various trade offs. The stated goal is to create an accurate representation of the vote with an easily understandable voting method. It’s easy to see which is more accurate just by the chart, but understandable can be debated. Which is how the US ended up with the worst possible solution.