Jamala's '1944' won the Eurovision Song Contest for Ukraine, but she had help from history. John Egan tests his hypothesis that the continent-wide anti-Stalin vote was enough to push Ukraine towards victory.

How much impact will this new voting system have on the Eurovision Song Contest result? Will we have new winners, new qualifiers, and new last placed songs? How might these 'pre-determined countries' make up a missing televote? Ben Robertson piles through the maths minefield to find out.

The draw for this year's Eurovision Song Contest Semi Final spots has taken place in Stockholm. Looking at the historical statistics, which countries have the advantage, which are handicapped, and which need to buy a bigger prop piano?

Is it better to select a Eurovision song through a National Final or with an Internal Selection. Ben Robertson number crunches to find out if there is an answer.

With the Semi Final allocation draw over, it's over to Ewan Spence at the ESC Insight Super Computer and its spreadsheet to see which counties chances of qualification are more equal than others