Is it freezing cold still?
On the contrary it is actually shirt sleeve weather at the moment.

The food in the hotel is v good - wonderful filet mignon for 35 litas - £7
The tourney entries and payouts are in local currency - I assume you registered online? Even so you will have to pay in 1 hour before the start of the tourney.
Went on a tour this morning - there's a lot of history in these parts! No 1 in the category of "not a lot of people know that" is that Lithuania was the last pagan country in Europe and crusaders used to invade it in the 16th century. Just about every church had been burnt down and rebuilt at least twice. One of the churches was turned into the "Museum of Atheism" by the soviets (presumably it was empty....).