Russia emerged leader in Open section, four teams tied in Women's
A swift victory by Ian Nepomniachtchi was sufficient for Russia to defeat Czech Republic and assume the leading position in the Open section.
The other top matches, Hungary-Netherlands and Croatia-Armenia, were tied without a single decisive game.
Germany ended Italy's run by beating them 3,5-0,5 and Israel cruised past France 3-1.
Poland's top board Radoslaw Wojtaszek delivered the crucial point in the match with England by defeating Michael Adams. The remaining games were drawn.
Spain is also celebrating the team leader, the young David Anton, as he evened the result in the clash against heavy favourites from Azerbaijan.
Top round 4 pairings are Russia - Hungary, Germany - Poland, Israel - Croatia and Armenia - Netherlands.
In the Women's section the defending champion Russia took an early lead against Ukraine thanks to Valentina Gunina's win on the third board. The other three games were drawn and Russia celebrated overall victory.
Spain crushed Turkey 3,5-0,5, and Georgia beat Hungary 3-1 by taking full points on the lower boards. Poland also signed 3-1 against Israel, the wins coming from the players directing black pieces.
France outplayed Slovenia 2,5-1,5, while Czech Republic and Belarus held the higher rated Germany and Azerbaijan, respectively.
Netherlands took the advantage of the white pieces to defeat Slovakia by 3-1.
Top round 4 pairings are Spain - Poland, Georgia - Russia, Netherlands - Italy and Greece 1 - Armenia.
More information in the relevant sections of the official website.