(seated left) and future world champion
Tigran Petrosian (standing right) follow events Over the early years, the formula altered incrementally, to allow the participation of a growing number of teams. At the inaugural event, only four places were made available for the Finals and some teams expected to do well, simply failed to qualify from the preliminary rounds. By 1973, the competition had expanded to roughly double the size and there were twenty-four nations in the preliminaries, competing for eight places in the Finals, held in
Bath. Conversely, over the same period, the number of boards played in a match was reduced from ten to eight, presumably to reduce costs for organisers and participatory federations. Into the new millennium, the format has changed radically and is now based on a Swiss system in nine rounds, on the model of the Olympiad, with one section for the open teams and one section for the women's teams, considered as separate competitions. At
Gothenburg in 2005, the open competition comprised 40 teams (including Sweden B and Sweden C) and the women's competition, 26 teams (including Sweden B). Each round was contested over four boards and squads included a reserve. Historically, teams played for the pleasure of winning the Europa Cup, but nowadays this has been overshadowed by the popular medal-winning format of the 'Olympics' and Chess Olympiad. Gold, silver and bronze medals are awarded to the top three teams and also as board prizes for outstanding individual performances.
Plovdiv 2003 heralded a major change in the scoring methodology. Both the open and women's events were, for the first time, scored by total of match points, rather than game points as had previously been the case. Game points are still recorded for purposes of tie-breaking. == Results ==