The European Team Championship (often abbreviated in texts and games databases as ETC) is an international team chess event, eligible for the participation of European nations whose chess federations are located in zones 1.1 to 1.9. This more or less accords with the wider definition of Europe used in other events such as the Eurovision Song Contest and includes Israel, Russia and the former Soviet States. The competition is run under the auspices of the European Chess Union (ECU). Championship history The idea was conceived in the early 1950s, when chess organisers became aware of the need for another international team event. Consequently, a men-only Championship was devised and held every four years, with the intention of filling in the gaps between Olympiads. More recently, the Championship has grown in importance and popularity and is regarded as a prestigious tournament in its own right, providing for male and female participants. The first Championship Final was held in Vienna and Baden bei Wien in 1957 (August 22–28). It was a double round robin and notable for the surprise victory of the Yugoslav team over the mighty Soviet team in their second encounter. For the next twenty years, Championships occurred at four-year intervals, although the Kapfenberg event was delayed by a year. Since 1977, successive tournaments have mainly been held on a three and then a two-year cycle. A Women's Championship, following the same cycle and venues as the men's, was established at Debrecen in 1992. Championship format 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 men's teams and one section for the women's teams, considered as separate competitions. At Gothenburg in 2005, the men's competition