In Chess, Scrabble, and many other individual games, many tournaments over one or more years contribute to a player's ranking. However, many team sports involve teams in only one major tournament per year. In European sport, including football, this constitutes the sole ranking for the following season; the top teams from each division of the league are promoted to a higher division, while the bottom teams from a higher division are relegated to a lower one. This promotion and relegation occurs mainly in league tournaments, but also features in Davis Cup and Fed Cup tennis:  The hierarchy of divisions may be linear, or tree-like, as with the English football league pyramid. In contract bridge a "tournament" is a tournament in the first sense above, composed of multiple "events", which are tournaments in the second sense. Some events may be single-elimination, double-elimination, or Swiss style. However, "Pair events" are the most widespread. In these events, a number of deals (or "boards") are each played several times by different players. For each such board the score achieved by each North-South (NS) pair is then measured against all the other NS pairs playing the same board. Thus pairs are rewarded for playing the same cards better than others have played them. There is a predetermined schedule of fixtures depending on the number of pairs and boards to be played, to ensure a good mix of opponents, and that no pair plays the same board or the same opponents twice (see duplicate bridge movements). In poker tournaments, as players are eliminated, the number of tables is gradually reduced, with the remaining players redistributed among the remaining tables. Play continues until one player has won all of the chips in play. Finishing order is determined by the order in which players are eliminated: last player remaining gets 1st place, last player eliminated gets 2nd, previous player eliminated gets 3rd, etc. In a "shootout" tournament, players do not change tables until every table has been reduced to one player. While tournament structures attempt to provide an objective format for determining the best competitor in a game or sport, other methods exist. Tournaments of value have come to legitimise what are often seen as marginalised practices that sit outside of popular culture. For example, the Grammy Award ceremony helped to shape country music as a viable commercial field, and Booker Prize ceremony helped to create new fields of literary fiction. Tournaments of value go beyond game show and simple contests as the journey itself emerges as being more significant, bestowing status and prestige on the winner and, in the process, shaping industry practices and acting as institutional mechanisms for shaping social fields.