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Tournaments of the club
  Tournaments


Players can enter tournaments organized by the club. To protect serious players, new members cannot enter tournaments immediately after their registration. 5 rated games need to be finished to be considered as a serious player and to be able to enter tournaments. Normally finished games are those that end in checkmate, stalemate, a draw agreement, a valid draw claim, or resignation. Friendly, deleted and time forfeited games don't count into this value.

When a player enters for a tournament, those of their games which belong to already entered players are started. Their other games in that tournament are waiting until the corresponding player enters.

When a tournament fills up, another tournament is started automatically with the same parameters. This ensures that in each rating class, in each (future) types there is always a tournament which is open for entrants.

Players can enter for more tournaments until they have enough free game slots. This is 16 initially and raises by 2 with each normally finished games until 100.

Players can play other games simultaneously that are started by challenges or pairing, until the above criteria are met.

Each won game is worth 1 point, a draw 0.5, a lost 0. The winner of a tournament is the player who collects the most points. In the case of a tie, the Sonneborg-Berger formula decides the winner. When the last game finishes in a tournament, the entrants get result announcement and the tournament closes.

All tournaments are time controlled. Now all of them run in 10/30, so 10 moves must be taken in 30 days. The ceiling is 40 days. This means all their games run in that time control. Later another tournaments may come with either faster (e.g. 5+1) or slower (e.g. 10/50) time controls. External organizations' tournaments can run under different time control.

The vacation policy applies to tournament games. Players can announce their planned vacations, or when they are in trouble, the automatic vacation protects their games from timeout.

Currently, the following types of tournaments run:
  • Class based 7 player single round-robin: These tournaments are class based, this ensures that players can play others around the same rating. These classes are shown in the table on the right. In this tournament 7 players play one game with each other entrants in alternating color. This means the maximum number of simultaneous games is 6 for one player.
  • Multiclass 9 player single round-robin: Players of three neighbor classes can enter for the same tournamets. This ensures, players can play others with higher rating difference.
  • Multiclass 6 player double round-robin, Fischer Random: Three neighbor classes belong to these tournaments, but here all players play two games with each opponent, once as black, once as right. The games run under the rules of the Fischer Random variant. A tournament like this means 10 simultaneous games for each entrants.
  • Invitation based 15 player single round-robin: This is almost the same as above, external organizations use this type with 15 entrants. Players according to their previous results are allowed to enter for these tournaments.
Ratings are recalculated after each finished game immediately by the chess server. This is the standard elo rating calculation implemented by the Glicko method. Except those games where the club's Regulations don't apply. These game are not rated by the club.

There is no prize in club level tournaments, but they give good play opportunity and appreciation for the winners.


 
Scoring

In competitive chess, a player scores one point for a win, a half-point for a draw, and zero points for a loss. So the rankings at the end of a tournament are easy to calculate by simple addition.

In the early 19th century, when modern competitive play began, draws were ignored, and a match was won by the player who first scored an agreed number of wins, or who had the most wins after an agreed number of games. With the advent of all-play-all tournaments (the first international all-play-all was held in London in 1851) draws became more important. At first, rules were devised to discourage draws, which were very unpopular with the chess public, but gradually these were dropped and draws were counted as a half-point.
 
Analysis

Tournament games are public, so every player of the club can watch them.
It's possible to attach analysis to these games, that other players see. Analysis can help us to recognize mistakes and good moves, the strategy in the games, they can help us to learn.
 
shamskhan wrote this notice on Jun 14, 2008:

I m a very strong player n m seeking 2 play with the strongest opponents


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