Tie-Break regulations

aicf-newThe Central Council which met on 03rd March, 2013 resolved to implement the following tie – break rules for different formats of National Championships

Tie-breaks for Different Formats of National Championships

  1. Round Robin Championships

Players, organisers, arbiters and officials may be aware that the format for the National Premier Chess Championships has been changed by All India Chess Federation (2013 onwards) from Swiss to Round Robin format.
The tie-breaks applied for Swiss system can not be applied to RR, as all the tied players will have common opponents. Hence, it has been decided in the Central Council meeting of the All India Chess Federation, to implement the following tie-breaks for individual Round Robin national championships. They have to be applied in the order given below:

1. Direct Encounter
2. Sonneborn Berger (sum of scores of opponents whom a player has defeated plus half the sum of the scores of the opponents with whom the player has drawn)
3. Number of victories
3. Number of wins with Black

2. Swiss System Championships

For all national championships, played under Swiss system, the following tie-breaks have to be applied in the order mentioned:

1. Buchholz Cut 1
2. Buchholz Cut 2
3. Sonneborn Berger
4. Buchholz Median

For unplayed games and byes, it has to be assumed that the player had played against a virtual opponent in that round as per the rules prescribed in FIDE Handbook – C06 – FIDE Tournament Rules – F. Handling Unplayed Games for Calculation of Buchholz (Congress 2009) (http://www.fide.com/fide/handbook.html?id=20&view=category) 

  1. 3.      Team Championships

For national team events (National Team and National Cities Championships etc.), pairing has to be done based on match points. The order of tie-breaks to be used is:

1. Game points scored by the team in the tournament
2. Sonneborn Berger (sum of the products of the scores (game or match scores) made by each opposing team and the score (game or match scores) made against that team)
3. Sum of the match points of the opponent teams
4. Sum of the game points of the opponent team