The Buchholz tiebreak is a scoring system used in chess tournaments to determine the final rankings of players with the same number of points at the end of the event. It is named after its inventor, Swiss chess player Bruno Buchholz.
Explanation: In chess tournaments, players compete against each other and earn points based on the results of their games (e.g., 1 point for a win, 0.5 points for a draw, and 0 points for a loss). At the end of the tournament, some players might have the same total points, leading to a tie for their final ranking.
The Buchholz tiebreak calculates the performance of each player’s opponents throughout the tournament. It sums up the points scored by all the opponents a player faced during the event. The player with the highest sum of their opponents’ points is considered to have a higher tiebreak score.
Here’s how the Buchholz tiebreak is calculated:
- For each player, sum up the total points earned by all their opponents.
- The player with the highest sum of their opponents’ points gets a higher Buchholz score.
- If there is still a tie after using the Buchholz tiebreak, additional tiebreak methods like Sonneborn-Berger or the performance rating may be used.
In essence, the Buchholz tiebreak rewards players who have faced stronger opponents during the tournament, as defeating strong opponents should be more valuable than defeating weaker ones. It is a common tiebreak method used in various chess competitions to determine the final rankings and distribution of prizes.