JSPM

Sonneborn-Berger tiebreak for chess tournaments following FIDE rules. Zero dependencies.

Direct encounter tiebreak for chess tournaments following FIDE rules. Zero dependencies.

Buchholz tiebreak system for chess tournaments following FIDE rules. Includes Buchholz, Cut-1, Cut-2, Median-1, Median-2, Average of Opponents' Buchholz, and Fore Buchholz. Zero dependencies.

Progressive score tiebreak for chess tournaments following FIDE rules. Zero dependencies.

Performance rating tiebreaks for chess tournaments following FIDE rules. Includes Tournament Performance Rating, Perfect Tournament Performance, and their opponent averages. Zero dependencies.

Average Rating of Opponents tiebreak for chess tournaments following FIDE rules. Zero dependencies.

Koya tiebreak system for round-robin chess tournaments following FIDE rules. Zero dependencies.

Swiss chess tournament pairings and standings following FIDE rules. Implements Dutch, Dubov, and Burstein systems with Buchholz, Sonneborn-Berger, and progressive tiebreaks. Zero dependencies.

Win-counting tiebreaks for chess tournaments following FIDE rules. Includes Number of Wins, Games Won, Games with Black, Games Won with Black, Rounds Elected to Play, and Standard Points. Zero dependencies.

Calculation of chess tournament tiebreaks compliant with FIDE regulations

Tiebreak Astro components, styles, helpers and more