Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Tournament Performance Rating Calculator

Calculates your chess tournament performance rating from your score and opponents' ratings. Use it after a tournament to see the rating level at which you effectively played.

Average Opponent Rating (ELO)

Score Percentage (%)

Fill in the required fields to see your result.

Chess

Chess Tournament Tiebreak Calculator

Computes Buchholz, Sonneborn-Berger, and Median tiebreak scores when players finish a chess tournament on equal points. Use it to determine final standings after a Swiss or round-robin event.

Opponent Scores (comma separated)

Game Results (1=win, 0.5=draw, 0=loss)

Tiebreak Method

Fill in the required fields to see your result.

Key differences

	Tournament Performance Rating Calculator	Chess Tournament Tiebreak Calculator
Category	Chess	Chess
Inputs required	2	3
Result	Performance Rating (ELO)	Tiebreak Score (points)
What it does	Calculates your chess tournament performance rating from your score and opponents' ratings. Use it after a tournament to see the rating level at which you effectively played.	Computes Buchholz, Sonneborn-Berger, and Median tiebreak scores when players finish a chess tournament on equal points. Use it to determine final standings after a Swiss or round-robin event.