The national rating system of the Turkish Chess Federation.
| # | Opponent Name | Opponent UKD | Game Result | H/L | Rating Change | GKD |
|---|---|---|---|---|---|---|
| ✓ |
This calculator processes the player and game data you enter according to UKD calculation principles and provides a preliminary calculation. Enter your current UKD score, opponent details, and game results to see the calculated score change. The official UKD score is finalised after tournament results are processed by the Turkish Chess Federation.
For players without a UKD score, the tool uses the results achieved against rated opponents and their scores to calculate a provisional performance value. This value helps indicate the player's likely starting level; the official first UKD score is determined by TSF in accordance with the applicable games and calculation procedure.
Expected Score:
New UKD:
Simplified coefficients used in this tool: K=40 for players who have not yet completed 30 games, K=20 for players rated below 2400, and K=10 for players rated 2400 and above.
Saved tournaments are stored only in this browser. Share links are saved on the server so others can view your result. My Shared Links only shows links created from this browser.
UKD rating change is determined using the player's current UKD, the opponent's UKD, the expected score, the actual game result, and the applicable calculation coefficient. Changes from valid games in a tournament are applied to the total UKD score.
This tool processes the entered player and game information according to UKD calculation rules and provides a preliminary estimate. The calculation is based on mathematical rules; however, the official UKD score is only finalized by the Turkish Chess Federation after tournament results are processed.
Yes. This UKD calculator is completely free and can be used without registration.
For players without a UKD rating, the tool calculates a temporary performance value using results against rated opponents and their scores. This value helps estimate the player's likely starting level; the official initial UKD score is determined by the TSF according to the applicable calculation procedure.
Official UKD ratings are updated by the Turkish Chess Federation after tournament results are processed. The update frequency depends on the tournament calendar and the federation's workflow.