Deutsche Wertungszahl — the German chess rating system.
| # | Opponent Name | Opponent Rating | Game Result | Expected Score | Rating Change |
|---|---|---|---|---|---|
This tool provides a simplified estimate of DWZ calculations. The actual DWZ formula includes additional parameters such as age, game history, and acceleration factor. Results are approximate only.
If you don't have a DWZ value, the system can use estimated starting / performance value calculation logic based on rated opponents and match results. The official DWZ system may include additional parameters such as age, game history, and development coefficient. Therefore, results are approximate only.
Expected Score:
New Rating:
This tool uses simplified development coefficients: E=30 for newer players, E=15 for experienced players with 2400+ rating. The actual DWZ system calculates dynamic coefficients based on game history and age.
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.