Understanding DWZ
How your DWZ comes about and why it changes after a tournament — explained briefly, with the rule behind it and the same numbers as in the forecast.
- How the DWZ is calculatedThe formula step by step, with a worked example
- The K-factor (development coefficient)Why your rating moves faster or slower
- Tournament performance and special ratingWhen an opponent counts with their performance
- Initial DWZ, unaffiliated players and foreign ratingsWho gets a first DWZ, and how
- How accurate is the forecast?Our forecasts compared with the official evaluations
- DWZ and FIDE Elo comparedAggregates from the public DSB list, no converter