Player Rating History


Ivo Tonkes
Country:         Netherlands       Club:        Gron
Rank:            3k (1800)         Rating:      1594 (5k)
Games:           502               Tournaments: 112 
Last Appearance: 2017-06-24

The red line is the Revised rating history.
The blue line is the Declared grade history.
The pink line is the EGD rating history.

The rating axis is scaled according to the beta function (see the About page), which can be viewed as a measure of "skill".

Updated until 2017-08-19