KatyPerry Summary Rating history Match history Adjustments
This period started on July 28, 2011 and ended on Aug. 10, 2011.
| Old rtg. | Opposition | Expected score | Actual score | Performance | New rtg. | Adjustment | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| vP | 988 | 1.0 | – | 1.0 | 0.0 | – | 2.0 | –∞ | 973 | –27 | |
| vT | 973 | –27 | |||||||||
| vZ | 973 | –27 | |||||||||
| All | 988 | 1.0 | – | 1.0 | 0.0 | – | 2.0 | N/A | 973 | –27 | |
