Crabtree, Katherine
Current rating: 1466
Record: 1-3
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 113 | Kemple, Christopher (1500) | Lost 0-2 | -181482 |
| 2standard | 367 | Henley, Christopher (1482) | Won 2-1 | +181500 |
| 3standard | 226 | Bongiovanni, Mauro (1598) | Lost 0-2 | -161484 |
| 4standard | 311 | Kolongowski, Matthew (1482) | Lost 1-2 | -181466 |
| average opponent: 1515record: 1-3 | new rating: 1466 | |||