Coxen, Tammy
Current rating: 1537
Record: 4-2-1
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 57 | Jespersen, Joe (1482) | Won 0-0 | +181518 |
| 2sealed | 50 | Liu, Jason (1500) | Draw 0-0 | -11517 |
| 3sealed | 88 | Warren, Lee (1518) | Won 0-0 | +181535 |
| 4sealed | 57 | Balandin, Alex (1535) | Lost 0-0 | -181517 |
| 5sealed | 105 | Pannell, Thomas (1501) | Won 0-0 | +181535 |
| 6sealed | 76 | Swan, Thomas (1541) | Won 0-0 | +181553 |
| 7sealed | 42 | Earley, Ben (1637) | Lost 0-0 | -161537 |
| average opponent: 1531record: 4-2-1 | new rating: 1537 | |||