Null, Edmund
Current rating: 1506
Record: 3-3
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 232 | Stittsworth, Brian (1530) | Won 2-1 | +191519 |
| 2standard | 336 | Boer, Michael (1518) | Won 2-0 | +181537 |
| 3standard | 289 | Williams, David A (1868) | Won 2-1 | +231560 |
| 4standard | 65 | Dickerson, Michael (1481) | Lost 0-2 | -191541 |
| 5standard | 232 | Jafari, Keyan (1592) | Lost 1-2 | -171524 |
| 6standard | 304 | Head, Ron (1518) | Lost 0-2 | -181506 |
| average opponent: 1584record: 3-3 | new rating: 1506 | |||