Izumoto, Edward
Current rating: 1449
Record: 4-7
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 447 | Zhang, Tony (1500) | Won 2-1 | +191464 |
| 2sealed | 59 | Wayman, Eric (1518) | Won 2-1 | +191483 |
| 3sealed | 140 | Hertz, Michael (1494) | Lost 0-2 | -181465 |
| 4sealed | 228 | Frentz, Michael (1519) | Won 2-1 | +191484 |
| 5sealed | 131 | Gabel, Austin (1504) | Lost 0-2 | -181466 |
| 6sealed | 293 | Aull, Katherine (1510) | Lost 1-2 | -171449 |
| average opponent: 1508record: 3-3 | new rating: 1449 | |||
| Grand Prix Oakland 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 126 | Orozco, Roberto (1463) | Lost 1-2 | -191481 |
| 2extended | 257 | McWilliams, Nathan (1429) | Won 2-0 | +171498 |
| 3extended | 227 | Buscaino, Anthony (1500) | Lost 1-2 | -181480 |
| 4extended | 272 | Sadd, Harrison (1503) | Lost 0-2 | -171463 |
| 5extended | 293 | Fukushima, Shungo (1454) | Lost 1-2 | -181445 |
| average opponent: 1470record: 1-4 | new rating: 1445 | |||