Coles, Josh
Current rating: 1451
Record: 5-8
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 219 | Callenback, Avery (1465) | Lost 1-2 | -181428 |
| 2block | 257 | Patterson, Niki (1482) | Lost 1-2 | -171411 |
| 3block | 357 | Bandera, Rico (1464) | Lost 1-2 | -171394 |
| 4block | 431 | Allen, Michael (1368) | Lost 0-2 | -181376 |
| 5block | 417 | Diaz, Ryan (1430) | Won 2-0 | +191395 |
| 6block | 365 | Bauer, Jonathan (1428) | Won 2-0 | +181413 |
| 7block | 295 | Davidian, Toddeh (1464) | Won 2-0 | +191432 |
| 8block | 242 | Solis, Oscar (1482) | Won 2-0 | +191451 |
| average opponent: 1448record: 4-4 | new rating: 1451 | |||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Miller, Zach (1500) | Lost 0-2 | -181482 |
| 2sealed | 140 | Eng, Alex K (1482) | Won 2-0 | +181500 |
| 3sealed | 92 | Saunders, Timothy S (1500) | Lost 0-2 | -181482 |
| 4sealed | 189 | Sandstrom, Vaughn (1484) | Lost 0-2 | -181464 |
| 5sealed | 222 | Montevilla, Wilson (1463) | Lost 1-2 | -181446 |
| average opponent: 1486record: 1-4 | new rating: 1446 | |||