Giles, Donald
Current rating: 1444
| Grand Prix Richmond 2019 (ELD standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 122 | Fischer, Daniel (1481) | Lost 0-2 | -171436 |
| 2standard | 147 | Gauthier, Brendan (1609) | Lost 1-2 | -151421 |
| 3standard | 261 | Miller, Zachary (1378) | Won 2-0 | +171438 |
| 4standard | 215 | Frabotta, Derick (1542) | Won 2-0 | +201458 |
| 5standard | 168 | Liao, Po-Tao Alex (1473) | Won 2-0 | +181476 |
| 6standard | 179 | Bridges, Yusef (1528) | Lost 1-2 | -171459 |
| 7standard | 159 | Rightmyer, Rory (1609) | Lost 0-2 | -151444 |
| top | average opponent: 1517record: 3-4 | new rating: 1444 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 246 | Ngyuen, Victor (1500) | Won 2-1 | +191483 |
| 2modern | 124 | Cobert, Michael (1405) | Lost 1-2 | -201463 |
| 3modern | 254 | Remelt, Shane (1722) | Won 2-1 | +231486 |
| 4modern | 287 | Anciaux, Matthew (1537) | Won 2-1 | +191505 |
| 5modern | 225 | Zhou, Sean (1564) | Lost 1-2 | -171488 |
| 6modern | 350 | Kalla, Brandon (1519) | Lost 1-2 | -181470 |
| 7modern | 305 | Spears, Robert (1505) | Lost 0-2 | -171453 |
| top | average opponent: 1536record: 3-4 | new rating: 1453 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 993 | Yelton, Andrew (1444) | Draw 1-1 | -11499 |
| 2sealed | 1070 | Rhodes, Marc (1556) | Lost 1-2 | -171482 |
| 3sealed | 1073 | Trale, Mitch (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1494record: 0-2-1 | new rating: 1464 | ||