Clarke, Donnie
Current rating: 1469
Record: 5-7-2
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 252 | Crump, Josh (1500) | Draw 1-1 | 01466 |
| 2standard | 445 | Morris, Philip (1502) | Won 2-1 | +191485 |
| 3standard | 358 | Hale, William (1543) | Draw 1-1 | +11486 |
| 4standard | 545 | Maker, Earney (1419) | Won 2-1 | +171503 |
| 5standard | 364 | Ho, William (1589) | Lost 1-2 | -171486 |
| 6standard | 510 | Thompson, Brandon (1521) | Lost 1-2 | -171469 |
| average opponent: 1512record: 2-2-2 | new rating: 1469 | |||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 325 | Bruneault, Julian (1500) | Won 2-1 | +181518 |
| 2standard | 53 | Cieszinski, Michael (1630) | Lost 0-2 | -161502 |
| 3standard | 393 | Wingard, Michael (1526) | Won 2-1 | +181520 |
| 4standard | 183 | Brown, Nikilas (1518) | Lost 0-2 | -181502 |
| 5standard | 262 | Roberts, Christopher (1498) | Won 2-0 | +181520 |
| 6standard | 251 | Wolf, Douglas (1491) | Lost 0-2 | -181502 |
| 7standard | 239 | Aschenbeck, Skyler (1507) | Lost 0-2 | -181484 |
| 8standard | 231 | Ford, John (1465) | Lost 0-2 | -181466 |
| average opponent: 1517record: 3-5 | new rating: 1466 | |||