Mraz, Blake
Current rating: 1359
Record: 0-8
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | McDow, Chris (1500) | Lost 1-2 | -171412 |
| 2sealed | 337 | Marino, Nicholas (1486) | Lost 0-2 | -161396 |
| 3sealed | 489 | Steht Jr., Lee (1312) | Lost 1-2 | -201376 |
| 4sealed | 477 | Chandler, Chris (1427) | Lost 0-2 | -171359 |
| average opponent: 1431record: 0-4 | new rating: 1359 | |||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 106 | Mackenzie, Martin (1499) | Lost 0-2 | -181482 |
| 2standard | 540 | Montebello, Nicholas (1462) | Lost 0-2 | -181464 |
| 3standard | 826 | Potter, Aaron (1546) | Lost 0-2 | -171447 |
| 4standard | 834 | Forkner, Justin (1445) | Lost 0-2 | -181429 |
| average opponent: 1488record: 0-4 | new rating: 1429 | |||