Chafa, Blake
Current rating: 1436
Record: 5-9
| Grand Prix Omaha 2017 (AKH standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 54 | Garner, Matt (1410) | Lost 0-2 | -191426 |
| 4standard | 164 | Jones, timithy (1518) | Won 2-1 | +201446 |
| 5standard | 172 | Perigo, Stephen (1591) | Won 2-0 | +201466 |
| 6standard | 52 | Dalgleish, Christopher (1485) | Lost 0-2 | -171449 |
| 7standard | 106 | Padilla, Hector (1547) | Won 2-0 | +191468 |
| 8standard | 44 | Mount, Brendan (1601) | Lost 1-2 | -151453 |
| 9standard | 148 | Ingram, Nickolas (1537) | Lost 1-2 | -171436 |
| average opponent: 1527record: 3-4 | new rating: 1436 | |||
| Grand Prix Omaha 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 62 | Sprague, Austin (1500) | Won 2-1 | +181518 |
| 2modern | 17 | Gunn, Philip (1584) | Lost 0-2 | -171501 |
| 3modern | 325 | Stremming, Kyl (1430) | Won 2-0 | +171518 |
| 4modern | 288 | Lemken, Matt (1439) | Lost 0-2 | -201498 |
| 5modern | 298 | Olson, Henry (1501) | Lost 1-2 | -171481 |
| 6modern | 338 | Mausbach, Nathan (1482) | Lost 0-2 | -181463 |
| 7modern | 330 | Boer, Richard (1469) | Lost 1-2 | -181445 |
| average opponent: 1487record: 2-5 | new rating: 1445 | |||