Brooks, JoVanni
Current rating: 1284
Record: 1-14
| Grand Prix Portland 2018 (modern) | starting rating: 1370 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 299 | Showell, Nathan (1546) | Lost 1-2 | -151355 |
| 2modern | 457 | Slater, John (1575) | Lost 0-2 | -141341 |
| 3modern | 796 | Sundquist, Forrest (1463) | Lost 0-2 | -161325 |
| 4modern | 806 | Erickson, Matthew (1628) | Lost 1-2 | -121313 |
| 6modern | 631 | Johnston, Brett (1707) | Lost 0-2 | -111302 |
| 7modern | 532 | Happold, Nick (1350) | Lost 0-2 | -181284 |
| average opponent: 1545record: 0-6 | new rating: 1284 | |||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 169 | Rickards, Steven (1339) | Lost 0-2 | -211479 |
| 2standard | 643 | Ediger, Jackson (1484) | Lost 0-2 | -181461 |
| 3standard | 675 | Edwards-Silva, Malcolm (1464) | Lost 0-2 | -181443 |
| 4standard | 764 | Castro-Wilson, Salvador (1451) | Lost 0-2 | -181425 |
| 5standard | 751 | Albee, Cameron (1334) | Won 2-0 | +171442 |
| 6standard | 686 | Hierholzer, Coty (1443) | Lost 1-2 | -181424 |
| 7standard | 604 | Kephart, Joseph (1428) | Lost 0-2 | -181406 |
| 8standard | 511 | Michaels, Lev (1413) | Lost 0-2 | -181388 |
| 9standard | 426 | Hartman, Norman (1392) | Lost 0-2 | -181370 |
| average opponent: 1416record: 1-8 | new rating: 1370 | |||