Bays, Jonathan
Current rating: 1512
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 166 | Niosi, Justin (1585) | Lost 0-2 | -161448 |
| 2modern | 1071 | Etters, Tyler (1538) | Won 2-0 | +201468 |
| 3modern | 986 | Marinkovich, George (1539) | Won 2-1 | +191487 |
| 4modern | 572 | Kent, David (1650) | Lost 1-2 | -151472 |
| 5modern | 661 | Fitchko, William (1617) | Won 2-1 | +201492 |
| 6modern | 511 | Egolf, Michael (1612) | Won 2-1 | +211513 |
| 7modern | 390 | Minuti, Joseph (1492) | Won 2-1 | +171530 |
| 8modern | 246 | Gavigan, Cody (1541) | Lost 0-2 | -181512 |
| top | average opponent: 1572record: 5-3 | new rating: 1512 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 225 | Bellamy, Duane (1399) | Won 2-0 | +171496 |
| 2sealed | 365 | Deluca, Vincenzo (1518) | Lost 0-2 | -181478 |
| 3sealed | 605 | Frebrowski, Daniel (1524) | Won 2-1 | +191497 |
| 4sealed | 547 | Cyr, Shawn (1647) | Lost 0-2 | -151482 |
| 5sealed | 451 | Krot, Hunter (1478) | Lost 1-2 | -181464 |
| top | average opponent: 1513record: 2-3 | new rating: 1464 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 404 | Chukwuma, Benedict (1500) | Won 2-0 | +181518 |
| 2sealed | 186 | Jarman, Jimmy (1419) | Lost 1-2 | -201498 |
| 3sealed | 332 | Weissman, Tim (1500) | Lost 0-2 | -181480 |
| 4sealed | 548 | Funk, Joshua R (1429) | Won 2-1 | +171497 |
| 5sealed | 434 | Yetter, Adam (1500) | Lost 0-2 | -181479 |
| top | average opponent: 1470record: 2-3 | new rating: 1479 | ||