Jonas, Ben
Current rating: 1410
Record: 2-7
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 669 | Thompson, Lowell (1468) | Lost 1-2 | -191481 |
| 2legacy | 612 | Baker, Michael (1585) | Lost 0-2 | -161465 |
| 3legacy | 894 | Gordon, Zakeel (1464) | Lost 0-2 | -181447 |
| 4legacy | 905 | Sell, Bethany (1446) | Lost 0-2 | -181429 |
| 5legacy | 822 | Miranda, Benjamin (1451) | Won 2-0 | +191448 |
| 6legacy | 708 | Nelson, George (1362) | Won 2-0 | +161464 |
| 7legacy | 554 | Pisello Duga, Jacob (1468) | Lost 1-2 | -181446 |
| 8legacy | 449 | Daley, Jackson (1446) | Lost 0-2 | -181428 |
| 9legacy | 360 | Milkowski, Stanislaw (1429) | Lost 0-2 | -181410 |
| average opponent: 1458record: 2-7 | new rating: 1410 | |||