Serifsoy, Atesh
Current rating: 1537
Record: 5-3
| Grand Prix Portland 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 521 | Peachey, Benjamin (1507) | Won 2-0 | +181518 |
| 2modern | 424 | Kendall, Zachary (1534) | Lost 1-2 | -181500 |
| 3modern | 683 | Wysocki, Andrew (1492) | Won 2-1 | +181518 |
| 4modern | 514 | Webber, Robin (1503) | Won 2-1 | +181536 |
| 5modern | 253 | Padgett, Wade (1536) | Lost 1-2 | -181518 |
| 6modern | 247 | Williams, Jonas (1524) | Won 2-0 | +181536 |
| 7modern | 271 | Stein, Josh (1550) | Won 2-0 | +181554 |
| 8modern | 162 | Fernandez, Fernando (1589) | Lost 0-2 | -171537 |
| average opponent: 1529record: 5-3 | new rating: 1537 | |||