Lollar, Robert s
Current rating: 1465
Record: 1-3-1
| Grand Prix Portland 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 155 | Mendoza, Paige (1500) | Won 2-0 | +181518 |
| 2modern | 81 | Freneau, Phil (1688) | Draw 1-1 | +31521 |
| 3modern | 143 | Hertz, Michael (1503) | Lost 1-2 | -181503 |
| 4modern | 319 | Herold, Chris (1431) | Lost 0-2 | -201483 |
| 5modern | 371 | Dunn, Cecilia (1484) | Lost 0-2 | -181465 |
| average opponent: 1521record: 1-3-1 | new rating: 1465 | |||