Barrett, Jeffrey R
Current rating: 1417
Record: 3-8
| Grand Prix Charlotte 2015 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 328 | Bayog, Francis (1500) | Lost 0-2 | -171448 |
| 2modern | 537 | Chandley, Dennis (1503) | Won 2-0 | +191467 |
| 3modern | 577 | Stigall, Matthew B (1496) | Won 2-1 | +181485 |
| 4modern | 425 | Starkey, Lon (1336) | Lost 0-2 | -201465 |
| 5modern | 522 | Gardner, Dylan (1502) | Lost 1-2 | -181447 |
| 6modern | 528 | Delano, Jonathan (1755) | Lost 0-2 | -121435 |
| 7modern | 240 | Bowen, Ken (1405) | Lost 0-2 | -191416 |
| 8modern | 412 | Bounds, Stewart J (1444) | Lost 0-2 | -171399 |
| 9modern | 376 | Tramper, Sara (1400) | Won 2-0 | +181417 |
| average opponent: 1482record: 3-6 | new rating: 1417 | |||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 282 | Rosen, Richard (1559) | Lost 0-2 | -171483 |
| 2standard | 438 | Gaither, Owen C (1481) | Lost 1-2 | -181465 |
| average opponent: 1520record: 0-2 | new rating: 1465 | |||