Eby, Barry
Current rating: 1437
Record: 6-10-1
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 278 | Lunsford, Robert (1467) | Lost 1-2 | -181450 |
| 2sealed | 375 | Johnson, David (1515) | Won 0-0 | +191469 |
| 3sealed | 267 | Broderick, Benjamin (1594) | Lost 0-2 | -161453 |
| 4sealed | 181 | Bayrak, Iskender (1540) | Lost 1-2 | -161437 |
| top | average opponent: 1529record: 1-3 | new rating: 1437 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 235 | Braun, Noah (1435) | Won 2-0 | +171503 |
| 2standard | 236 | Long, Dan (1518) | Lost 1-2 | -181485 |
| 3standard | 591 | Rasmussen, Nicholas (1477) | Lost 0-2 | -181467 |
| 4standard | 680 | Tucker, Richard (1480) | Won 2-1 | +181485 |
| 5standard | 442 | Schemmel, Timothy (1506) | Lost 0-2 | -171468 |
| top | average opponent: 1483record: 2-3 | new rating: 1468 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1107 | Rumore, Christopher (1500) | Draw 1-1 | 01482 |
| 2modern | 1370 | Clark, Dustin (1500) | Won 2-1 | +191501 |
| 3modern | 1265 | Crouse, Cara (1518) | Won 2-0 | +181519 |
| 4modern | 1144 | Sheppard, Bradley (1672) | Lost 0-2 | -151504 |
| 5modern | 1291 | Golab, Brian (1520) | Lost 1-2 | -181486 |
| top | average opponent: 1542record: 2-2-1 | new rating: 1486 | ||
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Fischer, Adam (1500) | Lost 0-0 | -181482 |
| 2sealed | 154 | Gottlieb, Mark (1482) | Lost 0-0 | -181464 |
| 3sealed | 172 | Cohe, Mackenzie (1464) | Won 0-0 | +181482 |
| top | average opponent: 1482record: 1-2 | new rating: 1482 | ||