Bieber, Jay
Current rating: 1465
Record: 5-7
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 422 | Leahy, Nathan (1483) | Won 2-0 | +181502 |
| 2sealed | 236 | Seymour, Dustin (1558) | Lost 1-2 | -171485 |
| 3sealed | 425 | Bachicha, Lane (1408) | Won 2-0 | +171502 |
| 4sealed | 311 | Park, Junyoung (1562) | Won 2-0 | +191521 |
| 5sealed | 211 | Nuccio, John (1387) | Lost 0-2 | -211500 |
| 6sealed | 354 | Nelson, Colleen (1516) | Lost 0-2 | -171483 |
| 7sealed | 305 | Gluck, David (1510) | Lost 0-2 | -181465 |
| average opponent: 1489record: 3-4 | new rating: 1465 | |||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 321 | Ricca, Chase (1500) | Won 2-1 | +181518 |
| 2sealed | 278 | Hathaway, Miranda (1548) | Lost 0-2 | -171501 |
| 3sealed | 551 | Shimada, Aron (1621) | Lost 1-2 | -161485 |
| 4sealed | 697 | Bartusch, Julian (1481) | Won 2-0 | +181503 |
| 5sealed | 512 | Torres, Richard (1469) | Lost 1-2 | -191484 |
| average opponent: 1524record: 2-3 | new rating: 1484 | |||