Mandel, Jacob
Current rating: 1511
Record: 3-3
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Gonzalez, Danielle (1500) | Won 2-0 | +181518 |
| 2sealed | 253 | Becker, Mark (1519) | Lost 0-2 | -181500 |
| 3sealed | 473 | Davis, Michael (1530) | Won 2-0 | +191519 |
| 4sealed | 281 | Humphries, Mickey (1599) | Lost 0-2 | -171502 |
| 5sealed | 490 | Neoh, Cheng (1467) | Won 2-0 | +171519 |
| 6sealed | 279 | Blohon, Lukas (2074) | Lost 0-2 | -81511 |
| average opponent: 1615record: 3-3 | new rating: 1511 | |||