Rotan, Bobby
Current rating: 1474
Record: 5-7
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 12 | Garcia, Vivian (1500) | Won 2-1 | +181525 |
| 2modern | 130 | Hinojosa, Rolaund (1702) | Lost 1-2 | -151510 |
| 3modern | 426 | Marino, Nicholas (1511) | Lost 1-2 | -181492 |
| 4modern | 537 | Cicardo, Jenna (1481) | Lost 1-2 | -181474 |
| average opponent: 1548record: 1-3 | new rating: 1474 | |||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 146 | Wise, Brian (1500) | Won 2-1 | +181518 |
| 2modern | 281 | Murr, Patrick (1512) | Won 2-0 | +181536 |
| 3modern | 203 | Horn, Kyle (1534) | Lost 1-2 | -181518 |
| 4modern | 256 | Standridge, Travis (1520) | Won 2-0 | +181536 |
| 5modern | 252 | Forsyth, John (1811) | Lost 1-2 | -131523 |
| 6modern | 297 | Daniel, David (1769) | Lost 1-2 | -141509 |
| 7modern | 339 | Deiterman, Scott (1512) | Won 2-0 | +181527 |
| 8modern | 361 | Kendall, Zachary (1425) | Lost 1-2 | -201507 |
| average opponent: 1573record: 4-4 | new rating: 1507 | |||