Rook, Alex
Current rating: 1567
Record: 11-8
| Grand Prix Columbus 2019 (modern) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 148 | Burkholder, Abby (1500) | Lost 0-2 | -181531 |
| 2modern | 156 | Houchen, Seth (1496) | Lost 1-2 | -191512 |
| 3modern | 308 | Reynolds, Christopher (1463) | Won 2-1 | +171529 |
| 4modern | 280 | Babcock, Jason (1468) | Won 2-1 | +171546 |
| 5modern | 179 | Yang, Duo (1439) | Won 2-1 | +161562 |
| 6modern | 147 | Thompson, Lucas (1526) | Won 2-1 | +171579 |
| 7modern | 72 | Kristoff, Daniel (1905) | Lost 0-2 | -121567 |
| average opponent: 1543record: 4-3 | new rating: 1567 | |||
| Grand Prix Hartford 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 88 | Green, Frank (1427) | Won 2-0 | +171517 |
| 2modern | 188 | Gressinger, Kyle (1480) | Won 2-0 | +171534 |
| 3modern | 187 | Snelson, Stephen (1617) | Won 2-1 | +201554 |
| 4modern | 38 | Dunn, Ryan (1520) | Won 2-0 | +171571 |
| 5modern | 80 | Landona, Adam (1577) | Lost 1-2 | -181553 |
| 6modern | 166 | Kiihne, Zachary (1865) | Won 2-1 | +241577 |
| 7modern | 35 | Gellis, Dylan (1607) | Won 2-0 | +181595 |
| 8modern | 72 | Neveu, Pierre Antoine (1747) | Lost 1-2 | -151580 |
| 9modern | 343 | Pelletier, Lenny (1573) | Won 2-0 | +181598 |
| 10modern | 250 | Handy, Carmen (1615) | Lost 0-2 | -181580 |
| 11modern | 328 | VanDerMaelen, Joseph (1584) | Lost 1-2 | -181562 |
| 12modern | 313 | Vorel, Andrew (1863) | Lost 0-2 | -131549 |
| average opponent: 1623record: 7-5 | new rating: 1549 | |||