Kratzer, Colby
Current rating: 1465
Record: 2-4
| Grand Prix Hartford 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 105 | Condemarin, Steven (1537) | Lost 0-2 | -171483 |
| 2modern | 569 | Calcagni, Deane (1604) | Lost 1-2 | -161467 |
| 3modern | 342 | Romanczak, Ayron (1465) | Won 2-0 | +181485 |
| 4modern | 760 | Perrotta, Brendan (1458) | Lost 0-2 | -191466 |
| 5modern | 757 | Roy, Jeremiah (1472) | Won 2-0 | +181484 |
| 6modern | 590 | Sarkis, Bailey (1395) | Lost 1-2 | -191465 |
| average opponent: 1489record: 2-4 | new rating: 1465 | |||