Harbor, Andrew
Current rating: 1369
Record: 3-11
| Grand Prix Austin 2020 (modern) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 160 | Ewing, Christopher (1388) | Won 2-0 | +171429 |
| 2modern | 78 | Eckelmann, Bradley (1554) | Lost 1-2 | -151414 |
| 3modern | 196 | Cook, Samuel (1786) | Lost 1-2 | -121402 |
| 4modern | 288 | Cook, Cody (1434) | Lost 0-2 | -171385 |
| 5modern | 335 | Juline, Noah (1434) | Lost 0-2 | -171368 |
| 6modern | 279 | Mailloux, Jess (1358) | Won 2-0 | +171385 |
| 7modern | 217 | Chen, Cameron (1486) | Lost 0-2 | -161369 |
| average opponent: 1491record: 2-5 | new rating: 1369 | |||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 421 | Webb, Zachary (1642) | Lost 0-2 | -151485 |
| 2modern | 377 | Tibay, Lance (1481) | Lost 1-2 | -181467 |
| 3modern | 534 | Howell, Jason (1463) | Won 2-0 | +171484 |
| 4modern | 446 | Cornell, Anthony (1482) | Lost 0-2 | -181466 |
| 5modern | 484 | Ellis, James (1434) | Lost 1-2 | -181448 |
| 6modern | 460 | Greenwell, Joseph (1447) | Lost 1-2 | -181430 |
| 7modern | 363 | Linoski, Matthew (1432) | Lost 0-2 | -181412 |
| average opponent: 1483record: 1-6 | new rating: 1412 | |||