Harold, Greg
Current rating: 1481
Record: 5-6-1
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 429 | Parangan, Ray (1500) | Lost 1-2 | -181481 |
| 2sealed | 464 | Najeeb, Aris (1483) | Draw 1-1 | 01481 |
| 3sealed | 622 | Staunton, Courtney (1482) | Won 2-1 | +181499 |
| 4sealed | 503 | Pladson, Stephen (1482) | Lost 0-2 | -181481 |
| 5sealed | 290 | Milano, Anthony (1482) | Won 2-0 | +181499 |
| 6sealed | 423 | Scott, David (1489) | Lost 0-2 | -181481 |
| average opponent: 1486record: 2-3-1 | new rating: 1481 | |||
| Grand Prix Portland 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 34 | Gidlof, Dylan (1500) | Won 2-1 | +181518 |
| 2modern | 184 | Chandler, Andrew (1482) | Won 2-0 | +171535 |
| 3modern | 48 | Hartshorn, Robin (1536) | Lost 1-2 | -181517 |
| 4modern | 191 | Reeve, Samuel (1519) | Won 2-0 | +181535 |
| 5modern | 225 | Aparicio, Keith (1497) | Lost 1-2 | -181517 |
| 6modern | 202 | Bustos, Marco Antonio (1556) | Lost 0-2 | -181499 |
| average opponent: 1515record: 3-3 | new rating: 1499 | |||