Greenwell, Joseph
Current rating: 1500
Record: 8-8
| Grand Prix Austin 2020 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 137 | Breithaupt, Jacob (1500) | Won 2-0 | +181517 |
| 2modern | 43 | Leverone, Ryan (1538) | Lost 1-2 | -181499 |
| 3modern | 318 | Grimley, Eli (1500) | Won 2-1 | +181517 |
| 4modern | 167 | Roether, Oscar (1517) | Lost 0-2 | -181499 |
| 5modern | 258 | Hurley, Nate (1506) | Won 2-0 | +181517 |
| 6modern | 125 | Dix, James (1516) | Lost 1-2 | -181499 |
| 7modern | 175 | Rowland, Matt (1496) | Lost 0-2 | -181481 |
| 8modern | 159 | Williams, Gabriel (1505) | Won 2-0 | +191500 |
| average opponent: 1510record: 4-4 | new rating: 1500 | |||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 350 | Parker, Drew (1500) | Lost 1-2 | -181482 |
| 2modern | 393 | Hoppe, Chase (1446) | Lost 0-2 | -191463 |
| 3modern | 522 | Kirkbride, Ryan (1464) | Won 2-0 | +181481 |
| 4modern | 489 | May, Taylor (1553) | Lost 1-2 | -161465 |
| 5modern | 496 | DeCroix-Herbert, Ryan (1460) | Lost 1-2 | -181447 |
| 6modern | 460 | Harbor, Andrew (1448) | Won 2-1 | +181465 |
| 7modern | 358 | Moore, Austin (1463) | Won 2-1 | +181483 |
| 8modern | 248 | Freeman, David (1392) | Won 2-0 | +161499 |
| average opponent: 1466record: 4-4 | new rating: 1499 | |||