Erwin, Kenneth
Current rating: 1413
Record: 2-7
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1531 | Norgalis, James (1500) | Won 2-0 | +191465 |
| 2legacy | 1606 | Kent, David (1537) | Lost 1-2 | -171448 |
| 3legacy | 1932 | Fitzpatrick, Ralph (1486) | Lost 0-2 | -171431 |
| 4legacy | 1982 | Lam, Wai (1463) | Lost 0-2 | -181413 |
| average opponent: 1497record: 1-3 | new rating: 1413 | |||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 354 | Allen, James C (1570) | Won 2-1 | +191519 |
| 2legacy | 26 | Lu, Hsiu-Chi (1482) | Lost 1-2 | -181501 |
| 3legacy | 228 | Wang, Zixi (1499) | Lost 1-2 | -181483 |
| 4legacy | 615 | Kendall, Brandon (1484) | Lost 0-2 | -181465 |
| 5legacy | 218 | Linder, Matthew (1407) | Lost 1-2 | -191446 |
| average opponent: 1488record: 1-4 | new rating: 1446 | |||