Delvalle, Joseph
Current rating: 1525
Record: 9-8
| Grand Prix Hartford 2018 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 54 | McGrath, Colin (1571) | Lost 0-2 | -171504 |
| 2modern | 508 | Zofcin, Joseph (1483) | Won 2-1 | +181522 |
| 3modern | 667 | Autino, Albert (1502) | Lost 1-2 | -191503 |
| 4modern | 777 | Moran, Kyle (1690) | Won 2-0 | +221525 |
| 5modern | 508 | Zwicker, Bryan (1501) | Lost 1-2 | -191506 |
| 6modern | 589 | Williams, Matthew (1592) | Won 2-0 | +201526 |
| 7modern | 409 | Dilgard, Nathan (1496) | Won 2-1 | +171543 |
| 8modern | 389 | Abbey, Finnian (1518) | Lost 1-2 | -181525 |
| average opponent: 1544record: 4-4 | new rating: 1525 | |||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 791 | Roberts, Joshua [USA] (1599) | Lost 0-2 | -161484 |
| 2modern | 1099 | Totman, Andrew (1482) | Won 2-1 | +181502 |
| 3modern | 883 | Lock, Margaret (1415) | Lost 1-2 | -201482 |
| 4modern | 1041 | Chiodo, Christopher L (1484) | Won 2-0 | +181500 |
| 5modern | 863 | Bevis, Colin (1624) | Lost 1-2 | -161484 |
| 6modern | 909 | Clinton, Joshua P (1482) | Won 2-0 | +181502 |
| 7modern | 738 | Van Vleet, Matthew (1565) | Won 2-0 | +201522 |
| 8modern | 676 | Wakefield, Bryan (1503) | Won 2-0 | +171539 |
| 9modern | 631 | Loiacano, Nick (1539) | Lost 0-2 | -181521 |
| average opponent: 1521record: 5-4 | new rating: 1521 | |||