Diaz, Reubhen
Current rating: 1444
| Grand Prix Oakland 2019 (modern) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 231 | Bresler, Reuben (1604) | Won 2-0 | +211462 |
| 2modern | 147 | Whang, Kevin (1644) | Won 2-0 | +211483 |
| 3modern | 203 | Weinreich, Brian (1562) | Lost 0-2 | -161467 |
| 4modern | 262 | Coyle, Aidan (1596) | Lost 1-2 | -161451 |
| 5modern | 351 | Maathur, Jeevan (1507) | Won 2-0 | +191470 |
| 6modern | 227 | Liu, Richard (1978) | Lost 1-2 | -91461 |
| 7modern | 275 | Lee, David (1534) | Lost 0-2 | -171444 |
| top | average opponent: 1632record: 3-4 | new rating: 1444 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 551 | McGoldrick, Leif (1447) | Won 2-1 | +191448 |
| 2modern | 515 | Manuel, Matt (1480) | Won 2-1 | +181466 |
| 3modern | 522 | Birrell, Ian (1779) | Lost 0-2 | -121454 |
| 4modern | 1008 | Romero, Frank (1531) | Won 2-1 | +191473 |
| 5modern | 583 | Richards, Ian (1536) | Lost 1-2 | -171456 |
| 6modern | 582 | Logsdon, Tai (1508) | Lost 1-2 | -171439 |
| 7modern | 834 | Smallwood, Chris (1497) | Won 2-1 | +191458 |
| 8modern | 752 | Fong, Christopher (1508) | Lost 0-2 | -171441 |
| top | average opponent: 1536record: 4-4 | new rating: 1441 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 309 | Foodym, David (1521) | Lost 1-2 | -181482 |
| 2modern | 549 | Biedenbach, Christopher (1582) | Lost 1-2 | -161466 |
| 3modern | 1046 | Vannaken, Rene (1464) | Lost 1-2 | -181448 |
| 4modern | 1059 | Tan, Rowena (1402) | Lost 0-2 | -191429 |
| top | average opponent: 1492record: 0-4 | new rating: 1429 | ||