De Souza, Tony
Current rating: 1360
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1387 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 37 | Gulkis, Mitchell (1500) | Lost 0-2 | -161371 |
| 2modern | 275 | Leclerc, Syngen (1438) | Lost 0-2 | -171354 |
| 3modern | 418 | Morely, Anthony (1465) | Lost 1-2 | -161338 |
| 4modern | 442 | Suarez, Jovanny (1444) | Won 2-0 | +201358 |
| 5modern | 385 | Hedberg, Sierra (1463) | Draw 0-0 | +21360 |
| top | average opponent: 1462record: 1-3-1 | new rating: 1360 | ||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 273 | Cabrera, Bryan (1503) | Won 2-1 | +191468 |
| 2standard | 95 | Soowal, Nathan (1597) | Lost 0-2 | -161452 |
| 3standard | 332 | Gosche, Jacob (1638) | Lost 0-2 | -141438 |
| 4standard | 370 | Herndon, Scott (1504) | Lost 0-2 | -171421 |
| 5standard | 409 | Fischer, Maxwell (1470) | Lost 0-2 | -171404 |
| 6standard | 367 | Siemon, Robert (1463) | Lost 0-2 | -171387 |
| top | average opponent: 1529record: 1-5 | new rating: 1387 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 194 | Penn, Lucius (1430) | Lost 0-2 | -191481 |
| 2standard | 368 | Jarvinen, Jeffrey (1729) | Lost 1-2 | -141467 |
| 3standard | 580 | Caffrey, Corey (1452) | Lost 1-2 | -181449 |
| 4standard | 633 | Garcia, Rafael (1444) | Draw 1-1 | 01449 |
| 5standard | 561 | Lenn, Stephanie (1447) | Won 2-0 | +181467 |
| 7standard | 340 | McClenney, Ben (1482) | Lost 0-2 | -181449 |
| top | average opponent: 1497record: 1-4-1 | new rating: 1449 | ||