Justiniano, Joao
Current rating: 1447
Record: 9-13-1
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 345 | Dow, Darlene (1538) | Lost 1-2 | -161420 |
| 2sealed | 416 | Ruth, Zachariah (1482) | Draw 1-1 | +11421 |
| 3sealed | 605 | Pollard, Charlie (1488) | Won 2-1 | +191440 |
| 4sealed | 472 | Imperiale, Jason (1861) | Lost 0-2 | -111429 |
| 5sealed | 534 | Witherell, James (1415) | Won 2-0 | +181447 |
| top | average opponent: 1557record: 2-2-1 | new rating: 1447 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Goscinak, David (1546) | Lost 1-2 | -161450 |
| 2sealed | 422 | Siirila, Jared (1470) | Won 2-1 | +181468 |
| 3sealed | 414 | Christiansen, Nico (1628) | Lost 0-2 | -151453 |
| 4sealed | 571 | Nishikawa, Shoma (1500) | Lost 0-2 | -171436 |
| top | average opponent: 1536record: 1-3 | new rating: 1436 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 35 | Reynolds, Patrick (1731) | Lost 1-2 | -131453 |
| 2standard | 376 | Corbin, Wade (1446) | Won 2-0 | +181471 |
| 3standard | 345 | Caycho, William (1500) | Lost 0-2 | -181453 |
| 4standard | 465 | Mowry, Kasie (1356) | Lost 0-2 | -191434 |
| 5standard | 486 | Angilella, Joseph (1461) | Won 2-0 | +181452 |
| 6standard | 437 | Gemi, Jeffrey (1224) | Won 2-0 | +141466 |
| top | average opponent: 1453record: 3-3 | new rating: 1466 | ||
| Grand Prix Lisbon 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 139 | Rosa, Daniel (1481) | Lost 0-2 | -181482 |
| 2extended | 204 | Silva, Jose (1447) | Won 2-0 | +171499 |
| 3extended | 126 | dos Santos, Joel (1500) | Lost 1-2 | -181481 |
| 4extended | 242 | Vicente Diaz, Daniel (1647) | Lost 0-2 | -151466 |
| 5extended | 275 | Almeida, Paulo (1500) | Won 2-0 | +191485 |
| 6extended | 235 | Frois, Luis (1455) | Lost 1-2 | -191466 |
| 7extended | 219 | Santos, Joao 5915 (1464) | Lost 0-2 | -181448 |
| 8extended | 203 | Feiteira, Goncalo (1463) | Won 2-0 | +181466 |
| top | average opponent: 1495record: 3-5 | new rating: 1466 | ||