Jong, Yosio
Current rating: 1500
Record: 4-4
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 214 | Mai, John (1515) | Lost 1-2 | -181482 |
| 2sealed | 694 | Nguyen, Thomas (1453) | Lost 1-2 | -181464 |
| 3sealed | 864 | La Rocco, Victor (1472) | Won 2-0 | +181482 |
| 4sealed | 616 | McReynolds, Aj (1391) | Won 2-1 | +161498 |
| 5sealed | 679 | Ebert, Ryan (1500) | Won 2-0 | +181516 |
| 6sealed | 298 | Cerone, Anthony (1515) | Won 2-1 | +181534 |
| 7sealed | 166 | Neugass, Jonah (1541) | Lost 0-2 | -181516 |
| 8sealed | 425 | Baker, Michael (1586) | Lost 0-2 | -161500 |
| average opponent: 1497record: 4-4 | new rating: 1500 | |||