Hong, John
Current rating: 1548
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 527 | Slater, Zac (1500) | Won 2-0 | +181528 |
| 2sealed | 478 | Rowe, Alexander (1518) | Won 2-0 | +181546 |
| 3sealed | 347 | Chlobowski, Dominik (1535) | Lost 0-2 | -181528 |
| 4sealed | 453 | Trembley, Chris (1660) | Draw 1-1 | +21530 |
| 5sealed | 482 | Doran, Marcus (1561) | Lost 1-2 | -171513 |
| 6sealed | 498 | Carpenter, Stephen M (1500) | Won 2-0 | +171530 |
| 7sealed | 453 | Kutarna, William (1500) | Won 2-0 | +181548 |
| top | average opponent: 1539record: 4-2-1 | new rating: 1548 | ||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 131 | Weitz, David (1715) | Lost 1-2 | -151509 |
| 3sealed | 113 | Sharpe, Dave (1500) | Lost 1-2 | -181491 |
| 4sealed | 212 | Gaston, Eddie (1482) | Won 2-0 | +181509 |
| 5sealed | 148 | Turben, Eric (1500) | Won 2-1 | +181527 |
| 6sealed | 140 | Benefield, Kevin (1607) | Lost 1-2 | -171510 |
| top | average opponent: 1561record: 2-3 | new rating: 1510 | ||
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 62 | Adams, David (1518) | Lost 0-0 | -181482 |
| 4sealed | 110 | Leventhal, Dennis (1518) | Draw 0-0 | +11483 |
| 5sealed | 107 | Hanna, Dave (1520) | Won 0-0 | +191502 |
| 6sealed | 68 | Miller, David (1518) | Won 0-0 | +181520 |
| 7sealed | 48 | Bock, Daniel (1519) | Won 0-0 | +181538 |
| 8draft | 22 | He, Yuan (1571) | Won 0-0 | +191557 |
| 9draft | 9 | Dougherty, Robert (1693) | Lost 0-0 | -161541 |
| 10draft | 24 | Spear, Azrael (1558) | Draw 0-0 | 01541 |
| 11draft | 8 | Russell, Kenneth (1536) | Lost 0-0 | -181523 |
| 12draft | 24 | Fronzaglio, Frederick (1508) | Lost 0-0 | -181505 |
| 13draft | 21 | Spear, Azrael (1557) | Won 0-0 | +191524 |
| top | average opponent: 1547record: 5-4-2 | new rating: 1524 | ||