Foster, Jon
Current rating: 1516
Record: 7-6
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 112 | Laverty, Jeff (1500) | Won 2-0 | +181538 |
| 2sealed | 48 | Heaps, Matt (1518) | Won 2-1 | +171555 |
| 3sealed | 47 | Shuldiner, Allan (1515) | Lost 0-2 | -181537 |
| 4sealed | 168 | Field, Tim (1518) | Won 2-1 | +171554 |
| 5sealed | 90 | Ravitz, Joshua (1481) | Lost 1-2 | -191535 |
| 6sealed | 137 | Escaro, Alexander (1486) | Lost 0-2 | -191516 |
| average opponent: 1503record: 3-3 | new rating: 1516 | |||
| Grand Prix Atlanta 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Wood, James (1500) | Won 2-0 | +181518 |
| 2sealed | 21 | Ellis, Randy (1615) | Won 2-1 | +201538 |
| 3sealed | 38 | Quirk, Kevin (1628) | Lost 1-2 | -171521 |
| 4sealed | 113 | Franks, Zach (1554) | Won 2-0 | +191540 |
| 5sealed | 52 | Aden, Eli (1537) | Lost 0-2 | -181522 |
| 6sealed | 82 | Lovin, Mark (1436) | Won 2-0 | +161538 |
| 7sealed | 73 | Jones, Ricky (1529) | Lost 0-2 | -181520 |
| average opponent: 1543record: 4-3 | new rating: 1520 | |||