Matter, Jeff
Current rating: 1485
Record: 4-5
| Grand Prix Kansas City 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 51 | Loynachan, Brian (1500) | Won 0-0 | +181518 |
| 5extended | 81 | Cheng, Yi (1481) | Won 0-0 | +171535 |
| 6extended | 26 | Schick, Mark (1596) | Won 0-0 | +191554 |
| 7extended | 19 | Maraj, Wade (1537) | Lost 0-0 | -181536 |
| 8extended | 23 | Lauer, Erik (1797) | Lost 0-0 | -131523 |
| 9extended | 30 | Welch, Jacob (1490) | Won 0-0 | +171540 |
| 10extended | 21 | Lewis, Sam (1540) | Lost 0-0 | -181522 |
| 11extended | 26 | Noland, Donald (1474) | Lost 0-0 | -191503 |
| 12extended | 25 | Gould, Troy (1470) | Lost 0-0 | -181485 |
| average opponent: 1543record: 4-5 | new rating: 1485 | |||