Thomas, Jon
Current rating: 1464
Record: 2-4
| Grand Prix Memphis 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 80 | Luten, Alex (1500) | Won 0-0 | +181518 |
| 2block | 90 | Quirk, Kevin (1518) | Lost 0-0 | -181500 |
| 3block | 138 | Vieux, James (1500) | Lost 0-0 | -181482 |
| 4block | 148 | Taggart, Michael (1482) | Lost 0-0 | -181464 |
| 5block | 137 | Waldbauer, Mitchell (1480) | Won 0-0 | +181482 |
| 6block | 100 | Armstrong, Michael (1481) | Lost 0-0 | -181464 |
| average opponent: 1493record: 2-4 | new rating: 1464 | |||