Defenbaugh, John
Current rating: 1469
Record: 4-6
| Grand Prix New Orleans 2001 (INV limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 106 | Alexander, Stephen (1500) | Won 2-1 | +191483 |
| 2sealed | 79 | Maraj, Wade (1513) | Lost 0-2 | -171466 |
| 3sealed | 89 | Kowal, Brian (1541) | Won 2-0 | +191485 |
| 4sealed | 78 | Golden, Ryan (1517) | Lost 0-2 | -171468 |
| 5sealed | 143 | Lopez, Kyle (1503) | Won 2-0 | +181486 |
| 6sealed | 77 | Hules, Greg (1518) | Lost 1-2 | -171469 |
| average opponent: 1515record: 3-3 | new rating: 1469 | |||
| Grand Prix Dallas 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Eskeridge, Blake (1500) | Lost 1-2 | -181482 |
| 2sealed | 76 | Kirkpatrick, Greg (1482) | Won 2-0 | +181500 |
| 3sealed | 80 | Krysak, Jason (1534) | Lost 1-2 | -171483 |
| 4sealed | 125 | Armstrong, Herman (1469) | Lost 0-2 | -191464 |
| average opponent: 1496record: 1-3 | new rating: 1464 | |||