Burden, John
Current rating: 1487
Record: 6-7
| Grand Prix Oakland 2010 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 116 | Garber, Chris (1500) | Lost 0-2 | -171447 |
| 2extended | 210 | Henry, Patrick (1497) | Won 2-1 | +191466 |
| 3extended | 216 | Brown, Matthew (1515) | Won 2-0 | +191485 |
| 4extended | 208 | Roa, Bastian (1500) | Won 2-1 | +181503 |
| 5extended | 165 | Simpson, Keith (1537) | Won 2-1 | +191522 |
| 6extended | 92 | Pippia, Cristian (1558) | Lost 0-2 | -181504 |
| 7extended | 125 | Lopate, Mike (1528) | Lost 1-2 | -171487 |
| average opponent: 1519record: 4-3 | new rating: 1487 | |||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 50 | Martinez, Michael (1464) | Lost 1-2 | -191481 |
| 2extended | 214 | Chu, Steven (1500) | Won 2-0 | +191500 |
| 3extended | 178 | Mammarella, Blaze (1582) | Lost 1-2 | -171483 |
| 4extended | 364 | Athanassiadis, Alexander (1483) | Lost 1-2 | -181465 |
| 5extended | 327 | Cha, Charlie (1462) | Won 2-1 | +181483 |
| 6extended | 279 | Stayton, Scott (1448) | Lost 1-2 | -191464 |
| average opponent: 1490record: 2-4 | new rating: 1464 | |||