Blume, Andrew
Current rating: 1432
Record: 3-7-1
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 507 | O'Neill, John R (1500) | Won 2-0 | +181503 |
| 2sealed | 433 | Thomas, Jeff (1518) | Lost 0-2 | -181485 |
| 3sealed | 672 | Stubbs, Dan (1502) | Lost 1-2 | -171468 |
| 4sealed | 642 | Briscoe, Kenneth (1481) | Lost 0-2 | -181450 |
| 5sealed | 671 | Halley, Chris (1467) | Lost 0-2 | -181432 |
| average opponent: 1494record: 1-4 | new rating: 1432 | |||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 221 | Tzaneteas, Elliott (1490) | Draw 1-1 | 01500 |
| 2sealed | 308 | Hall, John (1631) | Won 2-0 | +201520 |
| 3sealed | 195 | Scamihorn, John (1569) | Won 2-0 | +191539 |
| 4sealed | 135 | Cook, Justin (1535) | Lost 0-2 | -181521 |
| 5sealed | 249 | Ricksgers, Jason (1505) | Lost 1-2 | -181503 |
| 6sealed | 291 | Howard, Nathan (1501) | Lost 0-2 | -181485 |
| average opponent: 1538record: 2-3-1 | new rating: 1485 | |||