Blumenthal, David
Current rating: 1523
Record: 3-2
| Grand Prix St. Louis 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 30 | Mangner, Joel (1590) | Lost 0-2 | -161484 |
| 3sealed | 111 | gibbons, skylar r (1500) | Won 2-1 | +181502 |
| 4sealed | 90 | Keeline, Chris (1519) | Won 2-1 | +181520 |
| 5sealed | 73 | Shiels, David (1682) | Lost 1-2 | -151505 |
| 6sealed | 95 | Tracy, Kyle (1515) | Won 2-0 | +181523 |
| average opponent: 1561record: 3-2 | new rating: 1523 | |||