Alger, David
Current rating: 1476
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 218 | Steele, Michael (1525) | Won 2-1 | +201469 |
| 2sealed | 297 | Avance, Alex (1516) | Lost 1-2 | -171452 |
| 3sealed | 540 | Potts, Zachary (1485) | Won 2-1 | +181470 |
| 4sealed | 350 | Kelley, Connor (1460) | Won 2-1 | +181488 |
| 5sealed | 120 | Galik, Christopher (1574) | Won 2-1 | +201508 |
| 6sealed | 144 | Thron, Nunzio (1606) | Lost 1-2 | -171491 |
| 7sealed | 258 | Chapman, Steven (1631) | Lost 1-2 | -151476 |
| top | average opponent: 1542record: 4-3 | new rating: 1476 | ||
| Grand Prix Dallas 2007 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 19 | Mowrey, Austin (1500) | Lost 0-2 | -181446 |
| 2extended | 301 | Palmer, David A (1482) | Lost 0-2 | -171429 |
| 3extended | 320 | Riojas, Anthony (1464) | Won 0-0 | +191448 |
| 4extended | 276 | Harris, Trevor (1483) | Won 2-1 | +181466 |
| 5extended | 207 | Allen, Robert (1502) | Lost 0-2 | -171449 |
| 6extended | 209 | Stone, Sean A (1465) | Draw 0-0 | 01449 |
| top | average opponent: 1483record: 2-3-1 | new rating: 1449 | ||
| Grand Prix Austin 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 23 | Dykes, James (1484) | Won 2-1 | +181518 |
| 2sealed | 11 | Sklar, Jacob (1518) | Lost 0-2 | -181500 |
| 3sealed | 76 | Hlavaty, Jose (1484) | Lost 1-2 | -191481 |
| 4sealed | 154 | Lynch, Patrick (1502) | Lost 1-2 | -171464 |
| top | average opponent: 1497record: 1-3 | new rating: 1464 | ||