Samson, Ben
Current rating: 1553
Record: 8-5
| Grand Prix Kansas City 2011 (NPH limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 11 | Hodges, Christopher R (1481) | Lost 0-2 | -191556 |
| 3sealed | 225 | Townsend, Jason (1499) | Won 2-0 | +171573 |
| 4sealed | 239 | Chu, Tony (1616) | Lost 1-2 | -181555 |
| 5sealed | 279 | Tidwell, Terry (1500) | Lost 1-2 | -191536 |
| 6sealed | 296 | Crow, Daniel (1481) | Won 2-0 | +171553 |
| average opponent: 1515record: 2-3 | new rating: 1553 | |||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 76 | Strunk, Chase (1518) | Won 2-0 | +181518 |
| 3sealed | 49 | Gamble, Paul G (1523) | Won 2-0 | +181536 |
| 4sealed | 19 | Utter-Leyton, Josh (1615) | Lost 1-2 | -161520 |
| 5sealed | 107 | Ruggiero, Scott A (1488) | Won 2-0 | +171537 |
| 6sealed | 109 | Peek, Thomas (1555) | Won 2-0 | +191556 |
| 7sealed | 47 | erickson, mike l (1575) | Won 2-0 | +181574 |
| 8sealed | 26 | Kozal, Tyler (1602) | Lost 0-2 | -181556 |
| 9sealed | 50 | Strasberg, Steven (1611) | Won 2-1 | +191575 |
| average opponent: 1561record: 6-2 | new rating: 1575 | |||