Anderson, Sam
Current rating: 1474
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 633 | Sledz, Richie (1577) | Won 2-0 | +191527 |
| 2pioneer | 129 | Sletteland, Nate (1611) | Lost 0-2 | -171510 |
| 3pioneer | 388 | Wollney, Nicholas (1482) | Lost 1-2 | -181492 |
| 4pioneer | 392 | Adams, Drew (1481) | Lost 0-2 | -181474 |
| top | average opponent: 1538record: 1-3 | new rating: 1474 | ||
| Grand Prix Memphis 2015 (FRF standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 118 | Jones, Evan (1524) | Won 2-1 | +191484 |
| 4standard | 103 | Nelson, Brad (2095) | Lost 0-2 | -81476 |
| 5standard | 145 | Bargo, Craig (1621) | Won 2-1 | +211497 |
| 6standard | 56 | Steht, Lee (1712) | Lost 0-2 | -141483 |
| 7standard | 93 | Shrout, Andrew (1767) | Lost 0-2 | -131470 |
| 8standard | 177 | Mayes, Jared (1521) | Won 2-1 | +191489 |
| 9standard | 111 | Ricks, Tanei (1532) | Won 2-0 | +191508 |
| top | average opponent: 1681record: 4-3 | new rating: 1508 | ||
| Grand Prix Omaha 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 131 | Garbowicz, Brian (1500) | Lost 0-2 | -181482 |
| 2modern | 311 | Barrett, Ethan (1533) | Lost 1-2 | -171465 |
| 3modern | 539 | Rolloff, Chris (1463) | Won 2-0 | +181483 |
| 4modern | 471 | Alcala, Raymond (1505) | Lost 0-2 | -181465 |
| top | average opponent: 1500record: 1-3 | new rating: 1465 | ||