Roos, Alexander
Current rating: 1449
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 211 | Elliott, Jeffrey (1596) | Lost 1-2 | -161447 |
| 2standard | 260 | Desjardins, Emerson (1466) | Lost 0-2 | -171430 |
| 3standard | 284 | Otwell, Christopher (1432) | Won 2-0 | +181448 |
| 4standard | 227 | Yoder, William (1482) | Won 2-1 | +181466 |
| 5standard | 182 | Webster, Noah (1484) | Lost 0-2 | -171449 |
| top | average opponent: 1492record: 2-3 | new rating: 1449 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 94 | Pike, Jimmy (1470) | Lost 0-2 | -181449 |
| 2standard | 306 | Nover, Grant (1482) | Lost 0-2 | -181431 |
| 3standard | 496 | Hunter, William (1490) | Won 2-0 | +191450 |
| 4standard | 507 | Espejo, Angel (1411) | Won 2-1 | +181468 |
| 5standard | 310 | Mick, Maxwell (1712) | Lost 1-2 | -141454 |
| 6standard | 404 | Walterscheid, Corby (1572) | Won 2-1 | +201474 |
| 7standard | 344 | Cathro, Daniel (1854) | Lost 1-2 | -111463 |
| top | average opponent: 1570record: 3-4 | new rating: 1463 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 354 | Tran, Vy (1500) | Won 2-0 | +181518 |
| 2standard | 87 | Sage, Nathan (1545) | Lost 1-2 | -181500 |
| 3standard | 515 | Foley, David (1486) | Won 2-1 | +181518 |
| 4standard | 231 | Engle, Sean (1430) | Lost 1-2 | -191499 |
| 5standard | 535 | Hort, Tyler (1497) | Lost 0-0 | -181481 |
| 6standard | 503 | Lewis, Mike (1711) | Lost 1-2 | -141467 |
| top | average opponent: 1528record: 2-4 | new rating: 1467 | ||