MacDonald, Dan 8445
Current rating: 1463
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 190 | Crafton, Jonathan (1483) | Lost 0-2 | -171439 |
| 2legacy | 275 | Mcallister, Nathan (1349) | Won 2-0 | +161455 |
| 3legacy | 326 | Hiester, Dylan (1509) | Won 2-1 | +191474 |
| 4legacy | 272 | Lewis, Nathan (1500) | Won 2-1 | +191493 |
| 5legacy | 196 | Glenn, Brian1443 (1565) | Won 2-1 | +191512 |
| 6legacy | 56 | Seldin, Corey (1569) | Lost 0-2 | -171495 |
| 7legacy | 129 | Chu, Tony (1543) | Lost 0-2 | -171478 |
| 8legacy | 169 | Jose, Edward (1629) | Lost 0-2 | -151463 |
| top | average opponent: 1518record: 4-4 | new rating: 1463 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Ekstrom, Michael (1500) | Lost 0-2 | -181477 |
| 2sealed | 386 | Whitney, Athan (1485) | Lost 0-0 | -171460 |
| 3sealed | 535 | Tauber, Mykel (1455) | Won 2-0 | +171477 |
| 4sealed | 436 | Statz, Matthew (1472) | Won 2-0 | +181495 |
| 5sealed | 352 | White, Eli (1416) | Lost 1-2 | -191476 |
| 6sealed | 353 | Barbero, Joseph (1392) | Lost 0-2 | -201456 |
| top | average opponent: 1453record: 2-4 | new rating: 1456 | ||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 301 | Ward, Kris (1500) | Lost 0-2 | -181482 |
| 2modern | 414 | Stafford, Richard (1482) | Lost 0-2 | -181464 |
| 3modern | 685 | Rich, Brian (1434) | Lost 0-2 | -191445 |
| 4modern | 719 | Brown, Chance (1421) | Won 2-1 | +181463 |
| 5modern | 643 | Davis, Charles (1439) | Won 2-0 | +181481 |
| 6modern | 570 | Carlton, Jason (1454) | Won 2-0 | +171498 |
| 7modern | 373 | Peers, Jennifer (1376) | Won 2-1 | +161514 |
| 8modern | 291 | Blackwell, John (1484) | Lost 0-2 | -191495 |
| top | average opponent: 1449record: 4-4 | new rating: 1495 | ||