Marsman, Aaron
Current rating: 1479
| Grand Prix Montreal 2019 (ELD limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 238 | Durette, Jean-Francois (1520) | Lost 1-2 | -171458 |
| 2sealed | 424 | Whaley, Brett (1482) | Won 1-0 | +191477 |
| 3sealed | 241 | Schmidt, April (1521) | Won 2-0 | +181495 |
| 4sealed | 201 | Brott, John (1714) | Lost 0-2 | -141481 |
| 5sealed | 248 | Rioux, Marc-Antoine (1492) | Won 2-0 | +191500 |
| 6sealed | 204 | Smith, Brenda (1381) | Lost 1-2 | -211479 |
| top | average opponent: 1518record: 3-3 | new rating: 1479 | ||
| Grand Prix Toronto 2019 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 281 | Titizian, Sam (1743) | Lost 1-2 | -141469 |
| 2modern | 489 | Von Dungern, Ryan (1482) | Won 2-0 | +181487 |
| 3modern | 353 | Ha, Justin (1500) | Won 2-1 | +191506 |
| 4modern | 306 | Traikov, Erik (1862) | Lost 1-2 | -121494 |
| 5modern | 331 | Beacom, Jared (1466) | Lost 0-2 | -191475 |
| top | average opponent: 1611record: 2-3 | new rating: 1475 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 134 | Ceh, Tomislav (1535) | Lost 0-2 | -171483 |
| 2sealed | 539 | Klahr, Juan (1481) | Lost 1-2 | -181465 |
| 3sealed | 621 | Coulter, Jessey (1469) | Lost 0-2 | -181447 |
| 4sealed | 629 | Smith, Kale (1444) | Won 2-1 | +181465 |
| 5sealed | 580 | Kenkel, Ray (1464) | Won 2-0 | +181483 |
| 6sealed | 503 | Archambeault, Kevin (1480) | Won 2-1 | +181501 |
| 7sealed | 398 | Stubbs, Richard (1501) | Draw 1-1 | 01501 |
| 8sealed | 349 | Mcguire, Joe (1499) | Lost 0-2 | -181483 |
| top | average opponent: 1484record: 3-4-1 | new rating: 1483 | ||