Brown, Marshall R
Current rating: 1552
Record: 7-4
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 506 | Henderson, Seth (1500) | Won 2-1 | +181535 |
| 2sealed | 48 | Campeau, Braydon (1516) | Won 2-0 | +171552 |
| average opponent: 1508record: 2-0 | new rating: 1552 | |||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 208 | Adams, Andrew (1500) | Lost 0-2 | -181482 |
| 2sealed | 259 | Talbert, Jeff (1446) | Won 2-0 | +171499 |
| 3sealed | 156 | Caravajo, Ed (1502) | Won 2-0 | +181517 |
| 4sealed | 133 | Sloat, Alex (1504) | Won 2-1 | +181535 |
| 5sealed | 52 | Cox, David J (1535) | Won 2-0 | +181553 |
| 6sealed | 51 | Doshi, Vishvas (1612) | Lost 1-2 | -171536 |
| 7sealed | 127 | Taimla, Christopher (1537) | Won 2-0 | +181554 |
| 8sealed | 72 | Hagon, Richard (1493) | Lost 1-2 | -191535 |
| 9sealed | 72 | Hebert, Justin (1535) | Lost 0-2 | -181517 |
| average opponent: 1518record: 5-4 | new rating: 1517 | |||