Cook, Matthew [CAN]
Current rating: 1540
Record: 10-9
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 306 | Tremblay, Cedrick (1588) | Won 2-0 | +191559 |
| 2sealed | 156 | Mulloy, Josh (1752) | Lost 0-2 | -151544 |
| 3sealed | 351 | Asselin, Eric (1441) | Won 2-0 | +161560 |
| 4sealed | 191 | Boily, Sylvain (1485) | Won 2-0 | +171577 |
| 5sealed | 215 | Suto, Ken (1559) | Lost 1-2 | -191558 |
| 6sealed | 234 | Sagala Lamoureux, Yann (1511) | Lost 0-2 | -181540 |
| average opponent: 1556record: 3-3 | new rating: 1540 | |||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Melanson, Jordan (1496) | Won 2-0 | +181518 |
| 2sealed | 242 | Winter, John (1497) | Won 2-0 | +181536 |
| 3sealed | 5 | Nguyen, Thien (1930) | Lost 1-2 | -121524 |
| 4sealed | 160 | Mitchell, Zane (1664) | Lost 0-2 | -151509 |
| 5sealed | 320 | Chidiac, William (1497) | Won 2-0 | +181527 |
| 6sealed | 331 | Beukers, Jesse (1517) | Won 2-0 | +181545 |
| 7sealed | 230 | Schnayer, Tobias (1895) | Won 2-0 | +241569 |
| 8sealed | 78 | Pileggi, Riccardo (1771) | Won 2-0 | +211590 |
| 9sealed | 41 | Glosner, Alexander (1721) | Lost 1-2 | -151575 |
| 10draft | 145 | Liu, Tong [CAN] (1544) | Lost 0-2 | -191556 |
| 11draft | 136 | Robert, Mathieu (1689) | Lost 1-2 | -151541 |
| 12draft | 129 | Fielder, David (1513) | Won 2-1 | +171558 |
| 13draft | 72 | Williamson, Dustin (1538) | Lost 1-2 | -181540 |
| average opponent: 1636record: 7-6 | new rating: 1540 | |||