David-Lamothe, Charles
Current rating: 1551
| Grand Prix Montreal 2019 (ELD limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Massak, Shawn (1771) | Won 2-0 | +221569 |
| 2sealed | 170 | Vegh, Michael (1429) | Lost 0-2 | -201549 |
| 3sealed | 293 | Grant, Jason (1446) | Lost 0-2 | -201529 |
| 4sealed | 286 | Ferguson, Nathaniel (1484) | Won 2-0 | +171546 |
| 5sealed | 227 | Lafrance, Guillaume (1505) | Won 2-0 | +171563 |
| 6sealed | 201 | Moazen-Sayad, Pedram (1860) | Lost 1-2 | -121551 |
| top | average opponent: 1583record: 3-3 | new rating: 1551 | ||
| Grand Prix Toronto 2019 (modern) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 219 | So, Kaspar (1513) | Won 2-1 | +181524 |
| 2modern | 22 | Malushaj, Adrian (1500) | Lost 1-2 | -191505 |
| 3modern | 450 | Southwick, Joshua (1621) | Lost 1-2 | -161489 |
| 4modern | 438 | Leonard, Matt (1412) | Won 2-0 | +171506 |
| 5modern | 300 | Mayen, Steven (1566) | Won 2-1 | +191525 |
| 6modern | 347 | Gray, Cory (1529) | Lost 1-2 | -181507 |
| 7modern | 309 | Fried, Norman (1717) | Won 2-0 | +221529 |
| 8modern | 249 | Cusson, Marc-Olivier (1554) | Won 2-1 | +181547 |
| top | average opponent: 1552record: 5-3 | new rating: 1547 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Lemieux, Jean (1500) | Won 2-1 | +181518 |
| 2sealed | 7 | Jacques, Zachary (1488) | Draw 1-1 | -11517 |
| 3sealed | 241 | Portuese, Rick (1518) | Won 2-1 | +181535 |
| 4sealed | 123 | Maguire, Doug (1599) | Lost 0-2 | -161519 |
| 5sealed | 239 | Blanchette, Jamie (1801) | Lost 0-2 | -131506 |
| top | average opponent: 1581record: 2-2-1 | new rating: 1506 | ||