Lefebvre, Michael J
Current rating: 1532
Record: 7-5-1
| Grand Prix Montreal 2011 (M12 limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 450 | Giraldeau, Renaud (1485) | Won 2-1 | +181536 |
| 2sealed | 413 | Ross, Stuart (1483) | Lost 1-2 | -191517 |
| 3sealed | 472 | Van Leeuwen, Andrew (1488) | Won 2-0 | +171534 |
| 4sealed | 471 | Chagnon, Patrick (1518) | Won 2-0 | +181552 |
| 5sealed | 396 | Yang, Ke (1540) | Draw 1-1 | 01552 |
| 6sealed | 421 | Lewis, Katie (1487) | Won 2-0 | +161568 |
| 7sealed | 392 | Fazio, Andrew (1582) | Lost 1-2 | -171551 |
| 8sealed | 424 | Fernandes, Paulo (1519) | Lost 0-2 | -191532 |
| average opponent: 1513record: 4-3-1 | new rating: 1532 | |||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 177 | Ngo, Tobin (1500) | Lost 0-2 | -181482 |
| 2sealed | 280 | Winter, Michael (1482) | Won 2-0 | +181500 |
| 3sealed | 207 | Dach, Connor (1500) | Won 2-0 | +181518 |
| 4sealed | 107 | Culley, Gordon (1518) | Lost 1-2 | -181500 |
| 5sealed | 211 | Wong, Wilson (1510) | Won 2-1 | +181518 |
| average opponent: 1502record: 3-2 | new rating: 1518 | |||