LeFebvre, Kevin
Current rating: 1515
Record: 10-10
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 709 | Rambarran, Ricardo (1624) | Won 2-0 | +201521 |
| 2modern | 744 | Soorani, Shaheen (2022) | Won 2-0 | +261547 |
| 3modern | 910 | Littman, Fai (1710) | Lost 0-2 | -151532 |
| 4modern | 928 | Snook, Adam (1621) | Lost 1-2 | -161516 |
| 5modern | 977 | Davidson Carroll, Gray (1501) | Won 2-1 | +181534 |
| 6modern | 918 | Salveson, Eric G (1514) | Lost 1-2 | -191515 |
| top | average opponent: 1665record: 3-3 | new rating: 1515 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 343 | Westman, Clay (1485) | Won 2-1 | +181500 |
| 2modern | 269 | Madden, Christine (1465) | Won 2-0 | +171517 |
| 3modern | 182 | Hernandez, Mario (1500) | Lost 0-2 | -181499 |
| 4modern | 276 | McCullough, Bobby (1500) | Won 2-0 | +181517 |
| 5modern | 291 | Brolly, Sean (1538) | Lost 1-2 | -181499 |
| 6modern | 359 | Kim, Dong (1564) | Won 2-0 | +191518 |
| 7modern | 193 | Holbrook, Daniel (1536) | Lost 0-2 | -171501 |
| top | average opponent: 1512record: 4-3 | new rating: 1501 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 251 | Reed, Andrew (1500) | Lost 1-2 | -181482 |
| 2sealed | 612 | Chato, Luis (1463) | Lost 1-2 | -181464 |
| 3sealed | 694 | Shaker, Jacob (1464) | Won 2-1 | +181482 |
| 4sealed | 713 | Kinney, Michael (1499) | Won 2-0 | +181500 |
| 5sealed | 654 | Heppding, Nick (1484) | Lost 0-2 | -181482 |
| 6sealed | 599 | Scott H., (1463) | Won 2-1 | +171499 |
| 7sealed | 404 | Brantner, Drew (1516) | Lost 0-2 | -171482 |
| top | average opponent: 1484record: 3-4 | new rating: 1482 | ||