McDonnell, Leo A
Current rating: 1477
Record: 5-7
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 285 | Drake, Ryan (1500) | Won 2-0 | +181500 |
| 2modern | 157 | White, Nick (1520) | Won 2-1 | +191519 |
| 3modern | 187 | Millington, Eric (1500) | Lost 0-2 | -191500 |
| 4modern | 310 | Smith, Peter (1518) | Won 2-1 | +191519 |
| 5modern | 164 | Edel, Willy (1949) | Lost 1-2 | -111508 |
| 6modern | 202 | Yu, Jarvis (1785) | Lost 0-2 | -131495 |
| 7modern | 296 | Potts, Alexander (1498) | Lost 0-2 | -181477 |
| average opponent: 1610record: 3-4 | new rating: 1477 | |||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 460 | Bordeau, Corey Allen D (1500) | Won 2-0 | +181518 |
| 2sealed | 30 | Hallett, Robbie (1517) | Lost 1-2 | -181500 |
| 3sealed | 473 | DeRusso, Tony (1502) | Won 2-1 | +181518 |
| 4sealed | 398 | Gacioch, Daniel (1511) | Lost 0-2 | -181500 |
| 5sealed | 656 | Singlair, Douglas (1499) | Lost 0-2 | -181482 |
| average opponent: 1506record: 2-3 | new rating: 1482 | |||