Lydon, Michael S
Current rating: 1581
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 455 | Nunez, David (1500) | Won 2-1 | +181543 |
| 2sealed | 407 | Morin, Wayne L (1518) | Won 2-0 | +171560 |
| 3sealed | 106 | Dowling, Michael (1623) | Won 2-0 | +191579 |
| 4sealed | 185 | van Driel, Boaz (1502) | Won 2-0 | +171596 |
| 5sealed | 112 | Iramain, Jorge (1586) | Won 2-0 | +181614 |
| 6sealed | 9 | Lapine, Michael (1708) | Lost 0-2 | -171597 |
| 7sealed | 138 | Pileggi, Riccardo (1606) | Lost 1-2 | -171580 |
| 8sealed | 265 | Riley, Tristan B (1551) | Won 2-0 | +171597 |
| 9sealed | 73 | Freeman, Marcelino (1696) | Lost 1-2 | -161581 |
| top | average opponent: 1588record: 6-3 | new rating: 1581 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 551 | Kline, Charles (1500) | Won 2-0 | +171559 |
| 2legacy | 517 | Juseck, Steven (1664) | Lost 0-2 | -161543 |
| 3legacy | 588 | Allulis, Chris (1543) | Lost 1-2 | -181525 |
| top | average opponent: 1569record: 1-2 | new rating: 1525 | ||
| Grand Prix Boston 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 217 | Christopher, Denver (1500) | Won 2-1 | +181518 |
| 2extended | 159 | Viner, Mike (1483) | Draw 1-1 | -11517 |
| 3extended | 111 | Roiter, Andrew (1519) | Won 2-0 | +181535 |
| 4extended | 96 | Fleury, William (1524) | Won 2-0 | +181553 |
| 5extended | 43 | McAlpine, Ken (1569) | Won 2-1 | +181571 |
| 6extended | 20 | DeTora, Melissa (1736) | Won 2-0 | +211592 |
| 7extended | 12 | Krumb, Michael (1775) | Lost 0-2 | -141578 |
| 8extended | 34 | Folinus, Jeff (1585) | Lost 0-2 | -181560 |
| 9extended | 68 | Polanik, Kimball (1565) | Lost 1-2 | -181542 |
| top | average opponent: 1584record: 5-3-1 | new rating: 1542 | ||