Pirro, Michael D
Current rating: 1480
Record: 3-4
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 396 | MacNaughton, Iain (1500) | Won 2-0 | +181498 |
| 2sealed | 345 | Guay-Provost, Philippe (1464) | Lost 1-2 | -181480 |
| average opponent: 1482record: 1-1 | new rating: 1480 | |||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 430 | Balducci, Tommas (1428) | Lost 1-2 | -191481 |
| 2sealed | 624 | Gleason, Billy (1483) | Lost 1-2 | -181463 |
| 3sealed | 690 | Fenstermaker, Dean (1462) | Lost 0-2 | -181445 |
| 4sealed | 719 | Herr, Briana (1445) | Won 2-1 | +181463 |
| 5sealed | 673 | Muir, Justin (1410) | Won 2-0 | +171480 |
| average opponent: 1446record: 2-3 | new rating: 1480 | |||