Dio, Michael V
Current rating: 1600
| Grand Prix Toronto 2012 (modern) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 219 | Raska, Thomas (1505) | Lost 0-2 | -191536 |
| 2modern | 306 | Pickfield, Mike (1482) | Won 2-0 | +171553 |
| 3modern | 249 | Laberge, Vincent (1497) | Won 2-1 | +171570 |
| 4modern | 272 | Schulz, Zachary (1554) | Won 2-0 | +181588 |
| 5modern | 187 | Sokay, Alexander (1569) | Lost 0-2 | -191569 |
| 6modern | 10 | Valila, Brad (1516) | Won 2-0 | +171586 |
| 7modern | 220 | Barz, Nicholas (1541) | Won 2-1 | +181604 |
| 8modern | 68 | Ledvinka, David (1517) | Won 2-1 | +161620 |
| 9modern | 82 | Magill, Sean (1513) | Lost 0-2 | -201600 |
| top | average opponent: 1522record: 6-3 | new rating: 1600 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 469 | Mccutchan, Sean K (1500) | Won 2-0 | +181557 |
| 2sealed | 383 | Massey, Sebastian (1465) | Lost 0-2 | -201537 |
| 3sealed | 490 | Chapman, Andy V (1500) | Lost 0-2 | -191518 |
| 4sealed | 553 | Ferrando, Matthew (1616) | Won 2-1 | +201538 |
| 5sealed | 487 | Rasmussen, Ben (1552) | Won 2-1 | +181556 |
| 6sealed | 431 | Villamizar, Daniel (1555) | Won 2-1 | +181574 |
| 7sealed | 409 | Bates, Joshua (1495) | Lost 1-2 | -191555 |
| top | average opponent: 1526record: 4-3 | new rating: 1555 | ||
| Grand Prix Dallas 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 78 | Yowell, William B (1500) | Won 2-1 | +181518 |
| 2extended | 165 | Reyes, Chris (1567) | Won 2-0 | +191537 |
| 3extended | 53 | Shapiro, Yakov (1677) | Won 0-0 | +201557 |
| 4extended | 62 | O'Mallan, Ian (1570) | Won 2-1 | +191576 |
| 5extended | 17 | Melamed, Jonathan (1600) | Lost 0-2 | -181558 |
| 6extended | 69 | Moreno, William (1596) | Draw 1-1 | +11559 |
| 7extended | 64 | Nielsen, Bill (1485) | Lost 0-2 | -201539 |
| top | average opponent: 1571record: 4-2-1 | new rating: 1539 | ||