Clark, Michael P
Current rating: 1546
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 12 | Gadut, Renee (1518) | Lost 0-2 | -191574 |
| 3block | 265 | Gonzales, Erica (1487) | Lost 0-2 | -201554 |
| 4block | 349 | Ruiz, Juan (1431) | Won 2-0 | +161570 |
| 5block | 293 | Kinney, Taylor (1548) | Lost 0-2 | -191551 |
| 6block | 337 | Nakamura, Gary (1444) | Lost 1-2 | -201531 |
| 7block | 292 | Smith, Dean (1465) | Won 2-0 | +171548 |
| 8block | 225 | Cobey, Tucker (1495) | Lost 1-2 | -191529 |
| 9block | 218 | Wood, Vienna (1460) | Won 2-1 | +171546 |
| top | average opponent: 1481record: 3-5 | new rating: 1546 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 167 | Gargiulo, Matt (1585) | Won 2-0 | +191557 |
| 3legacy | 41 | McDarby, David (1462) | Draw 1-1 | -21555 |
| 4legacy | 177 | Ori, Ryan (1562) | Won 2-0 | +191574 |
| 5legacy | 85 | Nyberg, Michael (1761) | Won 2-0 | +211595 |
| 6legacy | 41 | Weglarz, Mike (1573) | Lost 0-2 | -181577 |
| 7legacy | 118 | Williams, Joel A (1538) | Won 2-0 | +171594 |
| 8legacy | 64 | Zvonek, Randall (1489) | Won 2-0 | +161610 |
| 9legacy | 43 | Smutko, Peter (1661) | Lost 0-2 | -171593 |
| top | average opponent: 1579record: 5-2-1 | new rating: 1593 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 134 | Morrison, Michael (1500) | Won 2-1 | +181518 |
| 2sealed | 59 | Wise, Wesley (1620) | Lost 0-2 | -161502 |
| 3sealed | 172 | Benford, Ryan (1499) | Won 2-1 | +181520 |
| 4sealed | 107 | Erwin, Evan (1606) | Won 2-0 | +191539 |
| 5sealed | 71 | DeAngelo, John (1556) | Lost 1-2 | -171522 |
| 6sealed | 200 | Leveille, Tom (1505) | Lost 0-2 | -191503 |
| 7sealed | 160 | Auburn, Andrew (1475) | Won 2-0 | +181521 |
| 8sealed | 114 | Schmidt, Jeremiah J (1493) | Won 2-1 | +171538 |
| top | average opponent: 1532record: 5-3 | new rating: 1538 | ||