Kerr, Michael
Current rating: 1472
| Grand Prix Detroit 2013 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 238 | Hallowell, Kyle D (1516) | Lost 0-0 | -171448 |
| 3modern | 327 | Grokowsky, David (1500) | Won 2-1 | +191467 |
| 4modern | 314 | Koury, Anthony (1521) | Lost 1-2 | -171450 |
| 5modern | 458 | Bahler, Brandon (1501) | Won 2-0 | +191469 |
| 6modern | 307 | Moulton, Jesse (1593) | Won 2-0 | +201489 |
| 7modern | 221 | Gleeson, Michael (1533) | Lost 1-2 | -171472 |
| top | average opponent: 1527record: 3-3 | new rating: 1472 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Hobel, Rob (1500) | Lost 0-2 | -181464 |
| 2sealed | 604 | Idler, Matthew (1484) | Won 2-0 | +181482 |
| 3sealed | 427 | Holden, Russell (1525) | Lost 0-2 | -171465 |
| top | average opponent: 1503record: 1-2 | new rating: 1465 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 196 | Capas, Alec (1442) | Won 2-1 | +171517 |
| 2modern | 33 | LaDouceur, Christian (1527) | Lost 1-2 | -181499 |
| 3modern | 348 | Lynch, Ty (1518) | Lost 0-2 | -181481 |
| 4modern | 379 | Woolf, Troy (1482) | Won 2-1 | +181499 |
| 5modern | 324 | Zelechowski, Steven (1504) | Lost 1-2 | -171482 |
| top | average opponent: 1494record: 2-3 | new rating: 1482 | ||