Diehl, Michael
Current rating: 1444
Record: 4-7
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 559 | Klein, Lucien (1500) | Lost 0-2 | -181482 |
| 2modern | 680 | Langenhorst, Nick (1499) | Lost 0-2 | -181464 |
| 3modern | 836 | Mohrmann, Kent (1464) | Won 2-0 | +181482 |
| 4modern | 754 | Downing, Corey (1455) | Lost 1-2 | -191463 |
| 5modern | 715 | Priest, Breanna (1357) | Lost 0-2 | -191444 |
| average opponent: 1455record: 1-4 | new rating: 1444 | |||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Hansen, Josh (1500) | Won 2-0 | +181518 |
| 2sealed | 157 | Stensgard, Jordan (1500) | Lost 1-2 | -181500 |
| 3sealed | 259 | Tabacchini, Mat R (1500) | Lost 0-2 | -181482 |
| 4sealed | 461 | Johnson, Ryan L (1481) | Won 2-1 | +181500 |
| 5sealed | 365 | Dorsey, Vance e (1499) | Won 2-1 | +181518 |
| 6sealed | 168 | Kohman, Josh (1518) | Lost 0-2 | -181500 |
| average opponent: 1500record: 3-3 | new rating: 1500 | |||