Boysen, Michael J
Current rating: 1571
Record: 6-2-1
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 69 | Smith, Joshua M (1500) | Won 2-0 | +181518 |
| 2sealed | 125 | Davis, Andrew g (1498) | Won 2-1 | +181536 |
| 3sealed | 108 | Schriener, Dave (1536) | Won 2-0 | +181554 |
| 4sealed | 65 | Conkle, Mark (1624) | Draw 1-1 | +11555 |
| 5sealed | 70 | Haglund, Brendan (1473) | Lost 0-2 | -201535 |
| 6sealed | 155 | Cunningham, Jackson (1531) | Lost 0-2 | -181517 |
| 7sealed | 237 | Hansen, Joshua D (1517) | Won 2-0 | +181535 |
| 8sealed | 166 | Singer, Eric (1520) | Won 2-1 | +181553 |
| 9sealed | 112 | Wohlsdorf, Matt (1556) | Won 2-0 | +181571 |
| average opponent: 1529record: 6-2-1 | new rating: 1571 | |||