Wojtowicz, Michael
Current rating: 1432
| Grand Prix Toronto 2006 (DIS limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Beckemeyer, Dustin (1502) | Lost 0-2 | -181449 |
| 2sealed | 188 | Perry, Yoni (1482) | Lost 0-2 | -171432 |
| top | average opponent: 1492record: 0-2 | new rating: 1432 | ||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 119 | Russell, Paul (1500) | Won 2-0 | +191483 |
| 2block | 88 | Hiroki, Kenta (1517) | Lost 0-2 | -181465 |
| 3block | 131 | Duncker, Conrad (1531) | Won 2-0 | +191484 |
| 4block | 85 | Martinez, Chris 2 (1502) | Lost 0-2 | -171467 |
| top | average opponent: 1512record: 2-2 | new rating: 1467 | ||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Krempels, Craig (1497) | Lost 0-2 | -181482 |
| 2sealed | 261 | Makula, Jebediah J (1481) | Lost 0-2 | -181464 |
| top | average opponent: 1489record: 0-2 | new rating: 1464 | ||