Bowab, Parker
Current rating: 1549
| Grand Prix Columbus 2010 (legacy) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 203 | Shimko, Steve S (1463) | Lost 0-2 | -211554 |
| 2legacy | 240 | Boggemes, Stephen (1568) | Lost 1-2 | -171537 |
| 3legacy | 249 | Young, Michael (1507) | Won 2-0 | +171554 |
| 4legacy | 214 | Reams, Hunter (1402) | Won 2-1 | +151569 |
| 5legacy | 206 | Johnson, Richard (1453) | Lost 0-2 | -201549 |
| top | average opponent: 1479record: 2-3 | new rating: 1549 | ||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 56 | Bilz, Dylan J (1465) | Won 2-0 | +161551 |
| 2legacy | 103 | Anton, Alexander (1518) | Won 2-0 | +181569 |
| 3legacy | 95 | Harvey, Eugene (1820) | Lost 0-2 | -141555 |
| 4legacy | 148 | Lee, James C (1608) | Won 2-1 | +191574 |
| 5legacy | 168 | Aldridge, Steven E (1536) | Draw 1-1 | -11573 |
| 6legacy | 123 | Grudzina, John (1532) | Won 2-0 | +181591 |
| 7legacy | 66 | Cape, Phil (1687) | Draw 1-1 | +11592 |
| 8legacy | 121 | Diefendorf, Brian (1595) | Lost 0-2 | -171575 |
| top | average opponent: 1595record: 4-2-2 | new rating: 1575 | ||
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 76 | Davidson, Michael C (1503) | Lost 1-2 | -181482 |
| 2block | 168 | Larson, Alec (1482) | Won 2-0 | +181500 |
| 3block | 122 | Avenoso, Anthony (1500) | Lost 1-2 | -181482 |
| 4block | 207 | Motta, Mike (1482) | Won 2-0 | +181500 |
| 5block | 161 | Galiley, Sam (1500) | Won 2-1 | +181518 |
| 6block | 106 | Bornhorst, Mark (1520) | Won 2-0 | +181536 |
| 7block | 70 | Brodt, Michael (1500) | Won 2-0 | +171553 |
| 8block | 42 | Ballou, Patrick (1509) | Lost 0-2 | -181535 |
| top | average opponent: 1500record: 5-3 | new rating: 1535 | ||