shirek, kenneth a
Current rating: 1602
Record: 10-5-1
| Grand Prix Dallas 2007 (extended) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 73 | Henry, Clinton (1500) | Won 2-0 | +171556 |
| 2extended | 123 | Tamblyn, Mitchell (1728) | Lost 0-2 | -151541 |
| 3extended | 185 | Hall, Graham D (1500) | Won 0-0 | +171558 |
| 4extended | 200 | Ochoa, David (1692) | Won 2-1 | +211579 |
| 5extended | 106 | Heminway, Curtis (1536) | Won 2-0 | +171596 |
| 6extended | 61 | Harvey, Eugene (1842) | Lost 1-2 | -141582 |
| 7extended | 83 | Wolansky, Steven (1780) | Won 2-1 | +221604 |
| 8extended | 48 | Goodwin, Luke (1538) | Lost 1-2 | -191585 |
| 9extended | 72 | Quinones, Roberto R (1521) | Won 2-1 | +171602 |
| average opponent: 1626record: 6-3 | new rating: 1602 | |||
| Grand Prix Houston 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 38 | Menzer, Tony (1500) | Lost 0-2 | -181482 |
| 2extended | 94 | Harcourt, Daniel (1482) | Won 2-0 | +181500 |
| 3extended | 78 | Blanchard, Wes (1500) | Draw 1-1 | 01500 |
| 4extended | 95 | Haber, Steven (1500) | Won 1-0 | +181518 |
| 5extended | 67 | Thompson, Keith (1534) | Won 2-0 | +181536 |
| 6extended | 47 | O'Mahoney-Schwartz, Daniel (1666) | Lost 0-2 | -151521 |
| 7extended | 61 | Underwood, Justin (1518) | Won 2-0 | +181539 |
| average opponent: 1528record: 4-2-1 | new rating: 1539 | |||