Kahm, Joey
Current rating: 1427
Record: 0-4
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Boyd, Khaatim (1416) | Lost 0-2 | -201480 |
| 2sealed | 309 | Benassi, Justin M (1482) | Lost 1-2 | -171463 |
| 3sealed | 350 | Bisphlinghoff, Brian (1465) | Lost 1-2 | -181445 |
| 4sealed | 361 | Benson, Marjace (1495) | Lost 0-2 | -181427 |
| average opponent: 1465record: 0-4 | new rating: 1427 | |||