kost, tylor j
Current rating: 1464
Record: 3-5
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 168 | Fredberger, Bill (1500) | Won 2-1 | +181518 |
| 2sealed | 31 | Amick, Tim (1518) | Lost 0-2 | -181500 |
| 3sealed | 311 | Hammond, John (1485) | Won 2-1 | +181518 |
| 4sealed | 228 | Mercado, Guillermo (1520) | Lost 1-2 | -181500 |
| 5sealed | 383 | Corpe, Lance (1399) | Lost 1-2 | -201480 |
| 6sealed | 335 | Hinsz, Lee (1481) | Lost 1-2 | -181462 |
| 7sealed | 267 | Crimmins, Ryan (1464) | Won 2-1 | +181480 |
| 8sealed | 198 | Belfatto, Michael (1608) | Lost 0-2 | -161464 |
| average opponent: 1497record: 3-5 | new rating: 1464 | |||