Tietz, Josh
Current rating: 1435
Record: 2-6
| Grand Prix Kansas City 2013 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 142 | Picard, Pete (1640) | Lost 0-2 | -141432 |
| 2modern | 350 | Steinke, Scott W (1482) | Won 2-0 | +191451 |
| 3modern | 322 | Kanallakan, Andrew (1498) | Lost 1-2 | -171434 |
| 4modern | 386 | Slick, Joshua (1481) | Won 2-1 | +191453 |
| 5modern | 334 | Halder, Jason (1464) | Lost 0-2 | -181435 |
| average opponent: 1513record: 2-3 | new rating: 1435 | |||
| Grand Prix Kansas City 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Messa, Tyrus L (1500) | Lost 0-2 | -181482 |
| 2sealed | 325 | Novenario, Jeffery (1484) | Lost 1-2 | -181464 |
| 3sealed | 368 | Gray, Quanah (1483) | Lost 1-2 | -181446 |
| average opponent: 1489record: 0-3 | new rating: 1446 | |||