Tietz, Johnathan
Current rating: 1485
Record: 8-9
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 506 | Rouse, Nicholas (1498) | Won 2-0 | +171520 |
| 2modern | 340 | Lore, Nick (1651) | Won 2-0 | +211541 |
| 3modern | 302 | Summers, Gary (1538) | Lost 1-2 | -181523 |
| 4modern | 351 | Pina, Christopher (1517) | Lost 0-2 | -181505 |
| 5modern | 513 | Gnieski, Ryan (1499) | Lost 1-2 | -181487 |
| 6modern | 715 | Davis, Katherine (1457) | Won 2-0 | +171504 |
| 7modern | 521 | Dominguez, Andres (1494) | Won 2-0 | +181522 |
| 8modern | 382 | Dodge, John (1483) | Lost 1-2 | -191503 |
| 9modern | 503 | Hellmuth, Peter (1490) | Lost 0-2 | -181485 |
| average opponent: 1514record: 4-5 | new rating: 1485 | |||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 164 | Skaggs, Daniel (1488) | Won 2-1 | +181518 |
| 2modern | 175 | Cole, Travis (1592) | Won 2-0 | +191537 |
| 3modern | 113 | Ponce, Delano (1491) | Won 0-0 | +171554 |
| 4modern | 102 | Gutierrez, Rob (1416) | Lost 1-2 | -201534 |
| 5modern | 167 | Blue, Nolan (1598) | Won 2-1 | +191553 |
| 6modern | 114 | Rutland, Cassandra (1470) | Lost 0-2 | -201533 |
| 7modern | 246 | Mann, Stephen (1806) | Lost 1-2 | -131520 |
| 8modern | 241 | Clark, Tom (1534) | Lost 0-2 | -171503 |
| average opponent: 1550record: 4-4 | new rating: 1503 | |||