Koza, Tanner
Current rating: 1583
Record: 11-7
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 153 | Grosse, Adam (1429) | Won 2-0 | +161532 |
| 2legacy | 5 | Zhang, Boyang (1643) | Won 2-0 | +201552 |
| 3legacy | 110 | Farrar, Jake (1369) | Won 2-0 | +151567 |
| 4legacy | 39 | Zamora, Eddie (1860) | Won 2-0 | +231590 |
| 5legacy | 9 | Mincucci, Nick (1646) | Won 2-0 | +191609 |
| 6legacy | 8 | Claudel, Slater (1818) | Lost 0-2 | -141595 |
| 7legacy | 77 | Abenhaim, Julien (1545) | Won 2-1 | +171612 |
| 8legacy | 23 | Chilbert, Colin (1916) | Won 2-1 | +231635 |
| 9legacy | 27 | Hisert, Ross (1620) | Lost 0-2 | -181617 |
| 10legacy | 36 | Gilmore, Max (1785) | Lost 1-2 | -151602 |
| 11legacy | 43 | Chang, Leon (1555) | Lost 0-2 | -191583 |
| average opponent: 1653record: 7-4 | new rating: 1583 | |||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 968 | Yonika, Joshua (1500) | Won 2-0 | +181518 |
| 2modern | 805 | Jennings, Kevin (1504) | Won 2-0 | +181536 |
| 3modern | 720 | Dempsey, Brandon (1578) | Won 2-0 | +191555 |
| 4modern | 769 | Greene, Brian (1407) | Lost 0-2 | -211534 |
| 5modern | 830 | Riker, Thomas (1505) | Lost 1-2 | -191515 |
| 6modern | 999 | Cutler, Ben (1534) | Won 2-1 | +191534 |
| 7modern | 852 | Hacker, Ian (1534) | Lost 1-2 | -181516 |
| average opponent: 1509record: 4-3 | new rating: 1516 | |||