Kozikis, Jeffrey
Current rating: 1417
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Hine, Tyler (1464) | Won 2-1 | +181466 |
| 2sealed | 292 | Roukas, Sam (1855) | Lost 1-2 | -111455 |
| 3sealed | 522 | Shapiro, Charles (1446) | Lost 0-2 | -181437 |
| 4sealed | 581 | Magararu, Juris (1344) | Lost 0-2 | -201417 |
| top | average opponent: 1527record: 1-3 | new rating: 1417 | ||
| Grand Prix Hartford 2018 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 424 | Hall, Tanner (1570) | Lost 1-2 | -161466 |
| 2modern | 490 | Brothers, Derek (1453) | Lost 0-2 | -181448 |
| top | average opponent: 1511record: 0-2 | new rating: 1448 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 173 | Marshall, Alex (1501) | Lost 0-2 | -181482 |
| 2standard | 260 | Nesbitt, Bill (1482) | Won 2-1 | +181500 |
| 3standard | 334 | Blau, Dan (1501) | Won 2-0 | +181518 |
| 4standard | 333 | Laing, Alexander (1515) | Lost 0-2 | -181500 |
| 5standard | 332 | White, Travis (1523) | Lost 1-2 | -181482 |
| top | average opponent: 1504record: 2-3 | new rating: 1482 | ||