Kotz, Jack
Current rating: 1436
Record: 3-7
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| B1sealed | 592 | Millbank, Nathen (1579) | Lost 1-2 | -161452 |
| B2sealed | 630 | Williams, Nicolas (1486) | Won 2-0 | +191471 |
| B3sealed | 292 | Heinonen, Chris (1518) | Lost 0-2 | -181453 |
| B4sealed | 472 | Katz, Jamie (1491) | Lost 1-2 | -171436 |
| average opponent: 1518record: 1-3 | new rating: 1436 | |||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 72 | Honer, Timothy (1500) | Won 2-0 | +181518 |
| 2standard | 120 | Holsclaw, Jeffrey (1518) | Won 2-0 | +181536 |
| 3standard | 241 | Anderson, Cody (1517) | Lost 1-2 | -181518 |
| 4standard | 400 | Turk, Brian (1742) | Lost 1-2 | -141504 |
| 5standard | 354 | Sempel, Dylan (1501) | Lost 1-2 | -181486 |
| 6standard | 528 | Caven, Dan (1500) | Lost 1-2 | -181468 |
| average opponent: 1546record: 2-4 | new rating: 1468 | |||