Jantz, Josh
Current rating: 1450
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 292 | Gruneich, Timothy (1594) | Lost 0-2 | -161448 |
| 2standard | 288 | Gasior, Stephen (1413) | Won 2-1 | +171465 |
| 3standard | 304 | Ingram, Michael (1577) | Lost 1-2 | -161449 |
| 4standard | 293 | Hawron, Richard (1497) | Won 0-0 | +191468 |
| 5standard | 259 | Churchill, Ken (1444) | Lost 0-2 | -181450 |
| top | average opponent: 1505record: 2-3 | new rating: 1450 | ||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 518 | Wyss, Thomas (1500) | Lost 0-2 | -171464 |
| top | record: 0-1 | new rating: 1464 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 469 | Honaker, Dakota (1500) | Won 2-1 | +181518 |
| 2modern | 281 | Kim, Sung (1537) | Lost 0-2 | -181500 |
| 3modern | 498 | Sullivan, Benjamin (1485) | Lost 0-0 | -181482 |
| 4modern | 518 | Risenhoover, Fletcher (1438) | Won 2-1 | +171499 |
| 5modern | 420 | Jacobo, Josh (1504) | Lost 1-2 | -181481 |
| top | average opponent: 1493record: 2-3 | new rating: 1481 | ||