Clark, Josiah
Current rating: 1434
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 422 | Riccardi, Gabriella (1500) | Lost 0-2 | -171434 |
| top | record: 0-1 | new rating: 1434 | ||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 313 | Tallman, Gage (1466) | Lost 1-2 | -181447 |
| 2modern | 370 | Kwan, Tom (1543) | Lost 0-2 | -161431 |
| 3modern | 478 | Fuchko, Kyle (1472) | Won 2-0 | +191450 |
| 4modern | 356 | Dumont, Don (1481) | Won 2-1 | +181468 |
| 5modern | 390 | Halm, Matt (1499) | Lost 0-2 | -171451 |
| top | average opponent: 1492record: 2-3 | new rating: 1451 | ||
| Grand Prix Vancouver 2014 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 13 | Mak, Dion (1533) | Lost 0-2 | -171483 |
| 2standard | 431 | Nash, Spencer (1483) | Won 2-1 | +181501 |
| 3standard | 353 | Clayton, Dailyn (1498) | Lost 1-2 | -181483 |
| 4standard | 421 | Zanetic, Ted (1511) | Lost 0-2 | -181465 |
| top | average opponent: 1506record: 1-3 | new rating: 1465 | ||