DeHaan, Joshua
Current rating: 1429
Record: 3-7
| Grand Prix Toronto 2019 (modern) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 122 | Ueda, Shota (1445) | Lost 1-2 | -181444 |
| 2modern | 344 | Banks, Jacob (1482) | Won 2-0 | +191463 |
| 3modern | 486 | Chanphakeo, William (1525) | Lost 1-2 | -171446 |
| 4modern | 433 | Anbarsoun, Steven (1497) | Lost 1-2 | -171429 |
| average opponent: 1487record: 1-3 | new rating: 1429 | |||
| Grand Prix Toronto 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 301 | Carr, George (1554) | Won 2-0 | +191519 |
| 2modern | 75 | Galizio, Santino (1489) | Won 2-0 | +171536 |
| 3modern | 309 | Ruiz, Matthew (1369) | Lost 0-2 | -211515 |
| 4modern | 295 | Baranov, Michael (1522) | Lost 0-2 | -171498 |
| 5modern | 578 | Sebuhyan, Levon (1504) | Lost 0-2 | -181480 |
| 6modern | 616 | Shpiragu, Arber (1507) | Lost 0-2 | -181462 |
| average opponent: 1491record: 2-4 | new rating: 1462 | |||