Perreault, Joshua
Current rating: 1550
Record: 13-11
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 273 | Mercado, Mariano (1500) | Won 2-1 | +181551 |
| 2modern | 317 | Angulo, Juanmanuel (1507) | Lost 1-2 | -191532 |
| 3modern | 399 | Weidenkeller, Conrad (1508) | Won 2-1 | +171549 |
| 4modern | 215 | Coyle, Aidan (1539) | Won 2-1 | +181567 |
| 5modern | 218 | Ryder, Adam (1524) | Lost 1-2 | -191548 |
| 6modern | 370 | Keating, Michael (1659) | Won 2-1 | +201568 |
| 7modern | 154 | Pieper, Jeff (1518) | Lost 0-2 | -191549 |
| 8modern | 309 | Zadeh, Kyle (1519) | Won 2-1 | +181567 |
| 9modern | 202 | Stojak, Peter (1629) | Lost 1-2 | -171550 |
| average opponent: 1545record: 5-4 | new rating: 1550 | |||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 689 | Prado, Zachary (1499) | Won 2-0 | +181518 |
| 2modern | 238 | Henderson II, LaVance (1539) | Won 2-0 | +181536 |
| 3modern | 83 | Meints, Reinke (1534) | Lost 0-2 | -181518 |
| 4modern | 269 | Williams, Jonathan (1672) | Won 2-0 | +211539 |
| 5modern | 155 | Dyer, Mason (1557) | Won 2-0 | +181557 |
| 6modern | 186 | Hinderaker, Michael (1656) | Won 2-1 | +201577 |
| 7modern | 30 | Martin, Logan (1738) | Lost 0-2 | -151562 |
| 8modern | 269 | Black, Kevin (1636) | Lost 0-2 | -171545 |
| 9modern | 391 | Mowry, Matthew (1682) | Won 2-0 | +211566 |
| 10modern | 155 | McMahon, Christopher (1550) | Lost 1-2 | -181548 |
| 11modern | 225 | [anonymous] | Lost 0-2 | -161532 |
| 12modern | 239 | Ulanov, Denis (1700) | Lost 0-2 | -151517 |
| 13modern | 223 | Weidenkeller, Conrad (1525) | Won 2-1 | +181535 |
| 14modern | 197 | Lopez, Hector (1507) | Won 2-0 | +181553 |
| 15modern | 166 | Doan, Ryan (1466) | Lost 1-2 | -201533 |
| average opponent: 1596record: 8-7 | new rating: 1533 | |||