Lacey, Joshua
Current rating: 1448
| Grand Prix Toronto 2018 (modern) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 524 | Armstrong, Ryan (1494) | Won 2-0 | +181502 |
| 2modern | 359 | Abela, Logan (1518) | Lost 0-2 | -181484 |
| 3modern | 399 | Raposo, Jordan (1468) | Lost 0-2 | -181466 |
| 4modern | 618 | Cardin, Thomas (1482) | Lost 0-2 | -181448 |
| top | average opponent: 1491record: 1-3 | new rating: 1448 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 417 | Bender, Douglas (1500) | Lost 0-2 | -181481 |
| 2modern | 1014 | Frank, Andrew 486 (1482) | Won 2-0 | +181499 |
| 3modern | 596 | Kim, Alexander (1418) | Lost 0-2 | -191480 |
| 4modern | 1099 | Roguske, Brandon (1478) | Won 2-0 | +181498 |
| 5modern | 556 | Bowman, Adam (1644) | Lost 1-2 | -161482 |
| 6modern | 935 | Ngo, Danny (1554) | Won 2-0 | +201502 |
| 7modern | 700 | Scott, Alexander (1499) | Lost 0-2 | -181484 |
| top | average opponent: 1511record: 3-4 | new rating: 1484 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 144 | Trinidad, Joseph (1484) | Lost 0-2 | -181482 |
| 2standard | 324 | Ulrich, Justin (1448) | Lost 0-2 | -191463 |
| 3standard | 420 | Hubler, Matthew (1464) | Won 2-1 | +181481 |
| 4standard | 331 | Brand, Christopher (1482) | Won 2-0 | +181499 |
| 5standard | 246 | Polzin, Andy (1502) | Won 0-0 | +181517 |
| 6standard | 245 | Manning, Brandon (1519) | Lost 0-2 | -181499 |
| top | average opponent: 1483record: 3-3 | new rating: 1499 | ||