Lacey, William
Current rating: 1526
Record: 10-11
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 12 | Hadfield, Kyle (1635) | Won 2-1 | +211467 |
| 2sealed | 59 | Castro, Nicolas (1518) | Won 2-0 | +191486 |
| 3sealed | 16 | Locklear, David (1487) | Won 2-0 | +181504 |
| 4sealed | 14 | McNeil, William (1572) | Lost 1-2 | -161488 |
| 5sealed | 65 | Rauchman, Patrick (1522) | Won 2-1 | +181506 |
| 6sealed | 91 | Strasler, Luke (1696) | Lost 1-2 | -141492 |
| 7sealed | 74 | Krzys, Kodie (1586) | Won 2-1 | +191511 |
| 8sealed | 92 | Lowe, Tony (1459) | Won 2-0 | +171528 |
| 9sealed | 58 | Siow, Lucas (2082) | Lost 1-2 | -81520 |
| 10draft | 29 | Riley, Andrew (1564) | Won 2-0 | +181538 |
| 11draft | 25 | Dhaliwal, Shawn (1994) | Lost 0-2 | -101528 |
| 12draft | 29 | Snyder, Daniel (1602) | Lost 0-2 | -161512 |
| 13draft | 30 | Duterte, Daniel (1888) | Won 2-0 | +241536 |
| 14draft | 57 | Hill, Tyler (1973) | Lost 1-2 | -101526 |
| 15draft | 49 | Pham, Nhi (1750) | ID | 01526 |
| average opponent: 1688record: 8-6-1 | new rating: 1526 | |||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 166 | Weinberg, Max (1500) | Lost 1-2 | -181482 |
| 2sealed | 352 | Johnson, Daniel (1577) | Lost 1-2 | -161466 |
| 3sealed | 522 | Wolfrom, Kenny (1467) | Won 2-0 | +181484 |
| 4sealed | 486 | Sigg, Andrew (1496) | Lost 1-2 | -181466 |
| 5sealed | 457 | Turk, Gabriel (1465) | Lost 0-2 | -181448 |
| 6sealed | 401 | Kaufmann, Alanna (1378) | Won 2-0 | +171465 |
| 7sealed | 332 | Nakano, Ryuma (1431) | Lost 1-2 | -191446 |
| average opponent: 1473record: 2-5 | new rating: 1446 | |||