Slayter, William
Current rating: 1560
Record: 12-10
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 326 | Brooks, Dan (1500) | Lost 1-2 | -181476 |
| 2sealed | 464 | William, Mercedita (1482) | Won 2-0 | +181494 |
| 3sealed | 435 | Elliott, Sean (1519) | Won 2-1 | +181512 |
| 4sealed | 323 | Kiepert, Kyle (1478) | Lost 1-2 | -181494 |
| 5sealed | 321 | Jade, Luna (1500) | Won 2-0 | +181512 |
| 6sealed | 232 | Frederick, Marcus (1534) | Won 2-0 | +181530 |
| 7sealed | 200 | Olvera, Bryan (1631) | Won 2-1 | +201550 |
| 8sealed | 97 | Zlotoiabko, Boris (1696) | Won 2-0 | +211571 |
| 9sealed | 119 | Sciesinski, Marcin (1601) | Lost 1-2 | -181553 |
| 10draft | 58 | Patrick, David (1537) | Won 2-0 | +181571 |
| 11draft | 87 | Sadikin, Theodosius (1545) | Won 2-0 | +171588 |
| 12draft | 95 | Provenzano, Matthew (1575) | Won 2-0 | +181606 |
| 13draft | 61 | Hu, Shengling (1814) | Lost 0-2 | -141592 |
| 14draft | 52 | Godines, Aric (1531) | Lost 1-2 | -191573 |
| 15draft | 47 | Stout, Andy (1854) | Lost 0-2 | -131560 |
| average opponent: 1587record: 9-6 | new rating: 1560 | |||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 290 | Murphy, Catrin (1517) | Won 2-0 | +181518 |
| 4sealed | 84 | Huang, Hao-Shan (1962) | Won 2-1 | +261544 |
| 5sealed | 96 | Rasmussen, Ron (1486) | Won 2-0 | +171561 |
| 6sealed | 66 | Thor, Christopher (1608) | Lost 1-2 | -171544 |
| 7sealed | 193 | Buchanan, Jessica (1782) | Lost 1-2 | -141530 |
| 8sealed | 220 | Moss, Robert (1548) | Lost 0-2 | -181512 |
| 9sealed | 410 | Glassett, Bradley (1474) | Lost 1-2 | -181494 |
| average opponent: 1625record: 3-4 | new rating: 1494 | |||