Platt, Jacob
Current rating: 1397
Record: 4-11-1
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 472 | Federico, Kevin (1715) | Draw 1-1 | +51414 |
| 2modern | 423 | Kong, Taylor (1486) | Lost 0-2 | -171397 |
| top | average opponent: 1601record: 0-1-1 | new rating: 1397 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 486 | Leek, Ryan (1743) | Lost 1-2 | -131448 |
| A2sealed | 573 | Joly, Kyle (1526) | Lost 0-2 | -161432 |
| A3sealed | 436 | Kelly, Kenneth (1649) | Lost 1-2 | -141418 |
| B1sealed | 341 | Macanas, Dominic (1464) | Won 2-1 | +191437 |
| B2sealed | 479 | Eng, Jordan (1639) | Lost 1-2 | -151422 |
| B3sealed | 317 | Sieverkropp, Ryan (1648) | Lost 0-2 | -141408 |
| B4sealed | 414 | Woodson, Connor (1433) | Won 2-0 | +191427 |
| B5sealed | 333 | Kobashigawa, Davin (1426) | Lost 0-2 | -181409 |
| top | average opponent: 1566record: 2-6 | new rating: 1409 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 324 | Kotcher, Anthony (1500) | Lost 0-2 | -181482 |
| 2standard | 454 | Fickert, Andy (1482) | Won 2-0 | +181500 |
| 3standard | 379 | Roland, Desmond7800 (1503) | Won 2-1 | +181518 |
| 4standard | 443 | Ware, Calvin (1484) | Lost 0-2 | -191499 |
| 5standard | 414 | Reed, Matthew (1437) | Lost 1-2 | -191480 |
| 6standard | 486 | Brisson, Jason (1432) | Lost 1-2 | -191461 |
| top | average opponent: 1473record: 2-4 | new rating: 1461 | ||