Jakobovits, Rex
Current rating: 1474
Record: 13-16-2
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 361 | Sturdevant, Zachary (1500) | Lost 0-2 | -181478 |
| A2sealed | 614 | Bailey, Phillip (1459) | Lost 1-2 | -181460 |
| A3sealed | 440 | Maher, Stephen (1420) | Won 2-1 | +171477 |
| A4sealed | 386 | Langford, Chris (1304) | Won 2-1 | +151492 |
| A5sealed | 254 | Ulanov, Denis (1959) | Lost 1-2 | -101482 |
| A6sealed | 308 | Hale, James (1381) | Won 2-1 | +161498 |
| A7sealed | 238 | Toussaint, Francis (1729) | Lost 0-2 | -141484 |
| A8sealed | 180 | Gilison, Daniel (1553) | Lost 0-2 | -171467 |
| B1sealed | 644 | Vanderhoof, Dustin (1560) | Won 2-0 | +201487 |
| B2sealed | 310 | Adams, Jacek (1394) | Lost 0-2 | -201467 |
| B3sealed | 400 | Jassmond, Bryce (1500) | Won 2-1 | +191486 |
| B4sealed | 194 | Hagedorn, Alex (1528) | Lost 1-2 | -171469 |
| B5sealed | 301 | Wersal, Gunther (1575) | Lost 0-2 | -161453 |
| B6sealed | 337 | Young, James [USA] (1337) | Won 2-0 | +151468 |
| B7sealed | 236 | Walker, Pierce (1689) | Won 2-0 | +221490 |
| B8sealed | 179 | Hemphill, Jeff (1569) | Lost 1-2 | -161474 |
| top | average opponent: 1529record: 7-9 | new rating: 1474 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 406 | Garcia, Manuel (1500) | Won 2-0 | +181509 |
| 2sealed | 71 | Tetlow, Adam (1649) | Lost 0-2 | -151494 |
| 3sealed | 668 | Lodes, Kyle (1454) | Draw 1-1 | -11493 |
| 4sealed | 593 | Thomas, Tyler (1539) | Lost 1-2 | -171476 |
| 5sealed | 642 | Harp, Jeremy (1433) | Won 2-1 | +171493 |
| 6sealed | 1356 | Bartholdi, Maria (1657) | Won 2-1 | +211514 |
| 7sealed | 380 | Hennessy, Garrett (1495) | Lost 0-2 | -181496 |
| top | average opponent: 1533record: 3-3-1 | new rating: 1496 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 775 | Frazier, Gene (1605) | Won 2-1 | +201520 |
| 2modern | 50 | Attakai, Leroy (1518) | Won 2-1 | +181538 |
| 3modern | 49 | Marquez, Robert (1685) | Lost 0-2 | -151523 |
| 4modern | 685 | Alvarado, Saul (1828) | Draw 1-1 | +51528 |
| 5modern | 495 | Mosqueda, Daniel (1477) | Lost 0-2 | -191509 |
| 6modern | 624 | Khan, Zeeshan (1499) | Lost 0-2 | -181491 |
| 7modern | 578 | Rhodes, Nathan (1499) | Won 2-0 | +181509 |
| 8modern | 439 | Wanlass, Brady (1524) | Lost 0-2 | -181491 |
| top | average opponent: 1579record: 3-4-1 | new rating: 1491 | ||