Pollack, Hayley
Current rating: 1418
Record: 16-22
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 293 | Green, Jesse (1500) | Lost 1-2 | -171434 |
| 2sealed | 414 | Krusinski, Michael (1477) | Won 2-1 | +191453 |
| 3sealed | 431 | Stitelman, Ori (1500) | Lost 1-2 | -171436 |
| 4sealed | 507 | Reid, Robert (1411) | Lost 1-2 | -181418 |
| top | average opponent: 1472record: 1-3 | new rating: 1418 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 448 | Hawron, Richard (1523) | Won 2-0 | +191460 |
| 2modern | 183 | Vandewouwer, Matthew (1518) | Lost 1-2 | -171443 |
| 3modern | 530 | Johnson, Adam (1422) | Lost 0-2 | -181425 |
| 4modern | 745 | Dempster, Darin (1460) | Lost 1-2 | -171408 |
| 5modern | 721 | Alfaro, Miguel (1463) | Won 2-0 | +191427 |
| 6modern | 525 | Sherman, Justin (1555) | Won 2-0 | +201447 |
| 7modern | 386 | Olvera, Bryan (1621) | Won 2-1 | +211468 |
| 8modern | 274 | Higganbotham, Andrew (1537) | Lost 0-2 | -171451 |
| top | average opponent: 1513record: 4-4 | new rating: 1451 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 371 | Ni, Jack (1500) | Lost 1-2 | -181450 |
| 2modern | 508 | Matchniff, Paul (1502) | Won 2-1 | +191469 |
| 3modern | 252 | Stoute, Terry (1743) | Won 2-1 | +231492 |
| 4modern | 282 | Hendrix, Carl (1631) | Lost 0-2 | -151477 |
| 5modern | 294 | Groot, Evan (1484) | Lost 1-2 | -181459 |
| 6modern | 425 | Lindley, Robert (1471) | Lost 1-2 | -181441 |
| top | average opponent: 1555record: 2-4 | new rating: 1441 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 266 | Hernandez, Sidney (1386) | Won 2-0 | +161492 |
| 2modern | 162 | Parseghian, Carlo (1518) | Won 2-0 | +191511 |
| 3modern | 258 | Aras, Can (1521) | Won 2-1 | +181529 |
| 4modern | 41 | Eakins, Loren (1869) | Lost 0-2 | -121517 |
| 5modern | 216 | Wang, Jiuyang (1686) | Lost 1-2 | -151502 |
| 6modern | 396 | Cating, Brandon (1531) | Lost 0-2 | -181484 |
| 7modern | 431 | Centeno, David (1558) | Lost 0-2 | -161468 |
| top | average opponent: 1581record: 3-4 | new rating: 1468 | ||
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 156 | Harris, Tyler (1394) | Lost 1-2 | -201476 |
| 2standard | 362 | Cuevas, Antonio (1508) | Lost 0-2 | -171459 |
| 3standard | 496 | Leahy, Nathan (1412) | Won 2-1 | +171476 |
| 4standard | 466 | Voight, Steven (1451) | Won 2-0 | +181494 |
| 5standard | 328 | Orosz, Aaron (1502) | Lost 0-2 | -181476 |
| top | average opponent: 1454record: 2-3 | new rating: 1476 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 692 | Desai, Daniel (1613) | Lost 0-2 | -161484 |
| 2modern | 700 | McGee, Mark (1314) | Won 2-1 | +151499 |
| 3modern | 803 | Ruggles, Aleczander (1417) | Lost 0-2 | -191480 |
| 4modern | 708 | Chan, Chung (1483) | Lost 0-2 | -181462 |
| 5modern | 788 | Bruton, Kyler (1412) | Won 2-0 | +171479 |
| 6modern | 704 | Holmberg, Robert (1476) | Won 2-1 | +181497 |
| 7modern | 511 | Collins, Oscar (1485) | Won 2-0 | +171514 |
| 8modern | 403 | Walter, Jeff (1498) | Lost 0-2 | -181496 |
| top | average opponent: 1462record: 4-4 | new rating: 1496 | ||