Grabs, Stefan
Current rating: 1482
Record: 13-15
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 378 | Schmidt, Greg (1475) | Won 2-0 | +171512 |
| 2sealed | 55 | Scribi, Scott (1478) | Won 2-0 | +181530 |
| 3sealed | 255 | Souto Silveira, Carlos Mauricio (1514) | Lost 1-2 | -191511 |
| 4sealed | 340 | Feeman, Dylan (1907) | Lost 0-2 | -111500 |
| 5sealed | 322 | Gray, George (1489) | Lost 0-2 | -181482 |
| top | average opponent: 1573record: 2-3 | new rating: 1482 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 117 | Bush, Jonathan (1598) | Won 2-1 | +211492 |
| 2modern | 368 | Arias, Jaycob (1481) | Won 2-0 | +171509 |
| 3modern | 30 | Winchester, Matthew (1538) | Won 2-1 | +191528 |
| 4modern | 196 | Sullivan, Sevan (1554) | Lost 0-2 | -181510 |
| 5modern | 171 | Kemp, Jonathan (1587) | Lost 0-2 | -161494 |
| 6modern | 407 | Searl, Leland (1569) | Won 2-0 | +191513 |
| 7modern | 266 | Ostwalt, Austin (1484) | Lost 1-2 | -181495 |
| top | average opponent: 1544record: 4-3 | new rating: 1495 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 142 | Morris, Vasili (1500) | Won 2-1 | +191479 |
| 2modern | 195 | Landey, Lee (1683) | Lost 0-2 | -141465 |
| 3modern | 566 | Glenn, Ethan (1520) | Won 2-1 | +191484 |
| 4modern | 459 | Chieng, Lawrence (1602) | Lost 0-2 | -161468 |
| 5modern | 573 | Menzies, Jason (1442) | Won 2-1 | +171485 |
| 6modern | 390 | Nix, Robert (1600) | Lost 0-2 | -161469 |
| 7modern | 385 | Ratner, Max (1499) | Lost 1-2 | -171452 |
| 8modern | 337 | Gonzalez, Christian (1532) | Won 2-0 | +191471 |
| top | average opponent: 1547record: 4-4 | new rating: 1471 | ||
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 168 | Ritchie, Travis (1433) | Lost 0-2 | -191481 |
| 2standard | 376 | Rodriguez, Gabriel [USA] (1444) | Lost 0-2 | -191462 |
| 3standard | 454 | Rolfs, Colin (1461) | Lost 1-2 | -181444 |
| 4standard | 488 | Myers, Matthew (1446) | Won 2-1 | +181462 |
| 5standard | 454 | Ngo, Scott (1454) | Won 2-1 | +181480 |
| 6standard | 349 | Weis, Kevin (1485) | Lost 0-2 | -181462 |
| 7standard | 336 | Regan, Dylan (1406) | Won 2-0 | +171479 |
| 8standard | 257 | Chelf, Ben (1431) | Lost 0-2 | -191460 |
| top | average opponent: 1445record: 3-5 | new rating: 1460 | ||