Grindlinger, Robert
Current rating: 1578
Record: 22-19
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 67 | Chalecki Cuenca, Eddie (1761) | Won 2-0 | +211610 |
| 2modern | 336 | Gray, Shane (1363) | Lost 1-2 | -221588 |
| 3modern | 623 | Keegan, Cody (1493) | Lost 1-2 | -201568 |
| 4modern | 562 | Pedersen, Curtis (1394) | Won 2-1 | +151583 |
| 5modern | 461 | Yang, Daniel 0223 (1504) | Lost 1-2 | -201563 |
| 6modern | 501 | Russell, Shane (1485) | Lost 0-2 | -191544 |
| 7modern | 438 | Allen, Nolan (1471) | Won 2-1 | +171561 |
| 8modern | 372 | Azadian, Shaunt (1531) | Won 2-1 | +171578 |
| top | average opponent: 1500record: 4-4 | new rating: 1578 | ||
| Grand Prix Oakland 2019 (modern) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 272 | Wagenfuhr, Michael (1524) | Won 2-0 | +181561 |
| 2modern | 119 | Marino, Ryan (1554) | Won 2-1 | +171578 |
| 3modern | 123 | Van Note, Eric (1537) | Won 2-1 | +181596 |
| 4modern | 103 | Wang, Wilson (1807) | Won 2-1 | +211617 |
| 5modern | 35 | Anghelescu, Jonathan (1766) | Lost 0-2 | -151602 |
| 6modern | 68 | Cua, Paolo (1674) | Lost 0-2 | -171585 |
| 7modern | 151 | Battle, Benjamin R (1673) | Lost 0-2 | -161569 |
| 8modern | 220 | Wickesberg, Matthew (1671) | Won 2-0 | +201589 |
| top | average opponent: 1651record: 5-3 | new rating: 1589 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 332 | Ferriole Rice, Colton (1497) | Won 2-1 | +171519 |
| 2modern | 164 | Clemmons, Adam (1530) | Won 2-0 | +191538 |
| 3modern | 340 | Ahn, Sung-Jin (1856) | Lost 0-2 | -131525 |
| 4modern | 417 | Kiyonaga, Case (1536) | Lost 1-2 | -181507 |
| 5modern | 427 | Smith, Matthew 6702 (1500) | Lost 1-2 | -181489 |
| 6modern | 591 | Gullickson, Christopher (1482) | Won 2-0 | +181507 |
| 7modern | 396 | Kaylor, Taran (1517) | Won 2-0 | +181525 |
| 8modern | 310 | Zolovick, Kud (1496) | Won 2-0 | +181543 |
| top | average opponent: 1552record: 5-3 | new rating: 1543 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 638 | Arias, Jaycob (1498) | Won 2-1 | +191463 |
| 2modern | 312 | Pang, Rui (1518) | Won 2-1 | +191482 |
| 3modern | 194 | Turnbull, Grady (1512) | Won 2-0 | +181500 |
| 4modern | 97 | Joseph, Leon (1673) | Won 2-0 | +211521 |
| 5modern | 87 | Juza, Martin (1850) | Lost 0-2 | -121509 |
| 6modern | 1322 | Jensen, William (2113) | Lost 1-2 | -81501 |
| 7modern | 1326 | Chan, Ka Long (1493) | Lost 0-2 | -181483 |
| 8modern | 358 | Hergenroeder, Joseph (1527) | Won 2-1 | +191502 |
| top | average opponent: 1648record: 5-3 | new rating: 1502 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 749 | Foltz, Daniel (1433) | Lost 0-2 | -191481 |
| 2modern | 651 | Tataropoulos, Kostas (1532) | Lost 0-2 | -171464 |
| 3modern | 1316 | Adame, Andre (1467) | Lost 0-2 | -181446 |
| 4modern | 1426 | Sriram, Shruthi (1445) | Won 2-1 | +181464 |
| 5modern | 1324 | Nelson, Eric (1445) | Lost 1-2 | -191445 |
| 6modern | 1228 | Sulak, Andrew (1620) | Lost 0-2 | -141431 |
| 7modern | 1116 | Lotero, Ariel (1274) | Lost 0-2 | -211410 |
| 8modern | 931 | Russell, Brandon (1333) | Won 2-0 | +161426 |
| 9modern | 778 | Finch, Daniel (1384) | Won 2-0 | +181444 |
| top | average opponent: 1437record: 3-6 | new rating: 1444 | ||