Isenberg, Reuben
Current rating: 1310
Record: 11-25-1
| Grand Prix Oakland 2019 (modern) | starting rating: 1333 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 16 | Weeks, Blain (1500) | Won 2-1 | +211354 |
| 2modern | 14 | Teniente, Alex (1562) | Lost 0-2 | -141340 |
| 3modern | 319 | Solano, Brian (1505) | Lost 1-2 | -151325 |
| 4modern | 415 | Taylor, Christopher (1520) | Lost 0-2 | -151310 |
| top | average opponent: 1522record: 1-3 | new rating: 1310 | ||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1359 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 198 | Machado, Zachary (1500) | Won 2-1 | +211380 |
| 2sealed | 116 | Smith, Thomas (1452) | Lost 0-2 | -171363 |
| 3sealed | 306 | Rumenapp, Chris (1530) | Lost 1-2 | -151348 |
| 4sealed | 485 | Frederick, Marcus (1501) | Lost 0-2 | -151333 |
| top | average opponent: 1496record: 1-3 | new rating: 1333 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1346 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | Fudge, Allen (1431) | Lost 0-2 | -161330 |
| 2sealed | 609 | Boehme, Victoria (1444) | Lost 1-2 | -161314 |
| 3sealed | 797 | Gray, Shane (1324) | Lost 1-2 | -181296 |
| 4sealed | 758 | Fontaine, David (1455) | Won 2-0 | +211317 |
| 5sealed | 653 | Jong, Philip (1431) | Won 2-0 | +201337 |
| 6sealed | 540 | Twardowski, John (1571) | Won 2-0 | +221359 |
| top | average opponent: 1443record: 3-3 | new rating: 1359 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1346 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 195 | Jiang, T Justin (1500) | Won 2-1 | +201366 |
| 2sealed | 85 | Cunningham, Tamsyn (1520) | Won 2-0 | +211387 |
| 3sealed | 172 | Yee-Fong, Paul (1501) | Lost 0-2 | -161371 |
| 4sealed | 688 | Edelman, Charles (1632) | Won 2-0 | +231394 |
| 5sealed | 469 | Foukarakis, Michalis (1533) | Lost 0-2 | -151379 |
| 6sealed | 612 | McGrayne, Matt (1551) | Lost 1-2 | -151364 |
| 7sealed | 661 | Reid, Jason (1393) | Lost 1-2 | -181346 |
| top | average opponent: 1519record: 3-4 | new rating: 1346 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1374 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 368 | Rodriguez, Amanda (1443) | Won 2-0 | +201394 |
| 2sealed | 343 | Grimes, Sean (1483) | Lost 0-2 | -171377 |
| 3sealed | 633 | Dodge, Joel (1503) | Lost 0-2 | -161361 |
| 4sealed | 671 | Cramer, Jack (1483) | Lost 1-2 | -151346 |
| top | average opponent: 1478record: 1-3 | new rating: 1346 | ||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 150 | Jensen, Greg (1410) | Lost 0-2 | -191425 |
| 2standard | 643 | Bartlett, Tyler (1465) | Draw 1-1 | +11426 |
| 3standard | 675 | Molitor, Tom (1482) | Lost 1-2 | -171409 |
| 4standard | 741 | Peter, Chad (1416) | Lost 1-2 | -181391 |
| 5standard | 745 | Roberts, Jeremy (1443) | Lost 1-2 | -171374 |
| top | average opponent: 1443record: 0-4-1 | new rating: 1374 | ||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 40 | Xia, Yang (1486) | Lost 0-2 | -181482 |
| 2standard | 510 | Tsukano, Jay (1483) | Lost 0-2 | -181464 |
| 3standard | 825 | Seidl, Gabe (1466) | Lost 0-2 | -181446 |
| 4standard | 858 | McIntosh, Robert (1445) | Lost 0-2 | -181428 |
| 5standard | 835 | Howard Mullan, Virginia (1331) | Lost 1-2 | -201408 |
| 6standard | 771 | Glasby, Nathan (1409) | Won 2-0 | +181426 |
| 7standard | 676 | Douglas-Mendoza, Jaiden (1429) | Won 2-0 | +181444 |
| top | average opponent: 1436record: 2-5 | new rating: 1444 | ||