Gijselhart, Joost
Current rating: 1426
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 298 | Petersen, Marc (1553) | Won 2-0 | +201450 |
| 2sealed | 451 | Wiederkehr, Thomas (1617) | Won 2-0 | +211471 |
| 3sealed | 77 | Fedorov, Grigory (1536) | Lost 0-2 | -171454 |
| 4sealed | 457 | Lorenz, Konstantin (1844) | Lost 0-2 | -111443 |
| 5sealed | 373 | Falcone, Francesco (1504) | Lost 1-2 | -171426 |
| top | average opponent: 1611record: 2-3 | new rating: 1426 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 329 | Groot, Wessel (1481) | Lost 1-2 | -181463 |
| 2sealed | 410 | Thies, Patrick (1482) | Won 2-0 | +191482 |
| 3sealed | 478 | Schmitz, Merlin (1498) | Lost 1-2 | -181464 |
| 4sealed | 570 | Dooley, Justyn (1551) | Lost 1-2 | -171447 |
| 5sealed | 526 | Ouwersloot, Rob (1462) | Lost 0-2 | -171430 |
| top | average opponent: 1495record: 1-4 | new rating: 1430 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 136 | Van Zutphen, Timothy (1500) | Won 2-0 | +181518 |
| 2legacy | 44 | Cano Garcia, Jaime (1463) | Won 2-1 | +171535 |
| 3legacy | 20 | Mathiasson, Mikael (1455) | Lost 0-2 | -191516 |
| 4legacy | 172 | Dudognon, Yohan (1585) | Lost 0-2 | -171499 |
| 5legacy | 323 | Van Til, Wouter W (1497) | Lost 1-2 | -181481 |
| 6legacy | 342 | Rygnes, Christian (1481) | Won 2-0 | +181499 |
| 7legacy | 242 | Knight, Josh (1521) | Lost 0-2 | -181481 |
| top | average opponent: 1500record: 3-4 | new rating: 1481 | ||