Zwaan, Jelle
Current rating: 1442
Record: 8-12-1
| Grand Prix Birmingham 2017 (modern) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2 | Futamata, Yojiro (1566) | Lost 0-2 | -161440 |
| 2modern | 575 | Halligan, Jordan (1464) | Lost 0-0 | -181422 |
| 3modern | 765 | McNulty, Ryan [ENG] (1394) | Won 2-0 | +181440 |
| 4modern | 625 | Kubica, Mathieu (1381) | Lost 1-2 | -191421 |
| 5modern | 765 | Ziegler, Mike (1548) | Won 2-0 | +201441 |
| 6modern | 603 | Jones, Gareth (1484) | Won 2-1 | +191460 |
| 7modern | 586 | Mahiat, Francois (1483) | Lost 1-2 | -181442 |
| top | average opponent: 1474record: 3-4 | new rating: 1442 | ||
| Grand Prix Amsterdam 2017 (AKH standard) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 38 | Geide, Hannes (1507) | Won 2-0 | +191487 |
| 2standard | 75 | Jacobs, Bob (1394) | Won 2-1 | +161503 |
| 3standard | 173 | Van Luttervelt, Dave (1565) | Won 2-1 | +191522 |
| 4standard | 153 | Gerson, Steve (1554) | Lost 1-2 | -171505 |
| 5standard | 160 | Korver, Joris (1625) | Lost 1-2 | -161489 |
| 6standard | 338 | Rieke, Konstantin (1636) | Lost 0-2 | -151474 |
| 7standard | 395 | Mubarak, Hamad (1464) | Lost 0-2 | -181456 |
| top | average opponent: 1535record: 3-4 | new rating: 1456 | ||
| Grand Prix Barcelona 2016 (SOI limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 255 | Buffin, Vincent (1577) | Won 2-0 | +201483 |
| 2sealed | 91 | Schmitz-Leuffen, Scott (1513) | Draw 1-1 | 01483 |
| 3sealed | 493 | Van der Heijden, Joris (1649) | Lost 0-2 | -151468 |
| top | average opponent: 1580record: 1-1-1 | new rating: 1468 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 352 | Buchholtz, Gregory (1473) | Lost 0-2 | -181482 |
| 2sealed | 539 | Diekmann, Dennis (1481) | Lost 0-2 | -181464 |
| 3sealed | 667 | Bosma, Mark (1444) | Won 2-0 | +171481 |
| 4sealed | 492 | Hesse, Niko (1455) | Lost 0-2 | -181463 |
| top | average opponent: 1463record: 1-3 | new rating: 1463 | ||