Duijn, Rik
Current rating: 1408
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 33 | Kristiansen, Kim Jang (1500) | Draw 1-1 | +11440 |
| 2modern | 317 | Farto, Vasco (1503) | Draw 1-1 | +11441 |
| 3modern | 548 | Fredriksen, Erik (1483) | Won 2-0 | +191460 |
| 4modern | 420 | Viklund, Johannes (1528) | Lost 1-2 | -171443 |
| 5modern | 509 | Wolf, Dennis (1484) | Won 2-0 | +191462 |
| 6modern | 391 | Nodtvedt, Sturla (1518) | Draw 1-1 | +11463 |
| 7modern | 366 | Manenti, Giovanni (1483) | Lost 1-2 | -181445 |
| 8modern | 340 | Wisz, Lukasz (1417) | Lost 1-2 | -181427 |
| 9modern | 281 | Nielsen, Nicolai (1378) | Lost 1-2 | -191408 |
| top | average opponent: 1477record: 2-4-3 | new rating: 1408 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 142 | Cano, Adrian (1500) | Won 2-0 | +201449 |
| 2modern | 101 | Peter, Bjorn (1458) | Draw 1-1 | 01449 |
| 3modern | 417 | Utiel Penaranda, Migue (1518) | Lost 0-2 | -171432 |
| 4modern | 607 | Santos, Joao (1465) | Won 2-0 | +191451 |
| 5modern | 402 | Cappalunga, Giulio (1580) | Lost 1-2 | -161435 |
| 6modern | 567 | de Miguel Martinez, Victor (1500) | Won 2-0 | +191454 |
| 7modern | 424 | Conde, Javier (1475) | Draw 1-1 | +11455 |
| 8modern | 433 | Ponce Herrera, Jose Manuel (1522) | Draw 1-1 | +11456 |
| 9modern | 411 | Lana Sabate, Guillem (1498) | Lost 0-2 | -171439 |
| top | average opponent: 1502record: 3-3-3 | new rating: 1439 | ||
| Grand Prix Antwerp 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 220 | Kirsch, Christian (1553) | Lost 0-2 | -171483 |
| 2modern | 558 | Hesselman, Vidar (1482) | Lost 1-2 | -181465 |
| 3modern | 694 | Reissenweber, Tobias (1473) | Lost 1-2 | -181447 |
| 4modern | 756 | Mui, Kwok Pong (1446) | Draw 1-1 | 01447 |
| 5modern | 728 | Winters, Sam (1447) | Lost 1-2 | -181429 |
| 6modern | 673 | Vernier, Roger (1444) | Draw 1-1 | 01429 |
| top | average opponent: 1474record: 0-4-2 | new rating: 1429 | ||