Rieken, Edgar
Current rating: 1544
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 259 | Elings, Indra (1500) | Won 2-0 | +171557 |
| 2pioneer | 309 | Henry, Tristan (1519) | Won 2-1 | +181575 |
| 3pioneer | 70 | Mostyn, George (1562) | Won 2-0 | +171592 |
| 4pioneer | 122 | Calf, David (1750) | Lost 0-2 | -151577 |
| 5pioneer | 272 | Garcia Esquerdo, Joan (1760) | Draw 1-1 | +31580 |
| 6pioneer | 243 | Trujillo, Esther (1653) | Lost 0-2 | -161564 |
| 7pioneer | 378 | Delafosse, Quentin (1519) | Lost 0-2 | -191545 |
| 8pioneer | 358 | Olmos, Victor (1480) | Draw 1-1 | -11544 |
| top | average opponent: 1593record: 3-3-2 | new rating: 1544 | ||
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 402 | Weber, Patrick (1495) | Won 2-0 | +181523 |
| 2sealed | 356 | Riegler, Moritz (1508) | Won 2-0 | +171540 |
| 3sealed | 79 | Krieger, Philipp (1811) | Won 2-1 | +231563 |
| 4sealed | 167 | Shahshahani, Ramtin (1560) | Lost 0-2 | -181545 |
| 5sealed | 320 | Fasel, Pascal (1493) | Won 2-1 | +171562 |
| 6sealed | 111 | Wahlstrom, Erik (1515) | Lost 0-2 | -191543 |
| 7sealed | 337 | Ciotta, Andrea (1723) | Lost 0-2 | -141529 |
| 8sealed | 275 | Kecke, Paul (1151) | Won 2-1 | +111540 |
| top | average opponent: 1532record: 5-3 | new rating: 1540 | ||
| Grand Prix Lille 2018 (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 53 | Giroud, Pierre (1541) | Won 2-1 | +191519 |
| 4standard | 58 | Bresser, Nick (1659) | Lost 1-2 | -161503 |
| 5standard | 227 | Body, John (1538) | Lost 1-2 | -171486 |
| 6standard | 246 | [anonymous] | Lost 0-2 | -181468 |
| 7standard | 363 | Latour, Benoit (1576) | Won 2-0 | +201488 |
| 8standard | 334 | Schepman, Patrick (1432) | Won 2-0 | +171505 |
| top | average opponent: 1538record: 3-3 | new rating: 1505 | ||