Raffel, Heiko
Current rating: 1450
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 100 | Mosel, Gerrit (1428) | Won 2-0 | +171479 |
| 2standard | 116 | Zijl, Kasper (1517) | Lost 1-2 | -171462 |
| 3standard | 323 | Glowalla, Jonas (1656) | Lost 1-2 | -151447 |
| 4standard | 515 | Bundock, Johnathan (1520) | Lost 1-2 | -161431 |
| 5standard | 506 | Mort, Luke (1412) | Won 2-1 | +171448 |
| 6standard | 420 | Van Herrewegen, Siegfried (1448) | Won 2-1 | +181466 |
| 7standard | 401 | Vainio, Aki (1553) | Lost 1-2 | -161450 |
| top | average opponent: 1505record: 3-4 | new rating: 1450 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 187 | Beenen, Gregory (1500) | Draw 0-0 | 01464 |
| 2standard | 451 | Leguiza, Angeles (1502) | Won 0-0 | +191483 |
| 3standard | 455 | Pots, Maurice (1645) | Won 2-1 | +211504 |
| 4standard | 237 | Delvigne, Emmanuel (1701) | Lost 0-2 | -151489 |
| 5standard | 447 | Mohr, Gerrit (1638) | Lost 0-2 | -151474 |
| 6standard | 583 | Diekjobst, Lukas (1802) | Lost 0-2 | -121462 |
| top | average opponent: 1631record: 2-3-1 | new rating: 1462 | ||
| Grand Prix Lille 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 289 | Ventura, Alessandro (1500) | Lost 1-2 | -181482 |
| 2legacy | 496 | Berlowski, Marcin (1513) | Won 2-1 | +191501 |
| 3legacy | 488 | DANIS, Michael (1508) | Lost 1-2 | -181483 |
| 4legacy | 631 | Rackoll, Lars (1419) | Lost 1-2 | -191464 |
| top | average opponent: 1485record: 1-3 | new rating: 1464 | ||