Prohll, Heiko
Current rating: 1393
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 396 | Llinares, Leo (1564) | Lost 0-2 | -151407 |
| 2sealed | 581 | Breach, Oskar (1428) | Lost 1-2 | -181389 |
| 3sealed | 901 | Touchais, Maxime (1450) | Won 2-0 | +191408 |
| 4sealed | 795 | Martin, Maxime (1541) | Lost 0-2 | -151393 |
| top | average opponent: 1496record: 1-3 | new rating: 1393 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2180 | Hahn, Fabian (1831) | Lost 0-2 | -121456 |
| 4sealed | 2257 | Jorgensen, Helene (1517) | Lost 1-2 | -171439 |
| 5sealed | 2240 | Jastrzebowski, Pawel (1503) | Lost 1-2 | -171422 |
| top | average opponent: 1617record: 0-3 | new rating: 1422 | ||
| Grand Prix Milan 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 192 | Hollos, Peter (1718) | Lost 0-2 | -141486 |
| 4sealed | 336 | Rabouh, Omar (1523) | Lost 1-2 | -171469 |
| 5sealed | 385 | Body, John (1421) | Won 2-1 | +171486 |
| 6sealed | 327 | Koenders, Roderik (1487) | Lost 1-2 | -181468 |
| top | average opponent: 1537record: 1-3 | new rating: 1468 | ||