Erol, Kayhan
Current rating: 1501
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 315 | Billondeau, Julien (1486) | Lost 1-2 | -201534 |
| 2pioneer | 425 | Barbieri, Diego (1442) | Lost 0-2 | -191515 |
| 3pioneer | 788 | Engleitner, Herbert (1725) | Lost 0-2 | -141501 |
| top | average opponent: 1551record: 0-3 | new rating: 1501 | ||
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 186 | Grove, Kevin (2044) | Won 2-1 | +271520 |
| 2standard | 84 | Porten, Andreas (1610) | Lost 0-2 | -171503 |
| 3standard | 462 | Di Gregorio, Nicolas (1461) | Won 2-0 | +181521 |
| 4standard | 230 | Giorgetti, Cesare (1518) | Draw 1-1 | 01521 |
| 5standard | 307 | Dickmann, Fabian (2000) | Won 2-1 | +261547 |
| 6standard | 189 | Wewetzer, Philipp (1614) | Won 2-0 | +191566 |
| 7standard | 111 | Hof, Tristan (1547) | Won 2-0 | +181584 |
| 8standard | 67 | Naess, Steinar (1644) | Lost 0-2 | -171567 |
| 9standard | 139 | Lau, Garry (1849) | Lost 0-2 | -131554 |
| top | average opponent: 1699record: 5-3-1 | new rating: 1554 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 519 | Gibergues, Fabien (1446) | Lost 0-0 | -191481 |
| 2standard | 621 | Kalter, Phil (1680) | Won 0-0 | +221503 |
| 3standard | 766 | Llana Ramos, Luis (1460) | Won 2-1 | +171520 |
| 4standard | 568 | Davies, Darrell (1629) | Lost 0-2 | -161504 |
| 5standard | 718 | Busch, Stefanie (1479) | Won 2-1 | +171521 |
| 6standard | 453 | Gray-Davies, Tristan (1657) | Lost 0-2 | -151506 |
| 7standard | 528 | Kawonczyk, Maciej (1774) | Lost 0-2 | -131493 |
| top | average opponent: 1589record: 3-4 | new rating: 1493 | ||