Kourkoulas, Nikolaos
Current rating: 1489
Record: 6-7
| Grand Prix Barcelona 2018 (modern) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 439 | Marcet, Santiago (1500) | Won 2-0 | +181542 |
| 2modern | 349 | Wiek, Fabian (1519) | Lost 0-2 | -181524 |
| 3modern | 514 | Lokar, Jan Ivan (1622) | Lost 1-2 | -171507 |
| 4modern | 539 | Pinzon Rios, Jefferson Andres (1485) | Won 2-1 | +181525 |
| 5modern | 582 | Firsching, Christian (1554) | Lost 0-2 | -171508 |
| 7modern | 503 | Igea Gomez, Mateo (1465) | Lost 0-2 | -191489 |
| average opponent: 1524record: 2-4 | new rating: 1489 | |||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 122 | Barber, Freddie (1623) | Won 2-1 | +201520 |
| 4standard | 63 | Katerinov, Delian (1519) | Won 2-0 | +181538 |
| 5standard | 6 | Smith, Daniel G (1615) | Won 2-0 | +201558 |
| 6standard | 10 | Ward, Jonathan (1595) | Lost 0-2 | -181540 |
| 7standard | 51 | Dowse-Brenan, George (1565) | Won 2-0 | +191559 |
| 8standard | 47 | Himpe, Arno (1525) | Lost 1-2 | -191540 |
| 9standard | 39 | Harding, Conor (1668) | Lost 0-2 | -161524 |
| average opponent: 1587record: 4-3 | new rating: 1524 | |||