Korczynska, Ewelina
Current rating: 1506
Record: 3-3
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 489 | Rountree, Jack W (1563) | Won 2-1 | +191519 |
| 2standard | 703 | Shanks, Greg (1743) | Lost 1-2 | -141505 |
| 3standard | 892 | Redfearn, Joshua D (1499) | Won 2-0 | +181523 |
| 4standard | 843 | Noer, Anders (1631) | Lost 0-2 | -161507 |
| 5standard | 938 | Riley, Neil (1499) | Won 2-0 | +181525 |
| 6standard | 856 | Jamieson, Graeme (1469) | Lost 0-2 | -191506 |
| average opponent: 1568record: 3-3 | new rating: 1506 | |||