Sergienko, Aleksey
Current rating: 1506
Record: 3-3
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 440 | Grygar, Jan (1663) | Won 2-0 | +211521 |
| 2sealed | 335 | Jirkal, Tomas (1721) | Lost 1-2 | -141507 |
| 3sealed | 365 | Stepien, Szymon (1518) | Won 2-0 | +181525 |
| 4sealed | 213 | Sados, Marcin (1674) | Won 2-1 | +201545 |
| 5sealed | 176 | Zimmermann, Bob (1409) | Lost 1-2 | -201525 |
| 6sealed | 274 | Szyk, Andrzej (1490) | Lost 1-2 | -191506 |
| average opponent: 1579record: 3-3 | new rating: 1506 | |||