Mariia Berdnyk vs Sofia Kozachenko
Mariia Berdnyk (23, FM, UKR) and Sofia Kozachenko (24, UKR) have met 5 times in classical OTB plus 3 rapid/blitz games. Berdnyk leads the classical series 2–1 (2 draws). With current classical ratings of 2290 and 1951, the Elo model gives Berdnyk a 85% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2290 vs 1951 (Δ +339)
With Mariia Berdnyk as white
85% Mariia10% draw5% Sofia
With Sofia Kozachenko as white
79% Mariia12% draw9% Sofia
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Mariia Berdnyk | Sofia Kozachenko | |
|---|---|---|
| Current rating (STD) | 2290 | 1951 |
| Peak rating | 2357 · Nov 2019 | 1951 · Mar 2024 |
| Peak age | 16 | 22 |
| World rank now | #4,516 | #40,429 |
| World rank peak | #3,165 | #40,429 |
| Federation rank now | #117 | #571 |
| Games (career, STD) | 482 | 79 |
| Months active | 150 | 135 |
| % white wins | 58% | 49% |
| % black wins | 58% | 34% |
| TPR last 12m (STD) | — | — |
| Activity 12m (games) | 0 | 0 |
Best Win
Mariia Berdnyk
Sofia Kozachenko
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (8)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Mariia Berdnyk
Sofia Kozachenko