Sergey Klochko vs Yulia Efremova
Sergey Klochko (50, UKR) and Yulia Efremova (39, WIM, UKR) have met 8 times in classical OTB. With current classical ratings of 2157 and 2127, the Elo model gives Klochko a 48% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2157 vs 2127 (Δ +30)
With Sergey Klochko as white
48% Sergey22% draw30% Yulia
With Yulia Efremova as white
36% Sergey26% draw38% Yulia
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Sergey Klochko | Yulia Efremova | |
|---|---|---|
| Current rating (STD) | 2157 | 2127 |
| Peak rating | 2240 · Jan 2009 | 2239 · Oct 2003 |
| Peak age | 33 | 16 |
| World rank now | #11,188 | #13,503 |
| World rank peak | #8,263 | #9,827 |
| Federation rank now | #262 | #295 |
| Games (career, STD) | 140 | 127 |
| Months active | 215 | 210 |
| % white wins | 31% | 37% |
| % black wins | 36% | 44% |
| TPR last 12m (STD) | — | — |
| Activity 12m (games) | 0 | 0 |
Best Win
Sergey Klochko
Yulia Efremova
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).
Sergey Klochko
Yulia Efremova