Konstantina Dereka vs Sotirios Georgios Koukouliatas
Konstantina Dereka (21, GRE) and Sotirios Georgios Koukouliatas (22, GRE) have met 5 times in classical OTB plus 3 rapid/blitz games. Dereka leads the classical series 3–0 (2 draws). With current classical ratings of 1762 and 1584, the Elo model gives Dereka a 71% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1762 vs 1584 (Δ +178)
With Konstantina Dereka as white
71% Konstantina12% draw17% Sotirios
With Sotirios Georgios Koukouliatas as white
62% Konstantina14% draw23% Sotirios
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Konstantina Dereka | Sotirios Georgios Koukouliatas | |
|---|---|---|
| Current rating (STD) | 1762 | 1584 |
| Peak rating | 1825 · May 2024 | 1585 · Mar 2024 |
| Peak age | 19 | 20 |
| World rank now | #88,367 | #125,498 |
| World rank peak | #59,030 | #104,745 |
| Federation rank now | #1,073 | #1,654 |
| Games (career, STD) | 609 | 195 |
| Months active | 118 | 109 |
| % white wins | 46% | 40% |
| % black wins | 47% | 36% |
| TPR last 12m (STD) | 1787 | 1939 |
| Activity 12m (games) | 52 | 3 |
Best Win
Konstantina Dereka
Sotirios Georgios Koukouliatas
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).
Konstantina Dereka
Sotirios Georgios Koukouliatas