Sergei Ovsejevitsch vs Leonardo Costa
Sergei Ovsejevitsch (49, GM, UKR) and Leonardo Costa (18, GM, GER) have met 8 times in classical OTB. Ovsejevitsch leads the classical series 3–0 (5 draws). With current classical ratings of 2564 and 2540, the Elo model gives Ovsejevitsch a 45% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2564 vs 2540 (Δ +24)
With Sergei Ovsejevitsch as white
45% Sergei26% draw29% Leonardo
With Leonardo Costa as white
34% Sergei29% draw37% Leonardo
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Sergei Ovsejevitsch | Leonardo Costa | |
|---|---|---|
| Current rating (STD) | 2564 | 2540-16 |
| Peak rating | 2617 · Oct 2019 | 2556 · Apr 2026 |
| Peak age | 42 | 18 |
| World rank now | #254 | #364 |
| World rank peak | #179 | #284 |
| Federation rank now | #15 | #17 |
| Games (career, STD) | 939 | 899 |
| Months active | 218 | 126 |
| % white wins | 65% | 46% |
| % black wins | 54% | 41% |
| TPR last 12m (STD) | 2946 | 2520 |
| Activity 12m (games) | 5 | 90 |
Best Win
Sergei Ovsejevitsch
Leonardo Costa
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).
Sergei Ovsejevitsch
Leonardo Costa