Simon Rybka vs Sebastian Lukas Kostolansky
Simon Rybka (20, FM, SVK) and Sebastian Lukas Kostolansky (20, IM, SVK) have met 7 times in classical OTB plus 4 rapid/blitz games. Kostolansky leads the classical series 5–0 (2 draws). With current classical ratings of 2354 and 2427, the Elo model gives Kostolansky a 42% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2354 vs 2427 (Δ -73)
With Simon Rybka as white
31% Simon26% draw42% Sebastian
With Sebastian Lukas Kostolansky as white
24% Simon22% draw54% Sebastian
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Simon Rybka | Sebastian Lukas Kostolansky | |
|---|---|---|
| Current rating (STD) | 2354-19 | 2427 |
| Peak rating | 2389 · Aug 2025 | 2444 · Nov 2025 |
| Peak age | 19 | 19 |
| World rank now | #2,617 | #1,274 |
| World rank peak | #1,901 | #1,064 |
| Federation rank now | #24 | #11 |
| Games (career, STD) | 700 | 708 |
| Months active | 140 | 133 |
| % white wins | 58% | 55% |
| % black wins | 47% | 49% |
| TPR last 12m (STD) | 2361 | 2427 |
| Activity 12m (games) | 88 | 60 |
Best Win
Simon Rybka
Sebastian Lukas Kostolansky
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (11)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Simon Rybka
Sebastian Lukas Kostolansky