Illia Vashchenko vs Kostyantyn Petriv
Illia Vashchenko (17, UKR) and Kostyantyn Petriv (16, UKR) have never met in classical OTB, but played 12 rapid/blitz games on record. They share 49 common opponents with at least 3 games each side, providing a calibration of relative strength. With current classical ratings of 1893 and 1798, the Elo model gives Vashchenko a 60% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1893 vs 1798 (Δ +95)
With Illia Vashchenko as white
60% Illia16% draw24% Kostyantyn
With Kostyantyn Petriv as white
49% Illia19% draw32% Kostyantyn
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Illia Vashchenko | Kostyantyn Petriv | |
|---|---|---|
| Current rating (STD) | 1893 | 1798+1 |
| Peak rating | 1977 · Nov 2025 | 1798 · May 2026 |
| Peak age | 16 | 16 |
| World rank now | #49,910 | #76,945 |
| World rank peak | #30,870 | #76,945 |
| Federation rank now | #524 | #701 |
| Games (career, STD) | 121 | 31 |
| Months active | 82 | 10 |
| % white wins | 50% | 46% |
| % black wins | 46% | 49% |
| TPR last 12m (STD) | 1823 | 1644 |
| Activity 12m (games) | 449 | 339 |
Best Win
Illia Vashchenko
Kostyantyn Petriv
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (12)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Illia Vashchenko
Kostyantyn Petriv