Wieslaw Rossienik vs Grzegorz Joniak
Wieslaw Rossienik (67, POL) and Grzegorz Joniak (27, POL) have met 1 time in classical OTB plus 10 rapid/blitz games. With current classical ratings of 1713 and 1566, the Elo model gives Rossienik a 68% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1713 vs 1566 (Δ +147)
With Wieslaw Rossienik as white
68% Wieslaw13% draw20% Grzegorz
With Grzegorz Joniak as white
58% Wieslaw15% draw27% Grzegorz
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Wieslaw Rossienik | Grzegorz Joniak | |
|---|---|---|
| Current rating (STD) | 1713 | 1566 |
| Peak rating | 1713 · Mar 2024 | 1566 · Mar 2024 |
| Peak age | 65 | 25 |
| World rank now | #101,823 | #133,483 |
| World rank peak | #79,820 | #91,771 |
| Federation rank now | #2,408 | #3,340 |
| Games (career, STD) | 115 | 85 |
| Months active | 165 | 157 |
| % white wins | 25% | 23% |
| % black wins | 21% | 19% |
| TPR last 12m (STD) | — | — |
| Activity 12m (games) | 0 | 26 |
Best Win
Wieslaw Rossienik
Grzegorz Joniak
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).
Wieslaw Rossienik
Grzegorz Joniak