Marek Olszewski vs Karol Jaroch
Marek Olszewski (66, POL) and Karol Jaroch (39, POL) have met 7 times in classical OTB plus 19 rapid/blitz games. Jaroch leads the classical series 4–2 (1 draw). With current classical ratings of 1884 and 2270, the Elo model gives Jaroch a 83% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1884 vs 2270 (Δ -386)
With Marek Olszewski as white
6% Marek10% draw83% Karol
With Karol Jaroch as white
4% Marek9% draw87% Karol
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Marek Olszewski | Karol Jaroch | |
|---|---|---|
| Current rating (STD) | 1884 | 2270 |
| Peak rating | 2210 · Oct 2002 | 2271 · Feb 2017 |
| Peak age | 42 | 30 |
| World rank now | #52,131 | #5,637 |
| World rank peak | #11,994 | #5,302 |
| Federation rank now | #1,300 | #190 |
| Games (career, STD) | 344 | 638 |
| Months active | 218 | 203 |
| % white wins | 64% | 66% |
| % black wins | 58% | 59% |
| TPR last 12m (STD) | 1798 | — |
| Activity 12m (games) | 224 | 0 |
Best Win
Marek Olszewski
Karol Jaroch
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (26)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Marek Olszewski
Karol Jaroch