Tjark Vos vs Zyon Kollen
Tjark Vos (30, CUR) and Zyon Kollen (31, FM, NED) have met 5 times in classical OTB. With current classical ratings of 2201 and 2339, the Elo model gives Kollen a 54% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2201 vs 2339 (Δ -138)
With Tjark Vos as white
25% Tjark21% draw54% Zyon
With Zyon Kollen as white
18% Tjark18% draw64% Zyon
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Tjark Vos | Zyon Kollen | |
|---|---|---|
| Current rating (STD) | 2201 | 2339 |
| Peak rating | 2247 · Oct 2017 | 2388 · May 2025 |
| Peak age | 21 | 30 |
| World rank now | #8,115 | #2,969 |
| World rank peak | #6,496 | #1,930 |
| Federation rank now | #1 | #87 |
| Games (career, STD) | 642 | 590 |
| Months active | 183 | 187 |
| % white wins | 46% | 49% |
| % black wins | 37% | 32% |
| TPR last 12m (STD) | 2226 | 2142 |
| Activity 12m (games) | 41 | 25 |
Best Win
Tjark Vos
Zyon Kollen
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (5)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Tjark Vos
Zyon Kollen