Jonas Kallen vs Liam Simpson
Jonas Kallen (36, SWE) and Liam Simpson (29, SWE) have met 2 times in classical OTB plus 12 rapid/blitz games. With current classical ratings of 2103 and 1949, the Elo model gives Kallen a 67% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2103 vs 1949 (Δ +154)
With Jonas Kallen as white
67% Jonas15% draw18% Liam
With Liam Simpson as white
57% Jonas18% draw24% Liam
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Jonas Kallen | Liam Simpson | |
|---|---|---|
| Current rating (STD) | 2103 | 1949 |
| Peak rating | 2127 · Apr 2026 | 1949 · May 2026 |
| Peak age | 36 | 29 |
| World rank now | #15,132 | #36,909 |
| World rank peak | #13,056 | #36,905 |
| Federation rank now | #301 | #734 |
| Games (career, STD) | 288 | 180 |
| Months active | 188 | 35 |
| % white wins | 56% | 44% |
| % black wins | 56% | 51% |
| TPR last 12m (STD) | 2070 | 1851 |
| Activity 12m (games) | 168 | 218 |
Best Win
Jonas Kallen
Liam Simpson
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (14)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Jonas Kallen
Liam Simpson