Ronny Heijdenberg vs Jonatan Akeborg
Ronny Heijdenberg (59, SWE) and Jonatan Akeborg (21, SWE) have met 3 times in classical OTB plus 7 rapid/blitz games. Akeborg leads the classical series 3–0 (0 draws). With current classical ratings of 1841 and 1939, the Elo model gives Akeborg a 49% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1841 vs 1939 (Δ -98)
With Ronny Heijdenberg as white
31% Ronny20% draw49% Jonatan
With Jonatan Akeborg as white
24% Ronny16% draw60% Jonatan
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Ronny Heijdenberg | Jonatan Akeborg | |
|---|---|---|
| Current rating (STD) | 1841 | 1939 |
| Peak rating | 1905 · Nov 2013 | 2004 · Apr 2026 |
| Peak age | 46 | 21 |
| World rank now | #63,923 | #39,012 |
| World rank peak | #44,613 | #26,911 |
| Federation rank now | #1,267 | #770 |
| Games (career, STD) | 274 | 246 |
| Months active | 152 | 48 |
| % white wins | 51% | 50% |
| % black wins | 34% | 44% |
| TPR last 12m (STD) | 1682 | 1939 |
| Activity 12m (games) | 64 | 136 |
Best Win
Ronny Heijdenberg
Jonatan Akeborg
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (10)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Ronny Heijdenberg
Jonatan Akeborg