Julia Ostensson vs Jon Ulfur Hafthorsson
Julia Ostensson (21, SWE) and Jon Ulfur Hafthorsson (24, ISL) have met 5 times in classical OTB plus 18 rapid/blitz games. Ostensson leads the classical series 4–0 (1 draw). With current classical ratings of 2008 and 1935, the Elo model gives Ostensson a 56% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2008 vs 1935 (Δ +73)
With Julia Ostensson as white
56% Julia18% draw26% Jon
With Jon Ulfur Hafthorsson as white
45% Julia22% draw34% Jon
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Julia Ostensson | Jon Ulfur Hafthorsson | |
|---|---|---|
| Current rating (STD) | 2008 | 1935+22 |
| Peak rating | 2028 · Nov 2024 | 1935 · May 2026 |
| Peak age | 19 | 24 |
| World rank now | #26,261 | #39,896 |
| World rank peak | #21,630 | #39,896 |
| Federation rank now | #538 | #141 |
| Games (career, STD) | 511 | 257 |
| Months active | 107 | 57 |
| % white wins | 47% | 41% |
| % black wins | 45% | 35% |
| TPR last 12m (STD) | 1940 | 1762 |
| Activity 12m (games) | 124 | 87 |
Best Win
Julia Ostensson
Jon Ulfur Hafthorsson
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (23)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Julia Ostensson
Jon Ulfur Hafthorsson