Birger Pedersen vs Sofie Kristine Ratama
Birger Pedersen (67, NOR) and Sofie Kristine Ratama (20, NOR) have met 8 times in classical OTB plus 15 rapid/blitz games. Ratama leads the classical series 3–1 (4 draws). With current classical ratings of 1570 and 1716, the Elo model gives Ratama a 58% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1570 vs 1716 (Δ -146)
With Birger Pedersen as white
27% Birger15% draw58% Sofie
With Sofie Kristine Ratama as white
20% Birger13% draw68% Sofie
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Birger Pedersen | Sofie Kristine Ratama | |
|---|---|---|
| Current rating (STD) | 1570 | 1716 |
| Peak rating | 1597 · Jan 2016 | 1722 · May 2024 |
| Peak age | 57 | 18 |
| World rank now | #157,767 | #100,944 |
| World rank peak | #92,179 | #88,354 |
| Federation rank now | #1,593 | #1,029 |
| Games (career, STD) | 287 | 309 |
| Months active | 134 | 114 |
| % white wins | 43% | 43% |
| % black wins | 39% | 41% |
| TPR last 12m (STD) | 1358 | — |
| Activity 12m (games) | 76 | 0 |
Best Win
Birger Pedersen
Sofie Kristine Ratama
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).
Birger Pedersen
Sofie Kristine Ratama