William Alexander Olsen vs Isak Vinh Brattgjerd
William Alexander Olsen (18, NOR) and Isak Vinh Brattgjerd (17, FM, NOR) have met 8 times in classical OTB plus 5 rapid/blitz games. Olsen leads the classical series 4–3 (1 draw). With current classical ratings of 2154 and 2255, the Elo model gives Brattgjerd a 48% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2154 vs 2255 (Δ -101)
With William Alexander Olsen as white
29% William23% draw48% Isak
With Isak Vinh Brattgjerd as white
22% William19% draw59% Isak
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| William Alexander Olsen | Isak Vinh Brattgjerd | |
|---|---|---|
| Current rating (STD) | 2154-1 | 2255 |
| Peak rating | 2237 · Mar 2026 | 2302 · Sep 2025 |
| Peak age | 18 | 16 |
| World rank now | #10,976 | #5,629 |
| World rank peak | #6,384 | #3,973 |
| Federation rank now | #122 | #75 |
| Games (career, STD) | 398 | 420 |
| Months active | 115 | 98 |
| % white wins | 58% | 58% |
| % black wins | 51% | 52% |
| TPR last 12m (STD) | 2148 | 2239 |
| Activity 12m (games) | 144 | 134 |
Best Win
William Alexander Olsen
Isak Vinh Brattgjerd
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (13)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
William Alexander Olsen
Isak Vinh Brattgjerd