William Arntzen Walgren vs Hallvard Foss Bjornstad
William Arntzen Walgren (16, NOR) and Hallvard Foss Bjornstad (15, NOR) have met 3 times in classical OTB plus 18 rapid/blitz games. With current classical ratings of 2143 and 2023, the Elo model gives Walgren a 62% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2143 vs 2023 (Δ +120)
With William Arntzen Walgren as white
62% William17% draw21% Hallvard
With Hallvard Foss Bjornstad as white
52% William20% draw28% Hallvard
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| William Arntzen Walgren | Hallvard Foss Bjornstad | |
|---|---|---|
| Current rating (STD) | 2143 | 2023-3 |
| Peak rating | 2143 · May 2026 | 2043 · Oct 2025 |
| Peak age | 16 | 14 |
| World rank now | #11,778 | #24,131 |
| World rank peak | #11,778 | #21,046 |
| Federation rank now | #132 | #233 |
| Games (career, STD) | 282 | 325 |
| Months active | 67 | 58 |
| % white wins | 53% | 51% |
| % black wins | 51% | 47% |
| TPR last 12m (STD) | 2072 | 1975 |
| Activity 12m (games) | 115 | 213 |
Best Win
William Arntzen Walgren
Hallvard Foss Bjornstad
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (21)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
William Arntzen Walgren
Hallvard Foss Bjornstad