Format
FO
Fossum, Oystein Boyum
FM🇳🇴FIDE 1503430· Male· Norway· Born in 1987
Follow Oystein Boyum FossumTrack his monthly FIDE ratings, games, tournaments and more.
Current rating
2318
Standard
Rpd2199·Blz2239
All-time high
2329
−11 pts below
Apr 2025 · age 38
Apr 2025 · age 38
Activity
4
games / yr avg.
4 past 12 mo
classical only
Occasional
classical only
Occasional
Signature stat
#44
in Norway · of 2,068
Career timeline
16 entries2025
All-time peak 2329
at age 38 · −11 from today
Apr 2025
2023
Peak Norwegian rank: #40
at age 36 · rated 2313
Oct 2023
Re-crossed 2300
at age 36
Feb 2023
2021
Inactive for 13 months
paused at 2299 → returned at 2308
Dec 2021
2020
FM title awardedFM
at age 33
May 2020
Crossed 2300
at age 33
Apr 2020
Recent Results (last 12 months)
Evolution
-11
2329 → 2318
Score
1.5/ 437.5%
1W1D2L
Standard rating history
Rankings
/
Norway
#44
out of 2,660 players
Europe
#2,510
in continent
World
#3,513
out of 400,000+
National ranking
Europe & World
Europe
World
Norway
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| 8 | 🇳🇴Follow Kristian Stuvik HolmTrack their monthly FIDE ratings, games, tournaments and more. | 2,496 |
| 9 | 🇳🇴Follow Jesper HallTrack their monthly FIDE ratings, games, tournaments and more. | 2,494 |
| 10 | 🇳🇴Follow Aksel Bu KvaloyTrack their monthly FIDE ratings, games, tournaments and more. | 2,490 |
| ... | ||
| 44 | 2,318 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,762 |
| 3 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 4 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,736 |
| 7 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| 9 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 10 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,715 |
| 13 | 🇩🇪Follow Matthias BluebaumTrack their monthly FIDE ratings, games, tournaments and more. | 2,695 |
| ... | ||
| 2510 | 2,318 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,810 |
| 3 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,793 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,780 |
| 5 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,762 |
| 6 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 7 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 9 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 10 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,751 |
| ... | ||
| 3513 | 2,318 | |
FIDE Games Detail
Last scraped: 2026-04-16Scrape games
6 Standard games (last 12 months)
2026-04STDElitserien 2025-2026 R 7-9Elo 2318
| Opponent | Elo | Res. | Δ Elo | ♟ |
|---|---|---|---|---|
| gGausel, Einar JNOR | 2452 | ½ | +3.8 | ♚ |
| cHammerstad, AsmundNOR | 2189 | 1 | +6.8 | ♔ |
2026-03STDElitserien 2025-2026 R 4-6Elo 2307
| Opponent | Elo | Res. | Δ Elo | ♟ |
|---|---|---|---|---|
| mVestby-Ellingsen, MadsNOR | 2386 | 0 | -8 | ♚ |
2025-12STDElitserien 2025-2026 R 1-3Elo 2315
| Opponent | Elo | Res. | Δ Elo | ♟ |
|---|---|---|---|---|
| Fossheim, YngveNOR | 2182 | 0 | -14 | ♚ |
2025-04STDNorwegian Premier League 2024-2025 R 7-9Elo 2329
| Opponent | Elo | Res. | Δ Elo | ♟ |
|---|---|---|---|---|
| fRanaldi, LucasNOR | 2364 | ½ | +1.2 | ♔ |
| gHauge, Lars OskarNOR | 2465 | ½ | +3.8 | ♚ |