FMOystein Boyum Fossum
NOR · FIDE ID 1503430 · 16 tournament games since 2020
Standard
2310
#49 in NOR (active)
Rapid
2199
#76 in NOR (active)
Blitz
2239
#61 in NOR (active)
Score
66%
7 W · 7 D · 2 L
Opp. avg
2240
Last 16 games
Last game
2026-03-07
Norwegian Team League 25/26
Prep summary
- As White: 1.Nf3 in 80% of games (scores 69%), otherwise 1.c4 (20%).
- Against 1.d4: 1...e6 in 2 of 3 games (Horwitz Defense), scoring 50%.
- By opponent strength: 38% against higher-rated players, 72% against lower-rated.
- By colour: 75% with White, 50% with Black.
- Drawish: 44% of games end in a draw.
Based on 16 over-the-board games (2 classical). 10 with White (75%), 6 with Black (50%).
Openings as White
First move
| 1.Nf3 | 8 | 69% |
| 1.c4 | 2 | 100% |
Most played
| Opening | Games | Score |
|---|---|---|
| English Opening: Symmetrical Variation | 2 | 100% |
| Zukertort Opening: Pirc Invitation | 1 | 100% |
| English Opening: Neo-Catalan | 1 | 50% |
| Nimzo-Larsen Attack: Classical Variation | 1 | 50% |
| Zukertort Opening: Sicilian Invitation | 1 | 0% |
Openings as Black
Against 1.e4 (2 games)
| 1...c5 Sicilian Defense | 1 | 0% |
| 1...e6 French Defense | 1 | 50% |
Against 1.d4 (3 games)
| 1...e6 Horwitz Defense | 2 | 50% |
| 1...Nf6 Indian Defense | 1 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Dutch Defense: Classical Variation | 1 | 50% |
| Sicilian Defense: Hyperaccelerated Dragon | 1 | 0% |
| French Defense: Schlechter Variation | 1 | 50% |
| English Opening: King's English Variation, Reversed Closed Sicilian | 1 | 100% |
| French Defense: Steinitz Variation, Boleslavsky Variation | 1 | 50% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-03-07 | Asmund Hammerstad (2189) Norwegian Team League 25/26 | W |
| 2026-03-07 | Einar J Gausel (2452) Norwegian Team League 25/26 | ½ |
| 2025-11-01 | Yngve Fossheim (2182) Norwegian Team League 25/26 | L |
| 2025-03-09 | Lars Oskar Hauge (2465) Norwegian Team League 24/25 | ½ |
| 2025-03-08 | Lucas Ranaldi (2364) Norwegian Team League 24/25 | ½ |
| 2025-02-09 | Nicolas Axel Mellem (2111) Norwegian Team League 24/25 | W |
| 2024-10-26 | Eivind Grunt Kreken (2277) Norwegian Team League 24/25 | W |
| 2024-03-09 | Tor Fredrik Kaasen (2449) Norwegian Team League Eliteserien 2023/24 | ½ |
| 2024-03-08 | Jens E Ingebretsen (2402) Norwegian Team League Eliteserien 2023/24 | L |
| 2023-10-29 | Jens Hjorth Kjolberg (2198) Norwegian Team League Eliteserien 2023/24 | W |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.