OSS Klubbmesterskap 2025 8 R 1-2

Open SwissStandard

37 players participated in this 2-round tournament, held from 18 Sept 2025 to 25 Sept 2025 in Oslo, Norway. 1 titled players from 4 federations. Top 10 Elo average was 1878, and top seed was Oluka Robert Mcligeyo (🇰🇪 KEN, CM, 2082).

Thomas Fredrik Hansen (🇳🇴 NOR, 1817) won with 2.0/2, ahead of Jorgen Kristiansen (2.0) and Oluka Robert Mcligeyo (2.0).

The biggest upset came in round 2: Oskar Lang Langmyr (1529) beat Vegard Jenslokken (1880), a +351-point gap.

Location

🇳🇴Oslo, Norway

Dates

18 Sept 2025 → 25 Sept 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 2 rounds

Top seed

🇰🇪CMOluka Robert Mcligeyo2082

Avg top 10

1,878

Participants

Titled players · 1

CM×1

Federations · 4 represented

🇳🇴Norway×33

🇰🇪Kenya×1

🇮🇷Iran×1

🇺🇦Ukraine×1

Top 3

🥇
Thomas Fredrik Hansen
🇳🇴NOR·1817
2.0pts·2441perf+11.2
🥈
Jorgen Kristiansen
🇳🇴NOR·1802
2.0pts·2351perf+7.6
🥉
CMOluka Robert Mcligeyo
🇰🇪KEN·2082
2.0pts·2572perf+5.6

Grille américaine

#	Player	Elo	Fed	R1	R2	Pts	Bu C1	Bu	SB	Perf	Δ
1	Hansen, Thomas Fredrik	1817	NOR	+17N	+10B	2.0	1.0	2.0	2.00	2441	+11.2
2	Kristiansen, Jorgen	1802	NOR	+13B	+9N	2.0	1.0	2.0	2.00	2351	+7.6
3	Oluka Robert McligeyoCM	2082	KEN	+14B	+16N	2.0	1.0	2.0	2.00	2572	+5.6
4	Abramov, Artem	1971	NOR	+19N	+15B	2.0	1.0	2.0	2.00	2489	+7.0
5	Hellebo, Trygve	1908	NOR	+30B	+11N	2.0	1.0	1.0	1.00	2487	+18.8
6	Shcherbina, Sergei	1821	UKR	+28B	+18N	2.0	1.0	1.0	1.00	2468	+12.4
7	Dao, Xuan Hoang	1808	NOR	+29N	+20B	2.0	1.0	1.0	1.00	2376	+17.2
8	van der Meulen, Andreas Jan	1812	NOR	+27B	+12N	2.0	1.0	1.0	1.00	2467	+12.4
9	Seyed Saadat, Arsalan	1575	IRI	+22B	−2B	1.0	2.0	3.0	1.00	1840	+26.0
10	Skogrand, Erik	1736	NOR	+21B	−1N	1.0	2.0	3.0	1.00	1017	-15.6
11	Bo, Martin	1782	NOR	+23N	−5B	1.0	2.0	3.0	1.00	1104	-6.6
12	Sponnich, Atle	1667	NOR	+24N	−8B	1.0	2.0	3.0	1.00	1012	-6.2
13	Langmyr, Oskar Lang	1529	NOR	−2N	+36B	1.0	2.0	2.0	0.00	1841	+28.8
14	Nilsen, Tobias G	1750	NOR	−3N	+31B	1.0	2.0	2.0	0.00	1783	+1.2
15	Bastad, Rolf Christian	1783	NOR	+34B	−4N	1.0	2.0	2.0	0.00	1726	-2.2
16	Glendrange, Gunnar	1795	NOR	+31N	−3B	1.0	2.0	2.0	0.00	1783	-0.4
17	Hansen, Erik Thorsell	1546	NOR	−1B	+32N	1.0	2.0	2.0	0.00	1017	-6.8
18	Gaure, Sigurd Lauvas	1780	NOR	+33B	−6B	1.0	2.0	2.0	0.00	1021	-8.8
19	Gagnaire, Emil	1594	NOR	−4B	+33N	1.0	2.0	2.0	0.00	1171	-3.6
20	van der Meulen, Meine	1620	NOR	+32B	−7N	1.0	2.0	2.0	0.00	1008	-10.4
21	Mortensen, Kenneth	0	NOR	−10N	+28N	1.0	1.0	1.0	0.00	1646	0.0
22	Brattgjerd, August Minh	1878	NOR	−9N	+29B	1.0	1.0	1.0	0.00	1553	-30.0
23	Hmoud, Ismael	0	NOR	−11B	+30N	1.0	1.0	1.0	0.00	1687	0.0
24	Storoy, Ole Jonny	0	NOR	−12B	+27N	1.0	1.0	1.0	0.00	867	0.0
25	Roderburg, Rolf Theodo	1765	NOR	F	+34N	1.0	0.0	0.0	0.00	2281	+3.2
26	Dienes, Tamas	1706	NOR	F	+35B	1.0	0.0	0.0	0.00	2248	+3.6
27	Grohn, Heikki	1544	NOR	−8N	−24B	0.0	2.0	3.0	0.00	1012	0.0
28	Kjonstad, Thor Ole	1557	NOR	−6N	−21B	0.0	2.0	3.0	0.00	1021	-7.2
29	Sollien, Jo Anders	1532	NOR	−7B	−22N	0.0	2.0	3.0	0.00	1043	-11.2
30	Muggerud, Steinar	1591	NOR	−5N	−23B	0.0	2.0	3.0	0.00	1104	-2.8
31	Graff, Joachim S	1492	NOR	−16B	−14N	0.0	1.0	2.0	0.00	972	-6.4
32	FIDE 556000669	0	—	−20N	−17B	0.0	1.0	2.0	0.00	783	0.0
33	Lassen, Sverre	0	NOR	−18N	−19B	0.0	1.0	2.0	0.00	887	0.0
34	Bjorkmann, Knut	1481	NOR	−15N	−25B	0.0	1.0	2.0	0.00	974	-12.4
35	Gjon, Henrik Daehan Malmo	1451	NOR	F	−26N	0.0	1.0	1.0	0.00	906	-7.2
36	Jenslokken, Vegard	1880	NOR	F	−13N	0.0	1.0	1.0	0.00	728	-17.8
37	Pettersen, Jan Erik	0	NOR	F	−?B	0.0	0.0	0.0	0.00	871	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Langmyr, Oskar LangNOR
+28.8
1.0 pts · #9
2Seyed Saadat, ArsalanIRI
+26.0
1.0 pts · #11
3Hellebo, TrygveNOR
+18.8
2.0 pts · #2

Top rating losers

1Brattgjerd, August MinhNOR
-30.0
1.0 pts · #12
2Jenslokken, VegardNOR
-17.8
0.0 pts · #36
3Skogrand, ErikNOR
-15.6
1.0 pts · #24

Biggest upsets

R2+351 Elo gap
Langmyr, Oskar Lang1529 beat Jenslokken, Vegard1880
R1+303 Elo gap
Seyed Saadat, Arsalan1575 beat Brattgjerd, August Minh1878