CChessStats

Sotra SK Host 2025 R 4-6

Open SwissStandard

9 players participated in this 6-round tournament, held from 30 Oct 2025 to 27 Nov 2025 in Straume, Norway. Top 10 Elo average was 1482, and top seed was Siver Flaten (🇳🇴 NOR, 1857).

Martin Orvedal (🇳🇴 NOR, 1685) won with 2.5/6, ahead of Jarle Sivertsen (1.5) and Marko Erdevicki (1.0). Orvedal shared the lead from round 4 and won solo starting round 5.

The biggest upset came in round 4: Marko Erdevicki (1615) beat Eirik Maartmann-Moe (1720), a +105-point gap.

Location
🇳🇴Straume, Norway
Dates
30 Oct 2025 → 27 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇳🇴Siver Flaten1857
Avg top 10
1,482
Participants
9
Federations · 1 represented
🇳🇴Norway×9
Top 3

How it unfolded

Top 6 · 6 rounds

Martin Orvedal led from R5; +1.0-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R5.

Co-leaders
15
10
10
4
1
1
1.534.56R1R2R3R4R5R6
R5–R6 · LEAD HELD

Martin Orvedal never relinquished the lead after R5; final gap +1.0 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Martin Orvedal drew with Jarle Sivertsen (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Martin Orvedal*
½
2Jarle Sivertsen
½
*
3Eirik Maartmann-Moe*
4Ronny Hjelland*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Orvedal, Martin1685NORFFF+9N+3N=2B2.52.52.51.751954+20.6
2Sivertsen, Jarle1845NORFFF+5BF=1N1.53.53.52.251957+5.6
3Erdevicki, Marko1615NORFFF+4N1B1.03.53.51.001696+3.4
4Maartmann-Moe, Eirik1720NORFFF3B+7N1.01.51.50.501546-8.8
5Flaten, Siver1857NORFFF2NF+9B1.01.51.50.001705-14.4
6Hjelland, Ronny0NORFFF+?N1.00.00.00.0014420.0
7Singdahlsen, Joakim Merkesdal1447NORFFF=8B4B0.51.51.50.251471+0.8
8Instanes, Bjorn1608NORFFF=7N0.50.50.50.251459-4.0
9Cziboly, Mihaly1560NORFFF1BF5N0.03.53.50.00964-20.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets