CChessStats

Indre Ostfold Hostturneringa 2025

Open SwissStandard

28 players participated in this 9-round tournament, held from 18 Nov 2025 to 16 Dec 2025 in Askim, Norway. 2 federations represented. Top 10 Elo average was 1808, and top seed was Eldin David (🇳🇴 NOR, 2066).

Jan Sorgjerd (🇳🇴 NOR, 1956) won with 8.0/9, ahead of Dag Andersen (6.5) and Eldin David (5.5). Sorgjerd won solo starting round 6.

The biggest upset came in round 9: Eivind Dahl (1503) beat Sigmund Lunde (1842), a +339-point gap.

Location
🇳🇴Askim, Norway
Dates
18 Nov 2025 → 16 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Top seed
🇳🇴Eldin David2066
Avg top 10
1,808
Participants
28
Federations · 2 represented
🇳🇴Norway×17
Kosovo×1
Top 3

How it unfolded

Top 6 · 9 rounds

Jan Sorgjerd led from R3; +1.5-point edge over the runner-up.

Co-leaders
8
3
1
1
2
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9
R3–R9 · LEAD HELD

Jan Sorgjerd never relinquished the lead after R3; final gap +1.5 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Jan Sorgjerd beat Dag Andersen (White).

2× WIN STREAK · 3+4 wins

Jan Sorgjerd posted 3 in a row (R1–R3) and 4 in a row (R6–R9) — total 7 wins.

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Jan Sorgjerd*
1
½
½
2Dag Andersen
0
*
½
½
3Eldin David
½
½
*
½
4Silas David
½
½
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Sorgjerd, Jan1956NOR+14B+19N+2B=4N=3B+5N+10N+6B+9N8.038.540.535.002051+16.6
2Andersen, Dag1778NOR+8N+9B1N=7B+6N=3B+5N=4B+13N6.541.044.529.001848+26.4
3David, Eldin2066NOR=7N+11B=17N+9B=1N=2N=4B+5BF5.539.539.526.251861-17.4
4David, Silas1693NOR+20B=5N+21N=1B=7N+14B=3N=2N6B5.539.041.021.501751+10.8
5Kaatorp, Lars Joachim1641NOR+27N=4B=7N+15B+10N1B2B3N+8N5.040.540.515.751676+9.2
6Andersen, Odd1829NOR11N+26B+8NF2B+19N+21B1N+4N5.032.032.013.501677-13.6
7Bjontegaard, Tobias1558NOR=3B+23N=5B=2N=4B11N=8B=14NF4.034.534.515.751609+2.8
8Martinsen, Bendik1408NOR2B+12N6B+16N14N=15B=7N+22N5B4.033.035.012.001367-5.6
9Edvardsen, Lars1635NOR+12B2N+16B3NFF+22B+11N1B4.032.532.512.501613-3.0
10Dahl, Eivind1503NOR17NF+20B+19N5B+21N1B13N+18B4.027.527.58.501725+43.6
11Aamodt, Audun1551NOR+6B3N15B+24N+22N+7BF9BF4.024.524.512.001620+5.2
12Kaatorp, Mathias0NOR9N8B+26N21B+16B13N+24B20N+23B4.020.020.04.507090.0
13Marquard, Mickey Harald0NORFFFF+20N+12B=14N+10B2B3.519.519.511.5016160.0
14Undrum, Christoffer1622NOR1NF+23BF+8B4N=13B=7B3.026.026.08.751578-10.0
15Fremmegard, Jens Tore1511NORF=18B+11N5N19B=8NFF+25B3.018.518.58.251551+2.0
16FIDE 5560002780F17B9N8B12N24B+25N+?B=?N2.516.516.51.008590.0
17Rukovci, Shemsi1940KOS+10B+16N=3BFF2.512.012.09.251964+2.4
18Lunde, Sigmund1842NORF=15N+28BFFF+19BF10N2.59.09.03.501581-18.0
19Dikic, Milan1700NOR+26N1BF10B+15N6B18NF2.022.522.53.001480-55.6
20FIDE 55600026004NF10N22B13BF+26N+12BF2.019.019.04.008160.0
21FIDE 5560039940F+?N4B+12NF10B6N2.018.518.54.008680.0
22FIDE 5560040280FFF+20N11B+?B9N8B2.014.014.02.007260.0
23FIDE 5560004050F7B14NF?N+26BFF12N1.011.011.00.007980.0
24FIDE 5560040010FFF11B?B+16N12N1.010.510.52.507590.0
25FIDE 15551540FFFFFF16B+26B15N1.05.55.50.007240.0
26FIDE 556000294019B6N12BFF23N20B25N?N0.015.015.00.009390.0
27FIDE 55600401005BFFF0.05.05.00.008200.0
28FIDE 5560039860FF18N0.02.52.50.0010310.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets