CChessStats

Tonsberg Grand Prix TOUR A

SwissStandard

30 players participated in this 6-round tournament, held from 07 Nov 2025 to 09 Nov 2025 in Tonsberg, Norway. 8 titled players from 2 federations. Top 10 Elo average was 2223, and top seed was Havard Haug (🇳🇴 NOR, FM, 2396).

Eirik Strom Austad (🇳🇴 NOR, 2117) won with 4.0/6, ahead of Havard Haug (3.0) and Louis Khoo-Thwe (3.0). Austad shared the lead from round 4 and broke clear in the final round.

The biggest upset came in round 6: Terje Kevin G Lysen (1804) beat Eirik Aarnes (1967), a +163-point gap.

Location
🇳🇴Tonsberg, Norway
Dates
07 Nov 2025 → 09 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇳🇴FMHavard Haug2396
Avg top 10
2,223
Participants
30
Titled players · 8
FM×5
CM×3
Federations · 2 represented
🇳🇴Norway×29
🇰🇪Kenya×1
Top 3

How it unfolded

Top 6 · 6 rounds

Eirik Strom Austad led from R6; +1.0-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders
30
30
10
3
2
1
1.534.56R1R2R3R4R5R6
R6–R6 · LEAD HELD

Eirik Strom Austad never relinquished the lead after R6; final gap +1.0 over the runner-up.

R3–R6 · WIN STREAK

Eirik Strom Austad won 4 in a row (R3–R6).

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Austad, Eirik Strom2117NORFF+19N+18N+16B+14B4.06.56.56.502728+40.8
2Haug, HavardFM2396NORFF+25N=13B=4N+3N3.09.09.06.502457+6.0
3Khoo-Thwe, LouisFM2225NORFF+5N+25B+13N2B3.09.09.06.002430+42.8
4Grave, Jacob TemplenFM2371NORFF+20B+28N=2B=13N3.07.57.55.002368+2.0
5Brodtkorb, Lars Johan2092NORFF3B+27B+24N+8N3.07.57.54.502263+17.8
6Gandrud, Vegar KoiFM2299NORFF=27N+23B=14N+24B3.05.05.03.502135-9.0
7Dale, Marius Hag2015NORFF+29B=11N=23N+26B3.05.05.03.252056+16.8
8Hetland, Even2040NORFF=23N+10B+9N5B2.59.09.05.502042+2.0
9Oluka Robert McligeyoCM2100KENFF+18B=16N8B+20N2.57.07.03.752047-5.6
10Lysen, Terje Kevin G1804NORFF=17N8N+19B+16B2.57.07.03.752089+59.6
11Mortensen, Michael1868NORFF28N=7B+26N+17B2.56.56.54.002106+50.4
12Torfoss, Sivert SchancheCM2162NORFF=21N+30B15N+23B2.55.05.02.251985-31.2
13Skotheim, AndreasCM2228NORFF+24B=2N3B=4B2.010.010.04.002274+3.8
14Olsen, William Fegth1887NORFF=26N+17B=6B1N2.09.59.53.502090+38.8
15Bjornstad, Hallvard Foss2043NORFF+30B24N+12B25N2.05.05.03.002080+14.0
16Aarnes, Eirik1967NORFF+22B=9B1N10N1.510.510.52.751852-12.6
17Haugen, Lars Tormod2001NORFF=10B14N+22B11N1.58.58.52.751736-28.6
18Nilsen, Jarle1898NORFF9N1B=21N+30B1.58.58.51.251905-0.4
19Hansen, Rune1962NORFF1B+29N10N=21B1.58.58.51.251828-15.0
20Terpugov, Sergii1902NORFF4N+21B=27N9B1.58.08.02.001972+8.8
21Smedsrud, Petter1901NORFF=12B20N=18B=19N1.57.07.02.751894-8.0
22Nguyen, Tyson Quang Hy1724NORFF16N=26B17N+29B1.54.54.51.001854+20.4
23Yilmaz, Kazim1812NORFF=8B6N=7B12N1.011.011.02.751900+7.0
24Amundsen, Ask2104NORFF13N+15B5B6N1.010.010.02.001960-14.8
25Myagmarsuren, EvsuldFM2224NORFF2B3NF+15B1.09.09.02.002087-10.8
26Roverud, Thor1980NORFF=14B=22N11B7N1.09.09.01.751674-30.6
27Arulmaran, Abishan1911NORFF=6B5N=20B1.07.57.52.251963+2.6
28Kierulf, Villum Brevick2066NORFF+11B4BF1.06.56.52.502120+1.6
29Scheibe, Ulrich1822NORFF7N19B=30N22N0.56.56.50.251554-24.2
30Kopperud, Vidar Aleksander1828NORFF15N12N=29B18N0.56.56.50.251652-16.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets