CChessStats

Summer in Hell GP 2025

Open SwissStandard

34 players participated in this 7-round tournament, held from 08 Aug 2025 to 10 Aug 2025 in Trondheim, Norway. 1 titled players from 4 federations. Top 10 Elo average was 1978, and top seed was Marina Gajcin (🇷🇸 SRB, WGM, 2226).

Hakon Odegard (🇳🇴 NOR, 1835) won with 4.5/7, ahead of Gard Rye Hoyforsslett (4.0) and Olav Bjorkan (4.0). Odegard shared the lead from round 5 and won solo starting round 6.

The biggest upset came in round 6: Eyolf Ilebekk Schelver (1744) beat Robert Aas (1967), a +223-point gap.

Location
🇳🇴Trondheim, Norway
Dates
08 Aug 2025 → 10 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇷🇸WGMMarina Gajcin2226
Avg top 10
1,978
Participants
34
Titled players · 1
WGM×1
Federations · 4 represented
🇳🇴Norway×29
🇵🇱Poland×1
🇬🇧England×1
🇷🇸Serbia×1
Top 3

How it unfolded

Top 6 · 7 rounds

Hakon Odegard led from R6; +0.5-point edge over the runner-up. Title race converged from 8 co-leaders at R4 to 1 by R6.

Co-leaders
34
34
14
8
2
1
1
23.55.57R1R2R3R4R5R6R7
R6–R7 · LEAD HELD

Hakon Odegard held the sole lead from R6 through R7 without losing it.

WIN STREAKS · 2 top finishers

Hakon Odegard 4 wins (R3–R6)Kjell Naessvold 3 wins (R5–R7)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Hakon Odegard*
½
2Kjell Naessvold*
0
3Gard Rye Hoyforsslett
1
*
0
4Olav Bjorkan
½
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Odegard, Hakon1835NORFF+15B+17N+18B+14N=3B4.513.013.011.002180+74.8
2Hoyforsslett, Gard Rye2001NORFF+14B+5N3B+6N+17N4.016.016.012.002143+17.2
3Bjorkan, Olav2040NORFF+17N+19B+2N=11B=1N4.015.515.511.752195+39.2
4Hunn, David1821ENGFF+23B+8N=6B+18N=11N4.013.513.510.252023+24.8
5Naessvold, Kjell1980NORFF+21N2B+15N+28B+8N4.013.013.09.001938-0.8
6Andersen, Martin K1844NORFF+20B+28B=4N2B+29N3.513.013.07.001897+5.4
7Noer, Andreas1723NORFF24N+31B+25N=26B+28N3.58.58.55.501786+5.4
8Suyash, Vinod Bhirud1618NORFF+31N4B+24N+22B5B3.013.013.05.001684+11.2
9Nass, Kristine Sandstad1657NORFF+13B20N+23B=10B=16N3.012.512.57.751691+3.0
10Holsdal, Kristoffer1670NORFF=22B14N+20B=9N+12B3.012.512.57.5016710.0
11Gajcin, MarinaWGM2226SRBFFF+29N+19B=3N=4B3.011.511.57.502108-8.0
12Harper, Marius Kittilsen1448NORFF+34N+27B28N+25B10N3.08.58.54.00888-16.0
13Reissmann, Nico0NORFF9N+32B+30N15B+31N3.08.58.53.0014320.0
14Reinertsen, Edvard1908NORFF2N+10B+29N1B=26N2.515.015.05.501868-10.4
15Nord, Lars Olof1588NORFF1N+30B5B+13N=22N2.514.514.55.001108-5.4
16Braten, Brage1581NORFF+30N+22B26N29B=9B2.59.59.54.501499-7.0
17Schelver, Eyolf Ilebekk1744NORFF3B1B+21N+19N2B2.016.516.54.001814+14.4
18Andersen, Edvard1789NORFF19N+24B1N4B+21N2.014.514.54.001671-15.4
19Aas, Robert1967NORFF+18B3N11N17B+24N2.013.013.04.001801-20.2
20Fredlund, Jens Kristian0NORFF6N+9B10N21B+30N2.012.512.54.0014960.0
21Myran, Adrian1588NORFF5B+23N17B+20N18B2.012.012.04.001547-12.0
22Kowalewski, Miroslaw0POLFF=10N16N+31B8N=15B2.012.012.03.7515030.0
23Oye-Stromberg, Alva1450NORFF4N21B9N+33B+25N2.012.012.03.00888-25.6
24Nord, Aleksander Milan1507NORFF+7B18N8B+32N19B2.011.511.54.501564+7.6
25Reissmann, Daniel0NORFF+32B+33N7B12N23B2.010.510.52.007400.0
26David, Edwin2154NORFFFF+16B=7N=14B2.08.58.55.501931-12.8
27Fredlund, Per Kristen0NORFF+33B12NF30B+32B2.06.06.02.006480.0
28Suyog, Vinod Bhirud1707NORFF=29B6N+12B5N7B1.515.515.53.751586-32.8
29Dybvik, Bjorn Noralf1680NORFF=28N11B14B+16N6B1.513.013.03.251675-3.2
30Wigum, Amelie Marie0NORFF16B15N13B+27N20B1.012.012.02.007840.0
31Myrene, Magnus Humberset1429NORFF8B7N22N+34B13B1.011.511.50.00868-16.4
32Xu, Sophia Zixuan0NORFF25N13N+33B24B27N1.010.010.01.007050.0
33FIDE 15965350FF27N25B32N23N+34B1.07.07.00.006480.0
34FIDE 15971080FF12BFF31N33N0.05.05.00.006390.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets