CChessStats

Icelandic Open - Icelandic Chess Championship 2025

SwissStandard

44 players participated in this 9-round tournament, held from 15 Jun 2025 to 21 Jun 2025 in Blonduos, Iceland. 20 titled players from 6 federations. Top 10 Elo average was 2416, and top seed was Ivan Sokolov (🇳🇱 NED, GM, 2590).

Vignir Vatnar Stefansson (🇮🇸 ISL, GM, 2515) won with 7.0/9, ahead of Aleksandr Domalchuk-Jonasson (6.5) and Hannes Stefansson (6.5). Stefansson clinched sole first place in the final round.

The biggest upset came in round 7: Josef Omarsson (2030) beat Bjorn Thorfinnsson (IM, 2367), a +337-point gap.

Location
🇮🇸Blonduos, Iceland
Dates
15 Jun 2025 → 21 Jun 2025
Time control
Standard: 90 minutes for first 40 moves and 15 min. for the rest of the game with 30 sec. increment from move 1
System
Swiss · 9 rounds
Top seed
🇳🇱GMIvan Sokolov2590
Avg top 10
2,416
Participants
44
Titled players · 20
GM×6
IM×4
FM×5
CM×2
WGM×1
WCM×2
Federations · 6 represented
🇮🇸Iceland×38
🇩🇪Germany×2
🇲🇩Moldova×1
🇳🇱Netherlands×1
🇺🇸United States of America×1
🇧🇬Bulgaria×1
Top 3

How it unfolded

Top 6 · 9 rounds

GM Vignir Vatnar Stefansson led from R9; +0.5-point edge over the runner-up.

Co-leaders
18
8
4
1
1
2
4
1
1
2.54.579R1R2R3R4R5R6R7R8R9Domalchuk-Jonasson takes leadStefansson takes lead
Stefansson7Domalchuk-Jonasson6.5Thorfinnsson6.5Schitco6.5Stefansson6.5Sokolov6
R8 · LEADER CHANGE20 Jun

IM Aleksandr Domalchuk-Jonasson takes the sole lead (6.5/8).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

GM Vignir Vatnar Stefansson drew with IM Aleksandr Domalchuk-Jonasson (Black).

WIN STREAKS · 3 top finishers

GM Vignir Vatnar Stefansson 3 wins (R1–R3)IM Aleksandr Domalchuk-Jonasson 3 wins (R1–R3)GM Bragi Thorfinnsson 3 wins (R6–R8)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1GMVignir Vatnar Stefansson*
½
—
½
2IMAleksandr Domalchuk-Jonasson
½
*
1
1
3GMBragi Thorfinnsson—
0
*
½
4GMIvan Schitco
½
0
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Stefansson, Vignir VatnarGM2515ISL+24B+20N+7B=13N=3B=2N+6B=4B+12N7.046.050.037.752527+3.0
2Domalchuk-Jonasson, AleksandrIM2350ISL+33B+12N+4B−3N+5B=1B+13N+7B−8N6.548.552.036.002507+20.0
3Stefansson, HannesGM2424ISL+23N+14B+10N+2B=1N=6B=4N−8B+13N6.547.551.535.752514+12.3
4Schitco, IvanGM2483MDA+9N+15B−2N+18B+13B+12N=3B=1N=5B6.547.052.035.502434-2.3
5Thorfinnsson, BragiGM2354ISL+21N=11B=8N+9B−2N+14B+12N+10B=4N6.545.550.034.502400+7.5
6Kjartansson, GudmundurGM2437ISL=27B+42N+11B=8N+7B=3N−1N=9B+18N6.045.546.528.502367-3.5
7Heimisson, Hilmir FreyrIM2349ISL+19N+22B−1N+21B−6N+25B+24B−2N+20B6.042.046.026.502301-2.2
8Sokolov, IvanGM2590NED+25NF=5B=6BF+17N+20B+3N+2B6.039.039.032.752615+2.3
9Omarsson, Josef2030ISL−4B+37N+30B−5N+15N=10B+16N=6N=11B5.544.046.024.502282+96.0
10Bjornsson, SigurbjornFM2291ISL+26B+17N−3B−12N+11B=9N+29B−5N+24B5.542.046.025.252186-9.2
11Birkisson, Bjorn HolmCM2128ISL+35B=5N−6N+23B−10N+28B+31N=13B=9N5.540.042.522.502234+22.0
12Omarsson, AdamCM2123ISL+40N−2B+34N+10B+16N−4B−5B+15N−1B5.045.047.020.502316+61.2
13Birkisson, Bardur OrnFM2280ISL+29N+43B+16N=1B−4N+31B−2B=11N−3B5.044.545.019.252287+3.4
14Ptacnikova, LenkaWGM2158ISL+36B−3N−28B+30N+26B−5N+32B=24N=17B5.037.540.018.502060-18.4
15Thorhallsson, SimonFM2202ISL+37B−4N=27B=22N−9B+30N+25B−12B+23N5.037.539.518.252074-25.8
16Thorfinnsson, BjornIM2367ISL+28B+31N−13B+17N−12B−24N−9B+26N+27B5.036.540.020.502115-25.3
17Thorisson, Benedikt2069ISL+39N−10B+43N−16B+21N−8B=23N+28B=14N5.036.036.515.502124+5.8
18Skarphedinsson, Ingvar Wu2063ISL=34B=24N+33B−4N+37B−20N+26B+31N−6B5.035.037.016.502131+26.0
19Van Meter, LesterFM1847USA−7B−30N=26B+44N−23N+35B=34N+36B+32N5.029.529.512.001892+10.0
20Peycheva, GerganaFM2200BUL+38N−1B=41N+32B=25N+18B−8N=22B−7N4.538.040.015.752165-9.2
21Ragnarsson, Johann1947ISL−5B+35N+42B−7N−17B+37N=27B−29N+31B4.533.534.511.001954-1.4
22Karason, Askell OIM2099ISL+30B−7NF=15B=32NF+41B=20N+29B4.529.029.016.502147+9.2
23Petursson, Gudni2003ISL−3B+36N=31B−11N+19B=32N=17B=25N−15B4.038.040.515.502009+1.8
24Barthel, Ansgar2042GER−1N=18B+40BF+35N+16B−7N=14B−10N4.038.038.014.502153+13.0
25Oskarsson, Markus Orri2047ISL−8B=26N+44B+27N=20B−7N−15N=23B=41N4.035.535.511.252034-7.6
26Hermannsson, Sigurbjorn1840ISL−10N=25B=19N+34B−14N+40B−18N−16B+39N4.034.536.511.501825-8.4
27Briem, Gudrun FanneyWCM2004ISL=6N=32B=15N−25B−29N+43B=21N+38B−16N4.034.034.512.001957-25.2
28Dietzsch, Herbert1982GER−16N+29B+14NF−31B−11N+37B−17N+33B4.033.533.514.502027+8.2
29Ragnarsson, Heimir Pall1769ISL−13B−28N+36B+39N+27BF−10N+21B−22N4.032.032.013.001926+23.0
30Bjornsson, Bjorn0ISL−22N+19B−9N−14B+42N−15B−36N+44B+38N4.030.530.58.0017620.0
31Bergsson, Stefan2151ISL+44N−16B=23N+41B+28N−13N−11B−18B−21N3.535.035.08.001978-40.0
32Gudmundsson, Gunnar Erik2015ISLF=27N+39B−20N=22B=23B−14N+34N−19B3.532.032.011.251859-48.4
33Arnljotsson, Jon1858ISL−2N+38B−18N−35B=43N−34B+44N+42B−28N3.524.524.53.251800-6.6
34Ingvarsson, Thorleifur0ISL=18NF−12B−26NF+33N=19B−32B+42N3.027.027.09.5018520.0
35Arnason, Unnar0ISL−11N−21BF+33N−24B−19N−38B=40N+37B2.528.528.56.5016990.0
36Erlendsson Weinert, Robin Peter1461ISL−14N−23B−29NF+39B−41N+30B−19N=40B2.528.028.07.001040-18.8
37Bjarnason, Larus H1713ISL−15N−9B+38N+43B−18N−21B−28N−39B−35N2.030.531.02.501660-10.2
38Arnarson, Erlingur1464ISL−20B−33N−37B−40NF+44B+35N−27N−30B2.022.522.52.501501-0.2
39Finnsson, Johann Orn0ISL−17BF−32N−29B−36N−42B+43N+37N−26B2.022.522.52.5014680.0
40Asgrimsson, Olafur Sigurbj0ISL−12BF−24N+38BF−26NF=35B=36N2.020.020.04.5016360.0
41Johannsdottir, Johanna BjorgWCM2003ISLFF=20B−31NF+36B−22NF=25B2.019.019.06.751948-5.6
42Akason, Aevar1574ISLF−6B−21NF−30B+39NF−33N−34B1.023.023.02.001127-6.8
43Shestak, Darko0ISLF−13N−17B−37N=33B−27N−39BFF0.521.521.51.7516190.0
44Kristbergsson, Bjorgvin1418ISL−31BF−25N−19BF−38N−33B−30NF0.022.022.00.00939-14.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets